iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
Xbox Series X has the larger published GPU margin, but it is not a guaranteed winner for upscaling or frame rate in every game. Microsoft lists a 12-teraflop, 52-compute-unit custom RDNA 2 GPU for Xbox Series X; Sony lists 10.28 teraflops and 36 compute units for PS5. Both consoles can output 4K at up to 120Hz, support HDMI 2.1 and variable refresh rate (VRR), and rely on game-specific rendering modes. If maximum hardware headroom is your priority, choose Xbox Series X. If image quality or smoothness matters most, compare the exact games and modes you will use rather than assuming one platform always looks or runs better.
The short answer: Xbox has more theoretical headroom, not an automatic visual win
On paper, Xbox Series X is the more powerful graphics machine. Its published specification is 12 teraflops and 52 compute units (CUs) at 1.825 GHz on a custom RDNA 2 GPU. Sony’s published PS5 specification is 10.28 teraflops, 36 CUs and a variable-frequency RDNA 2-based GPU. Those figures give Xbox Series X more theoretical shader and compute capacity.
Teraflops are a useful indicator of potential, not a frame-rate guarantee. A game’s engine, rendering settings, dynamic-resolution algorithm, ray-tracing implementation and developer patch can matter as much as the headline GPU number. One console may render a particular title at a higher internal resolution, while another may hold a steadier frame rate or use a different quality mode. There is no authoritative, controlled cross-platform test establishing a universal upscaling or frame-rate winner across a representative current-game library.
Recommended Free Tools
Both systems advertise a 4K output ceiling and modes of up to 120 frames per second (FPS). “Up to” describes the maximum supported mode; it does not mean every game renders at 4K and 120 FPS. Most demanding titles offer a choice between visual quality and performance, and some use dynamic resolution to keep frame delivery within a target.
Popular on Amazon
- FASTEST, MOST POWERFUL XBOX — Experience next-generation performance with 12 teraflops of processing power, delivering smoother gameplay, richer worlds, and faster responsiveness than any previous XBOX.
- TRUE 4K GAMING UP TO 120 FPS — Enjoy breathtaking visuals with true 4K resolution, HDR, and frame rates up to 120 FPS, plus hardware-accelerated ray tracing for a heightened level of realism.
- 1TB CUSTOM SSD AND XBOX VELOCITY ARCHITECTURE — Reduce load times dramatically with the custom 1TB NVMe SSD and XBOX Velocity Architecture, enabling lightning-fast performance and seamless world streaming.
- QUICK RESUME — Seamlessly switch between multiple games and resume exactly where you left off. No more waiting through title screens and loading bars.
- FOUR GENERATIONS OF GAMES — Play thousands of games from XBOX Series X|S, XBOX One, XBOX 360, and Original XBOX, with many titles enhanced for better visuals and performance on XBOX Series X.
Published graphics specifications compared
| Specification | PlayStation 5 | Xbox Series X | What it means |
|---|---|---|---|
| GPU architecture | Custom AMD Radeon RDNA 2-based GPU | Custom RDNA 2 GPU | Both use a modern RDNA 2 design; implementation and software determine real results. |
| Compute units | 36 CUs | 52 CUs | Xbox has more parallel compute units in the published specification. |
| GPU throughput | 10.28 teraflops | 12 teraflops | Xbox has the higher theoretical compute figure. |
| Advertised gaming output | 4K output, with support for 4K 120Hz video, 8K TVs and VRR | “True 4K” gaming and up to 120 FPS | These are platform ceilings and capabilities, not a promise for every title. |
| High-refresh connection | HDMI 2.1 | HDMI 2.1 | A compatible display and cable are required to use 4K at 120Hz. |
The figures come from Sony’s 2020 PS5 specifications and Xbox Wire’s 2020 Xbox Series X technical specifications. They describe hardware potential under the vendors’ definitions; they are not measurements of average performance in today’s games.
What “upscaling” means on these consoles
Internal resolution versus output resolution
A console can send a 4K signal to a television without rendering every frame internally at native 3840×2160 resolution. Rendering fewer pixels reduces GPU work. The system or game then reconstructs or scales that image to the selected output resolution. A 4K label on the display therefore tells you the signal format, not necessarily the internal resolution used for every frame.
