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The Intel Core Ultra X7 358H Processor is a Q1 2026 Intel Core Ultra Series 3 OEM chip, not a user-replaceable boxed CPU. It has 16 cores and 16 threads, 4.8 GHz P-core turbo, Arc B390 graphics with up to 122 INT8 TOPS, a 50-TOPS NPU, and support for up to 96 GB LPDDR5X-9600.
Intel positions the X7 358H for selected client and embedded uses, with Series 3 also suitable for select desktop form factors such as all-in-one systems. The processor’s FCBGA20X tray package means buyers normally encounter the X7 358H inside a finished laptop or all-in-one, not as a conventional retail CPU.
The key buying question is therefore not whether the chip’s specification sheet looks fast in isolation. Cooling, firmware, memory configuration, power limits, display design, drivers, and the software’s use of the Arc GPU or NPU determine how much of the platform’s potential a particular system can deliver.
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- The Intel Core Ultra X7 358H is a 16-core, 16-thread Core Ultra Series 3 processor with four P-cores, eight E-cores, and four low-power E-cores.
- The processor reaches up to 4.8 GHz on its P-cores and uses 25 W processor base power, while maximum turbo power is listed as 65 W or 80 W depending on system configuration.
- Intel Arc B390 integrated graphics provide 12 Xe cores, a 2.5 GHz maximum graphics frequency, and up to 122 INT8 TOPS, while the Intel AI Boost NPU provides up to 50 TOPS.
- The platform supports up to 96 GB of LPDDR5X-9600 memory across two channels, but the memory is platform-dependent rather than a freely replaceable upgrade.
- The X7 358H is an FCBGA20X tray part for OEM systems, so buyers should choose a complete laptop or all-in-one rather than look for a conventional boxed desktop CPU.
What is the Intel Core Ultra X7 358H Processor?
The Intel Core Ultra X7 358H Processor is a Q1 2026 Intel Core Ultra Series 3 OEM chip, not a user-replaceable boxed CPU. It has 16 cores and 16 threads, 4.8 GHz P-core turbo, Arc B390 graphics with up to 122 INT8 TOPS, a 50-TOPS NPU, and support for up to 96 GB LPDDR5X-9600.
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Intel lists the Core Ultra X7 358H for selected client and embedded uses, and Intel says Series 3 processors can also be used in select desktop form factors. In practical terms, the X7 358H is a system component for laptops, all-in-one PCs, and other OEM-designed platforms rather than a processor that consumers normally install themselves. Intel’s official X7 358H specifications list the processor’s core, graphics, memory, power, and platform capabilities.
The strongest reason to pay attention to the X7 358H is the combination of a high-performance hybrid CPU design, Arc B390 integrated graphics, and a dedicated NPU. The combination can make a suitably configured laptop or all-in-one capable of local graphics and AI workloads without requiring a discrete GPU, but the final experience will vary with cooling, firmware, memory configuration, and power limits.
What are the Intel Core Ultra X7 358H specifications?
According to Intel’s Q1 2026 product listing and Series 3 reference documentation, the X7 358H combines 16 cores, 16 threads, an 18 MB Intel Smart Cache, a 4.8 GHz maximum P-core turbo frequency, Arc B390 graphics, and a 50-TOPS NPU. The following table collects the principal documented specifications. Intel’s Core Ultra Series 3 Quick Reference Guide provides the corresponding platform details.
| Specification | Intel Core Ultra X7 358H |
|---|---|
| Product family | Intel Core Ultra Series 3 |
| Total cores / threads | 16 cores / 16 threads |
| Core arrangement | 4 P-cores + 8 E-cores + 4 LP E-cores |
| Maximum P-core turbo | 4.8 GHz |
| Maximum E-core frequency | 3.5 GHz |
| Maximum LP E-core frequency | 3.3 GHz |
| Intel Smart Cache | 18 MB |
| Integrated GPU | Intel Arc B390 GPU |
| Xe cores | 12 |
| Maximum graphics frequency | 2.5 GHz |
| GPU peak AI throughput | Up to 122 INT8 TOPS |
| NPU | Intel AI Boost, up to 50 TOPS |
| Maximum memory | 96 GB LPDDR5X |
| Maximum memory speed | LPDDR5X-9600 MT/s |
| Memory channels | Two |
| Processor base power | 25 W |
| Maximum turbo power | 65 W or 80 W, depending on system configuration |
| Package / sale form | FCBGA20X, tray |
| Intel-listed launch status | Launched; Q1 2026 launch date |
The 65 W and 80 W maximum turbo figures are configuration limits, not a promise that every X7 358H system will sustain either power level indefinitely. Laptop cooling, firmware, battery policy, charger capacity, and the manufacturer’s performance modes determine how long a particular system can operate near its power limits.
