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Helio G99 leads the cited aggregate AnTuTu 11 and Geekbench 6 results, while Snapdragon 685 has the higher listed maximum CPU clock and Qualcomm platform features. Both are 4G chipsets. Those results do not come from a controlled test of identical phones, so the better buy depends on the exact handset as well as its processor.

Snapdragon 685 vs Helio G99 specifications

The two chipsets differ in CPU configuration, graphics, wireless capabilities, and some listed platform specifications. Manufacturer specifications describe what a platform can support; they do not guarantee that every phone using it includes every feature.

Specification Snapdragon 685 Helio G99
Cellular 4G LTE; Snapdragon X11 LTE modem, with up to 390 Mbps peak download listed by Qualcomm 4G; integrated Cat-13 LTE modem listed by MediaTek
CPU Eight-core design listed by NanoReview; Qualcomm lists clock speeds up to 2.8 GHz Eight cores: 2x Cortex-A76 up to 2.2 GHz and 6x Cortex-A55 up to 2.0 GHz
GPU Adreno 610 Arm Mali-G57 MC2
Manufacturing process Not stated on Qualcomm’s product page TSMC N6, described by MediaTek as 6nm-class
Memory and storage support LPDDR4X and UFS 2.2, according to NanoReview LPDDR4X and UFS 2.2, according to MediaTek
Display capability FHD+ up to 120 Hz Up to 2520 x 1080 and 120 Hz
Wireless FastConnect 6100, described by Qualcomm as Wi-Fi 6-ready; Bluetooth 5.1 Wi-Fi 5; Bluetooth 5.2

Sources: Qualcomm Snapdragon 685 specifications, MediaTek Helio G99 specifications, and NanoReview’s comparison. Confirm the exact phone’s specification sheet because manufacturers can configure or omit platform features.

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What the benchmark comparison shows

NanoReview’s comparison page, accessed in 2026, reports higher Helio G99 scores in all three listed results. These are aggregate reported figures, not results from a matched test in identical phones.

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Benchmark Helio G99 Snapdragon 685
AnTuTu 11 554,590 (313 tests) 476,175 (83 tests)
Geekbench 6 single-core 727 466
Geekbench 6 multi-core 2,047 1,396

The AnTuTu sample counts are reported by NanoReview; the page does not establish an identical device, firmware, or testing procedure for the two chipsets. Benchmark versions matter: AnTuTu 11 and Geekbench 6 scores should not be compared as though they came from a single controlled experiment, or mixed with scores from other benchmark versions. The comparison page does not state an original publication year for these particular results. See NanoReview’s comparison.

Geekbench’s mobile listing includes examples such as a Redmi Note 12 4G with Snapdragon 685 and a Redmi Note 14 4G with a Helio G99-family chip. Because these are different phones, their results cannot isolate the chipset as the only cause of any score difference. View Geekbench’s mobile benchmark listing.

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Which is better: Snapdragon 685 or Helio G99?

On the cited aggregate benchmark results, the Helio G99 is ahead in AnTuTu 11 and Geekbench 6. That does not prove it will be faster in every phone or workload: the figures have unequal sample counts and are not from a controlled same-phone comparison. Snapdragon 685’s listed maximum CPU clock of 2.8 GHz is higher, but clock speed alone does not establish better overall performance.

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Everyday use and gaming

Both platforms can support capable midrange phones, but chipset names alone do not establish how smoothly a particular model will run. Cooling, firmware, memory, game settings, display resolution, and sustained workload all affect real performance. The GPU designs also differ: Adreno 610 on Snapdragon 685 and Mali-G57 MC2 on Helio G99. The cited aggregate figures are not a substitute for testing a specific phone in the apps or games you use.

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Battery life

Neither chipset comparison establishes which phone will last longer on a charge. Battery capacity, screen size and refresh rate, software, radio conditions, and device-level power management all influence runtime. Compare battery specifications and independent testing for the exact handset rather than inferring battery life from a processor label.

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Both chipsets are 4G, not 5G

Qualcomm and MediaTek list these as 4G platforms and do not list 5G support for them. The exact LTE bands, VoLTE support, and carrier compatibility depend on the phone variant and market. Check the manufacturer’s specifications and your carrier’s compatibility information before buying, especially if you are importing a phone. Qualcomm’s platform page and MediaTek’s platform page provide the chipset-level details.

Rank #4
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  • Full GOOG Service: Same User experience as the local mobile version. It's manufactured by vivo China Headquarter Factory. We will help you to install full set of GOOG APPs. The frequencies supported cover main network bands. The package contains compatible charger with local standard. Needless to worry about the GOOG Service, language, charging and network compatibility. Since this is a China Version mobile phone, please note some contents might still be Chinese and may not be changed.
  • PROFESSIONAL V-SLR CAMERA SYSTEM — 3+2 Z EISS Master Lens Array with dual 200MP sensors (1/1.12″ S ONY LYTIA 901 main + 200MP 85mm gimbal-stabilized telephoto) and a 50MP ultrawide. Covering 14mm to 400mm full focal range with CIPA 7.0-level stabilization. This is the original Chinese version – fully unlocked and ready for global use. Every shot delivers Z EISS natural color science.
  • IMMERSIVE 2K DISPLAY — 6.82-inch 2K Z EISS Master Color AMOLED flat display with 1-144Hz LTPO adaptive refresh rate. Peak brightness 4500nits for outdoor visibility, supports Dolby Vision, HDR 10+, and Netflix HDR. 2160Hz PWM dimming + full-range DC dimming for eye protection – perfect for gaming and streaming.
  • FLAGSHIP PERFORMANCE — Snapdragon 8 Elite Gen 5 (TSMC 3nm, up to 4.6GHz). Ice Vein Fluid VC cooling system. Runs Funtouch OS (Chinese version) with full GOOG Play Services pre-installed, so you get a clean Android 16 experience with all US apps working seamlessly.
  • ALL-DAY BATTERY — 6600mAh battery. 100W wired FlashCharge (0-100% in ~30 min) + 50W wireless FlashCharge. Includes C-to-C charger. IP68/IP69 dust/water resistance. The Chinese version retains the original high-capacity battery and fast charging protocol – no regional downgrade.

What to compare before choosing a phone

Use the processor comparison as one input, then compare complete phone models available in your region. Check:

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  • Price and availability: Compare the same storage configuration and local warranty, not just the advertised starting price.
  • RAM and storage: Confirm the actual memory configuration and storage type for the model variant.
  • Display: Compare panel type, resolution, brightness, and refresh rate; a higher refresh rate can also affect battery use.
  • Cooling and sustained performance: Look for device-specific gaming or stress-test results, since heat management can change performance over time.
  • Battery and charging: Check capacity and charging support on the exact phone.
  • Software support: Compare the manufacturer’s update policy and the phone’s current software condition.
  • Cameras: Sensor specifications and image processing are handset-level choices, not settled by the chipset comparison.
  • Network compatibility: Verify LTE bands, VoLTE, and carrier support for the precise regional variant.

Qualcomm’s statement about a near 15% CPU performance improvement is a comparison with the previous generation, not a claim that Snapdragon 685 is 15% faster than Helio G99. It should not be used as a head-to-head result. Qualcomm’s product page.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.