Dynamic resolution protects the frame-rate target
Microsoft describes dynamic resolution scaling as a technique developers use to maintain image quality while protecting frame rate when the hardware is under load. A game may raise its internal resolution in simple scenes and lower it during heavy effects, dense geometry or ray-traced reflections. The output can remain 4K while the internal pixel count changes from moment to moment.
This trade-off is why a game can look sharp in one scene and softer in another without a fault in the console or television. The important question is whether the game sustains its intended performance target and whether the resolution changes are noticeable during play.
Why the base console cannot be named the universal upscaling winner
The available canonical specifications do not identify one system’s upscaler as universally superior. Upscaling and reconstruction are implemented at the game level, and developers can choose different techniques, input resolutions and sharpening settings. A conclusion that Xbox always produces a cleaner image, or that PS5 always reconstructs detail better, would go beyond the evidence. For a specific title, read the developer’s mode description and examine independent testing for that exact patch and console version.
How frame-rate modes actually work
Quality or resolution mode
A quality mode allocates more GPU time to resolution, texture detail, shadows, geometry or ray tracing. It commonly targets 30 FPS in visually demanding games, although the exact target is set by the developer. A 30-FPS target can provide more detail per frame but has greater motion persistence than a 60-FPS target.
Also popular on Amazon
- What's in the box: Xbox Series X console, 1 Xbox Wireless Controller - Carbon Black, Ultra High Speed HDMI cable, Power cord.
- Equipped with AMD's Zen 2 and RDNA 2 architectures, DirectX ray tracing delivers true-to-life lighting, shadows and accurate reflections to create dynamic, living worlds.
- Memory: 16GB GDDR6 w/320 bit-wide bus; Memory Bandwidth: 10 GB @ 560 GB/s, 6 GB @ 336 GB/s; Internal Storage: 1TB Custom NVME SSD
- Gaming Resolution: True 4K; Performance Target: Up to 120 FPS; High Dynamic Range: Up to 8K HDR; Optical Drive: 4K UHD Blu-Ray; HDMI Features: Auto Low Latency Mode, HDMI Variable Refresh Rate, AMD FreeSync.
- Bundled with HDMI_Cable
Performance mode
A performance mode reduces one or more visual costs to increase the frame-rate target, often by lowering internal resolution, reducing ray-tracing effects or simplifying shadows. The result may feel more responsive even when the image is less detailed at close inspection. The mode name is not a standardized specification: check the game’s own description or technical documentation for its target.
120-FPS modes
Some games provide a separate 120-FPS option. Reaching that target requires substantially less rendering time per frame than 60 FPS, so a 120-FPS mode may use a lower internal resolution or reduced effects. “Up to 120 FPS” on a console product page means the hardware and output path can support that refresh rate; it does not promise a 120-FPS option in every game.
Ray tracing and frame rate
Ray tracing adds computationally expensive lighting, reflections or shadows. When a game enables it, the developer may lower resolution, select a 30-FPS target or offer a separate ray-tracing performance mode. Compare modes within the same game rather than comparing a ray-traced mode on one console with a non-ray-traced mode on the other.
4K, 120Hz and VRR: the display requirements
Both consoles can output 4K and support high-refresh operation, but the television or monitor determines what you can actually see. To use a 4K 120Hz mode, you need a display with a 4K panel, a 120Hz input at the required bandwidth and an HDMI 2.1 input. The cable and the selected HDMI input must also support the display’s specified mode.
VRR synchronizes the display’s refresh timing with the console’s changing frame delivery. It can reduce tearing and make fluctuations around a target feel smoother. VRR does not create extra frames and cannot turn a 30-FPS game into a 120-FPS game. A conventional 60Hz display hides the consoles’ 120Hz capability, although it can still show 30- or 60-FPS output.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
- For 4K/120: use a 4K 120Hz HDMI 2.1 display and a certified cable rated for the required bandwidth.
- For VRR: enable VRR in both the display and console menus, then confirm that the game supports it.