How is the X7 358H CPU layout different from a conventional 16-core processor?
The X7 358H uses three core types: four performance cores for demanding foreground work, eight efficiency cores for additional general-purpose throughput, and four low-power efficiency cores for lower-power background or light workloads. Intel lists 16 total cores and 16 total threads, so the core count should not be interpreted as a conventional desktop design with 16 identical high-performance cores.
The 4.8 GHz figure applies to the maximum P-core turbo frequency. Intel lists maximum frequencies of 3.5 GHz for the regular E-cores and 3.3 GHz for the LP E-cores. Actual frequencies depend on workload, temperature, active cores, firmware, and the power profile selected by the system manufacturer.
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What graphics and AI hardware does the X7 358H include?
The X7 358H includes Intel Arc B390 integrated graphics with 12 Xe cores, a 2.5 GHz maximum graphics frequency, and up to 122 INT8 TOPS of peak AI throughput. The processor also includes an Intel AI Boost NPU rated at up to 50 TOPS. Intel’s specification page for the X7 358H identifies both the Arc B390 GPU and the NPU capabilities.
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Arc B390 is important because the X7 358H is not simply a CPU with a basic display adapter. In a suitably designed system, the integrated GPU can drive displays, accelerate supported video workloads, handle graphics applications, and run some local AI tasks without a discrete graphics card. The NPU can handle supported AI operations more efficiently than using the CPU for every task, while the GPU offers much higher peak throughput for some parallel workloads.
| Graphics or display capability | Documented X7 358H support |
|---|---|
| Integrated graphics | Intel Arc B390 GPU |
| Xe cores | 12 |
| Maximum graphics frequency | 2.5 GHz |
| GPU AI throughput | Up to 122 INT8 TOPS |
| NPU AI throughput | Up to 50 TOPS |
| Video acceleration | H.264 and H.265 encode/decode |
| Graphics APIs | DirectX 12 Ultimate, OpenGL 4.6, and OpenCL 3.0 |
| Display interfaces | DisplayPort 2.1 UHBR20, HDMI 2.1 FRL, and eDP 1.5 |
Does 122 TOPS mean the X7 358H will be faster in every AI application?
No. The 122 INT8 TOPS GPU figure and 50 TOPS NPU figure are peak-throughput specifications, not universal application-performance ratings. Results depend on the numerical precision used by the application, software and driver support, memory bandwidth, thermal limits, workload size, and whether the application uses the CPU, Arc GPU, or NPU.
TOPS is particularly poor as a standalone purchasing metric when two systems use different software stacks or run different model types. A laptop with the same X7 358H processor can produce different AI results if one system has slower memory, more restrictive cooling, different firmware, or applications that do not use the NPU effectively.
What AI performance results has Intel published for the X7 358H?
Intel’s Series 3 Performance Index reports workload-specific comparisons using an HP OmniBook X Laptop 16 configured with the X7 358H, 32 GB of LPDDR5 memory, a 1 TB-class SK hynix SSD, Ubuntu 24.04.4 LTS, and Intel software components. Intel compares selected workloads with an NVIDIA Jetson Orin AGX reference system. Intel’s Core Ultra Series 3 Performance Index reports the following results:
| Workload | Intel-reported result | Important qualification |
|---|---|---|
| Robotics VLA performance | 1.5× faster | Result applies to Intel’s specified robotics VLA comparison. |
| Video analytics | Up to 2.2× higher performance per dollar | Result applies to a specified video-analytics workload and cost comparison. |
| Image classification | Up to 2.5× higher performance | Result applies to a specified MobileNet test. |
| 8B-parameter LLM | Up to 1.7× lower latency | Result applies to Intel’s specified 8B-parameter LLM test. |
These are Intel-published, workload-specific system comparisons rather than independent general-purpose benchmark results. The results should not be converted into a universal claim that every X7 358H laptop is faster than every NVIDIA Jetson Orin AGX system, CPU, GPU, or AI laptop.
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How much power does the Intel Core Ultra X7 358H use?
Intel lists 25 W processor base power and maximum turbo power of either 65 W or 80 W, depending on the system configuration. The X7 358H therefore gives OEMs meaningful room to tune the same processor for different laptop and all-in-one designs.
A 25 W base-power specification does not equal a guaranteed battery-life result, and an 80 W maximum turbo-power value does not equal guaranteed sustained performance. A larger chassis with stronger cooling may maintain higher performance for longer than a thin chassis using a quieter or more restrictive profile. No independent long-duration thermal, battery-life, or performance test is included in the supplied research.
What memory and connectivity does the X7 358H platform support?
According to Intel’s Series 3 reference guide, the X7 358H platform supports up to 96 GB of LPDDR5X memory at up to 9600 MT/s across two memory channels. LPDDR5X is generally integrated into the motherboard or otherwise fixed by the platform design, so the 96 GB maximum is a platform capability and not an assurance that every laptop can be upgraded to 96 GB.
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Intel’s Series 3 reference material lists four integrated Thunderbolt 4 ports for the 358H platform and support for discrete Thunderbolt 5 technology. The platform specification does not mean every finished laptop will expose four physical Thunderbolt connectors. OEMs can choose a different port selection, wiring arrangement, display configuration, or optional controller implementation.
How does the X7 358H compare with the X7 368H and X9 388H?
Within Intel’s X-branded high-performance mobile group, the X7 358H sits below the X7 368H and X9 388H in maximum P-core turbo frequency. Intel’s Series 3 reference materials show the three processors sharing the 16-core design, 18 MB cache, Arc B390 graphics, 12 Xe cores, and up to 122 INT8 TOPS of graphics AI throughput, while the higher models offer higher maximum P-core frequencies.
| Processor | Maximum P-core turbo | Core arrangement | Cache and integrated graphics |
|---|---|---|---|
| Core Ultra X7 358H | 4.8 GHz | 16 cores: 4 P-cores + 8 E-cores + 4 LP E-cores | 18 MB cache; Arc B390, 12 Xe cores, up to 122 INT8 TOPS |
| Core Ultra X7 368H | 5.0 GHz | 16 cores: 4 P-cores + 8 E-cores + 4 LP E-cores | 18 MB cache; Arc B390, 12 Xe cores, up to 122 INT8 TOPS |
| Core Ultra X9 388H | 5.1 GHz | 16 cores: 4 P-cores + 8 E-cores + 4 LP E-cores | 18 MB cache; Arc B390, 12 Xe cores, up to 122 INT8 TOPS |
The X7 358H and X7 368H are both listed with support for up to 96 GB of LPDDR5X-9600 in the Series 3 reference material. The small frequency differences do not establish a universal real-world performance gap because system cooling, memory configuration, and power limits can be just as important as the processor’s maximum turbo rating.
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Intel also cautions that processor numbers distinguish features within a processor family and should not be treated as a direct performance ranking across different processor families. Comparing the X7 358H with an ordinary Core Ultra 7 model solely because both names contain “7” can therefore produce a misleading conclusion. Intel’s Core Ultra Series 3 product brief is the appropriate reference for the documented Series 3 positioning.
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Which laptops and all-in-one systems use the X7 358H?
The X7 358H is available through complete OEM systems, with configurations varying by country and retailer. Documented examples include Dell XPS 14 and Dell 16S systems, HP’s OmniBook 7 14-hg0010ca, Lenovo’s Yoga AIO 32, ThinkPad X9 15p Gen 1 Aura Edition, and IdeaPad Pro 5 14IPH11.
| System | Form factor and geography in the supplied documentation | Documented X7 358H configuration details |
|---|---|---|
| Dell XPS 14, DA14260 | Laptop; Dell US configuration page | Selectable X7 358H, 32 GB LPDDR5X, 1 TB NVMe storage, and an OLED display option |
| Dell 16S, DS16260 | Laptop; Dell US configuration page | Selectable X7 358H with multiple display, memory, and storage combinations |
| HP OmniBook 7 14-hg0010ca | Laptop; HP Canada product page | X7 358H, 32 GB RAM, 1 TB SSD, and Arc B390 graphics |
| Lenovo Yoga AIO 32 | All-in-one PC; Lenovo US listing and product specification reference | X7 358H, 16-core design, 18 MB cache, Arc B390 graphics, and up to 50 NPU TOPS; see the Yoga AIO 32 specification reference |
| Lenovo ThinkPad X9 15p Gen 1 Aura Edition | Laptop; Lenovo product specification reference | X7 358H configuration with 64 GB LPDDR5X, Windows 11, and an 88 Wh battery; see the ThinkPad X9 15p specification reference |
| Lenovo IdeaPad Pro 5 14IPH11 | Laptop; Lenovo product specification reference | X7 358H, Arc B390 graphics, and up to 50 NPU TOPS; see the IdeaPad Pro 5 specification reference |
The documented models demonstrate that the X7 358H can appear in both laptops and an all-in-one, but the models do not have identical performance or upgrade options. Dell and HP configurations can change by market, while Lenovo specification references may describe a family with several regional configurations. Prices, stock, display options, memory amounts, and storage options should be checked for the buyer’s country before purchase.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How should you shop for an X7 358H system?