- For 60Hz displays: select a 60Hz output mode; a 120-FPS option will not be visible at the panel’s native refresh limit.
How to check the real mode in a game
- Install the current game update. Performance modes and 120Hz support are often delivered through patches, so compare the same version on both consoles.
- Open the game’s graphics menu. Look for labels such as Quality, Resolution, Performance, Frame Rate, 120Hz or Ray Tracing. Record the target and the effects each mode changes.
- Set the console output correctly. On PS5, use the screen and video settings to select resolution, 120Hz output and VRR. On Xbox Series X, open the TV and display options, choose the appropriate resolution and refresh rate, and run the console’s 4K-TV details test.
- Verify the display’s signal information. The television’s information panel should report the active resolution and refresh rate. A 4K 60Hz signal means the display path is not currently operating at 120Hz, regardless of the game’s advertised capability.
- Compare like with like. Use the same graphics mode, field of view, motion-blur setting and VRR state. Comparing quality mode on one system with performance mode on the other produces a mode comparison, not a console comparison.
- Watch for dynamic-resolution behavior. Inspect fast camera movement and heavy scenes, where a game is most likely to lower internal resolution. A brief softness change is consistent with dynamic scaling; persistent softness across all scenes may indicate a display setting or an incorrect output mode.
Which console is better for 4K and 120 FPS?
Neither console guarantees native 4K at 120 FPS across a library. Both support the output path needed for that combination, but each title sets its own internal resolution, reconstruction method and frame-rate target. The practical winner is the console on which the games you play offer the modes you want.
Also popular on Amazon
- BEST VALUE IN GAMING — Experience next-gen speed and performance in the smallest XBOX ever. The XBOX Series S delivers powerful all-digital gameplay in a sleek, compact design.
- UP TO 120 FPS GAMEPLAY — Enjoy smooth, responsive gaming with frame rates up to 120 FPS, powered by XBOX Velocity Architecture, a custom NVMe SSD, and DirectX Raytracing for a heightened level of realism.
- 512GB CUSTOM SSD AND XBOX VELOCITY ARCHITECTURE — Reduce load times dramatically with the custom 512GB NVMe SSD and XBOX Velocity Architecture, enabling lightning-fast performance and seamless world streaming.
- QUICK RESUME — Seamlessly switch between multiple games and resume exactly where you left off. No more waiting through title screens and loading bars.
- FOUR GENERATIONS OF DIGITAL GAMES — Play thousands of digital games from XBOX Series X|S, XBOX One, XBOX 360, and Original XBOX with backward compatibility. Many titles are enhanced for better visuals and performance. Smart Delivery ensures you always get the best version for your console.
If you mainly play titles with a 60-FPS performance mode, both platforms can deliver a smooth experience when connected to a suitable display. If a particular game offers a 120-FPS patch on only one platform, that platform is the better choice for that title. If both versions offer the same target, differences may appear in image stability, ray-tracing settings or how aggressively dynamic resolution is used; those are game-specific questions, not properties that can be inferred solely from the console name.
When Xbox Series X is the logical choice
- You want the higher published GPU specification: 12 teraflops and 52 CUs versus PS5’s 10.28 teraflops and 36 CUs.
- You prefer to maximize theoretical rendering headroom for future or especially demanding games.
- The games you intend to buy provide the performance, 120Hz or ray-tracing modes you want on Xbox.
- You already own a 4K 120Hz VRR display and want a console capable of using its full refresh range.
The hardware advantage is a reason to favor Xbox Series X when specifications are your deciding factor. It is not proof that every cross-platform game will run at a higher frame rate or use a sharper reconstruction method.
When PS5 is the logical choice
- The games you care about are available on PS5 with the preferred performance or quality modes.
- You value a specific developer implementation, such as a particular 60-FPS, 120-FPS or ray-tracing option, more than aggregate GPU numbers.
- Your display supports the PS5’s 4K 120Hz and VRR capabilities and the games you play take advantage of them.
- You are choosing between platforms based on the actual titles and patches you will use rather than theoretical throughput.