Shop for the complete system first and treat the X7 358H as one part of the design. Intel’s ordering information lists the processor as an FCBGA20X tray part with two ordering codes, confirming that the X7 358H is intended for OEM or board-level integration rather than normal boxed-CPU retail sales. Intel’s X7 358H ordering information documents the package and ordering form.
For consumer shopping, search for Core Ultra X7 358H laptops rather than a bare “X7 358H processor.” A bare FCBGA listing is not a practical upgrade path for an existing laptop, and a board-level listing may require a compatible motherboard, firmware, cooling solution, memory design, and OEM integration that a normal buyer cannot easily provide.
Readers prioritizing graphics and local AI can also compare laptops and all-in-one PCs with Arc B390 graphics. The Arc B390 label identifies an important part of the platform, but buyers should still confirm the exact CPU model, memory speed, display outputs, cooling profile, and whether the manufacturer has enabled the advertised AI features.
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Buying checklist
- Confirm the exact processor: Check that the system lists Core Ultra X7 358H, not a different Core Ultra Series 3 model or an ordinary Core Ultra 7 processor.
- Check memory capacity and upgradeability: The platform maximum is 96 GB LPDDR5X-9600, but the installed memory may be fixed and the laptop may offer no user-accessible memory slots.
- Inspect the power profile: Compare the manufacturer’s base and performance modes, charger rating, and cooling design instead of assuming that every 358H system can sustain 65 W or 80 W.
- Check graphics configuration: Confirm whether the system uses the integrated Arc B390 alone or includes a discrete GPU, and check the number and type of display outputs.
- Check storage and display options: Documented Dell, HP, and Lenovo systems use different combinations of SSD capacity, OLED or other display types, and chassis sizes.
- Check connectivity: A platform-level Thunderbolt 4 capability does not guarantee four physical Thunderbolt 4 ports on the finished product.
- Check regional availability: Model names, configurations, prices, and stock can differ between the United States, Canada, and other markets.
Which drivers does the X7 358H need?
Intel’s X7 358H downloads page lists an Intel NPU Driver for Windows version 32.0.100.4841 dated August 3, 2026, and Intel Arc Graphics driver version 32.0.101.8864 dated July 20, 2026. Driver versions and dates are volatile, so readers should verify the current entries on Intel’s X7 358H downloads page before installing a package.
A complete X7 358H laptop or all-in-one may also need manufacturer-specific BIOS, graphics, chipset, audio, power-management, and NPU packages. The safest update order is to check the system manufacturer’s support page first and use Intel’s generic downloads as a component-level reference. Generic Intel packages may not include every OEM customization required by a particular system.
Who should consider an X7 358H system?
An X7 358H system makes the most sense for a buyer who wants strong hybrid CPU resources, capable integrated graphics, and local AI hardware in a complete laptop or all-in-one. The Arc B390 GPU may be especially useful when a system needs graphics acceleration or supported AI workloads without a discrete GPU, while the NPU can assist applications that are specifically optimized for local neural processing.
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Verdict
The Intel Core Ultra X7 358H is a distinctive 2026 OEM processor because its Arc B390 graphics and 50-TOPS NPU add meaningful integrated graphics and AI capability to a 16-core mobile platform. The processor is worth considering when the complete system has adequate cooling, fast memory, suitable software support, and a configuration that matches the workload. The processor should not be bought as though it were a standard upgradeable desktop CPU, and Intel’s AI comparisons should be treated as workload-specific vendor claims rather than universal rankings.
The Bottom Line
Bottom line: The Core Ultra X7 358H is best understood as a complete-system platform: 16 hybrid cores, Arc B390 graphics, and a 50-TOPS NPU are compelling on paper, but the laptop or all-in-one’s cooling, memory, firmware, power limits, and software determine the actual result.