PS5’s lower published teraflop and CU totals do not make it a 30-FPS-only machine. It supports 4K 120Hz output and VRR, and developers can tune its modes independently for each game.
Common mistakes that make one console look slower
Using a 60Hz television
A 60Hz panel cannot display the temporal benefit of a 120-FPS mode. It may still accept a console signal, but the visible refresh ceiling remains 60Hz. Upgrade the display before treating the console as the limiting factor.
Connecting through an unsuitable receiver or HDMI switch
An intermediate device that supports only HDMI 2.0 or a lower bandwidth can force 4K 60Hz, disable VRR or prevent a 120Hz handshake. Connect the console directly to a compatible HDMI 2.1 input while troubleshooting, then add an intermediate device only after confirming its specifications.
Leaving 120Hz or VRR disabled
Both consoles expose system-level video options. If 120Hz output or VRR is disabled, a compatible game may fall back to 60Hz or operate without variable refresh. Recheck these settings after changing cables, inputs or television picture modes.
Also popular on Amazon
- What's in the box: Xbox Series S 512GB console, 1 Wireless Controller, High Speed HDMI cable.
- CPU: 8X Cores @ 3.6 GHz (3.4 GHz w/SMT) Custom Zen 2 CPU; GPU: 4 TFLOPS, 20 CUs @1.565 GHz Custom RDNA 2 GPU; SOC Die Size: 197.05 mm2.
- Memory: 10GB GDDR6 128 bit-wide bus; Memory Bandwidth: 8GB @ 224 GB/s, 2GB @ 56 GB/s.; Internal Storage: 512GB Custom NVME SSD
- Gaming Resolution: 1440p; Performance Target: Up to 120 FPS; HDMI Features: Auto Low Latency Mode, HDMI Variable Refresh Rate, AMD FreeSync.
Comparing different patches
A launch build and a later optimized build can have different resolution scaling, ray-tracing and frame-rate behavior. Confirm the version number and update status before drawing a conclusion from a video or benchmark.
Free tools Windows power users keep installed
One-click scans. No signup required.
Confusing output resolution with internal resolution
A console reporting 4K output is not evidence that every frame was rendered internally at native 4K. Look for the game’s stated mode and dynamic-resolution behavior when evaluating sharpness.
A practical buying decision
| Your priority | Best decision rule |
|---|---|
| Maximum published GPU headroom | Choose Xbox Series X because its listed 12 teraflops and 52 CUs exceed PS5’s 10.28 teraflops and 36 CUs. |
| Best upscaling in one specific game | Compare that game’s PS5 and Xbox modes, patch notes and controlled testing; the console specification alone cannot decide. |
| Highest frame rate in one specific game | Choose the version that offers the higher tested target with the same visual settings and display conditions. |
| 4K/120 gaming | Confirm the game has a 120-FPS mode and use a 4K 120Hz HDMI 2.1 display with VRR if supported. |
| Mostly 60Hz gaming | Both consoles can provide 4K-class output and 60-FPS modes; prioritize the games and mode choices you prefer. |
What can and cannot be concluded from the specifications
The specifications establish a clear hardware distinction: Xbox Series X has more listed compute units and teraflops. They also establish that both consoles support the display technologies needed for 4K 120Hz and VRR. They do not establish an average frame-rate lead across all games, a universal upscaling advantage or a permanent difference in image quality.
Those unanswered questions must be resolved at the game level. Developers decide whether to use dynamic resolution, which reconstruction method to apply, how to balance ray tracing against frame rate and whether to ship a 120Hz patch. A careful comparison therefore names the game, patch, graphics mode, display refresh rate and VRR state instead of making a blanket platform claim.
Bottom line for buyers
Buy Xbox Series X if the higher published GPU headroom is your tie-breaker. Buy either console when your decision is driven by specific games, because mode selection and developer optimization can outweigh the theoretical difference. For 4K/120 play, budget for a genuine 4K 120Hz HDMI 2.1 display with VRR and verify that the games you play offer a 120-FPS mode. The honest answer to “which console has better upscaling and frame rates?” is: Xbox has the stronger specification, while the visible and measurable winner depends on the title and its chosen mode.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problems
