Snapdragon 855 vs Helio G99
We compared two 8-core processors: Qualcomm Snapdragon 855 (with Adreno 640 graphics) and MediaTek Helio G99 (Mali-G57 MP2). Here you will find the pros and cons of each chip, technical specs, and comprehensive tests in benchmarks, like AnTuTu and Geekbench.
Review
CPU Performance
Single and multi-core processor tests
Gaming Performance
GPU performance in games and OpenCL/Vulkan
Battery life
Efficiency of battery consumption
NanoReview Score
Overall chip score
Key Differences
Pros of Qualcomm Snapdragon 855
- Performs 7x better in floating-point computations
- Supports 101% higher memory bandwidth (34.13 against 17 GB/s)
- Shows significantly better (up to 49%) AnTuTu 11 score β 824K vs 554K
- 29% higher CPU clock speed (2840 vs 2200 MHz)
Pros of MediaTek Helio G99
- Higher GPU frequency (~71%)
- Has a smaller size transistor (6 versus 7 nm)
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 314517 | 218545 |
| GPU | 125449 | 43804 |
| Memory | 150134 | 156545 |
| UX | 234413 | 135696 |
| Total score | 824513 | 554590 |
| Samples | [39 tests] | [313 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 126.8 MB/sec | 96.3 MB/sec |
| HTML 5 Browser | 74.2 pages/sec | 52 pages/sec |
| PDF Renderer | 88 Mpixels/sec | 72.2 Mpixels/sec |
| Image detection | 57.7 images/sec | 38.5 images/sec |
| HDR | 89.3 Mpixels/sec | 63.4 Mpixels/sec |
| Background blur | 9.07 images/sec | 5.68 images/sec |
| Photo processing | 20.2 images/sec | 16.6 images/sec |
| Ray tracing | 4.06 Mpixels/sec | 2.79 Mpixels/sec |
| Samples | 29 tests | 82 tests |
Compute Score (GPU)
| Background blur | 4.31 images/sec | 2.02 images/sec |
| Face detection | 1.84 images/sec | 1 images/sec |
| Horizon detection | 0.16 Gpixels/sec | 0.07 Gpixels/sec |
| Edge detection | 0.22 Gpixels/sec | 0.1 Gpixels/sec |
| Gaussian blur | 0.15 Gpixels/sec | 0.06 Gpixels/sec |
| Feature matching | 0.02 Gpixels/sec | 0.02 Gpixels/sec |
| Stereo matching | 8.72 Gpixels/sec | 4.16 Gpixels/sec |
| Particle physics | 444 FPS | 251.6 FPS |
| API | OpenCL | OpenCL |
| Samples | 19 tests | 48 tests |
3DMark
3DMark Steel Nomad Light
| Score | - | 135 |
| Stability | - | 98% |
| Graphics test | - | 1 FPS |
3DMark Wild Life Extreme
| Score | 876 | 346 |
| Stability | 86% | 99% |
| Graphics test | 5 FPS | 2 FPS |
PCMark 3.0
PCMark 3.0
| Web score | 8813 | 9196 |
| Video editing score | 5956 | 6615 |
| Data manipulation score | 8239 | 7349 |
| Photo editing score | 22485 | 25535 |
| Writing score | 13084 | 12807 |
| Phones tested | 8 models | 37 models |
Gaming
| PUBG Mobile | 58 FPS [Ultra] |
86 FPS [Low] |
| Call of Duty: Mobile | 56 FPS [Ultra] |
37 FPS [Ultra] |
| Fortnite | 28 FPS [Ultra] |
- |
| Shadowgun Legends | 51 FPS [Ultra] |
91 FPS [Low] |
| World of Tanks Blitz | 59 FPS [Ultra] |
66 FPS [Ultra] |
| Genshin Impact | - | 48 FPS [Ultra] |
| Mobile Legends: Bang Bang | 57 FPS [Ultra] |
55 FPS [Ultra] |
| Device | Xiaomi Mi 9T Pro 1080 x 2340 |
Cubot X70 1080 x 2408 |
We provide average results. FPS may differ, depending on game version, OS and other factors.
Recent User Tests
Qualcomm Snapdragon 855
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-12 (Stanley) | AnTuTu | 847934 |
| π 2026-09-06 (pakasraka) | AnTuTu | 763477 |
| π 2026-08-23 (long tran) | GeekBench GPU | 3882 |
| π 2026-08-23 (long tran) | GeekBench CPU | 1000 / 3025 |
| π 2026-08-23 (long tran) | AnTuTu | 884066 |
MediaTek Helio G99
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-20 -> Efkann | AnTuTu | 579904 |
| π 2026-09-13 (Hala) | AnTuTu | 520262 |
| π 2026-09-10 -> 1Ars | AnTuTu | 469582 |
| π 2026-09-10 (Cmvi) | AnTuTu | 524833 |
| π 2026-09-09 (ctoyu7665) | AnTuTu | 521495 |
Specifications
Full list of technical specifications of Snapdragon 855 and Helio G99CPU
| Architecture | 1x 2.84 GHz β Cortex-A76 (Kryo 485 Gold) 3x 2.42 GHz β Cortex-A76 (Kryo 485 Gold) 4x 1.8 GHz β Cortex-A55 (Kryo 485 Silver) |
2x 2.2 GHz β Cortex-A76 6x 2 GHz β Cortex-A55 |
| Cores | 8 | 8 |
| Frequency | 2840 MHz | 2200 MHz |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| L1 cache | 512 KB | - |
| L2 cache | 1 MB | - |
| L3 cache | 2 MB | - |
| Process | 7 nanometers | 6 nanometers |
| Transistor count | 6.7 billion | - |
| TDP (Sustained Power Limit) | 6 W | 5 W |
| Manufacturing | TSMC | TSMC |
Graphics
| GPU name | Adreno 640 | Mali-G57 MP2 |
| Architecture | Adreno 600 | Valhall 1st gen |
| GPU frequency | 585 MHz | 1000 MHz |
| Pipelines | 3 | 2 |
| Shading units | 256 | 32 |
| Total shaders | 768 | 64 |
| FLOPS | 898.5 Gigaflops | 128 Gigaflops |
| Vulkan version | 1.1 | 1.3 |
| OpenCL version | 2.0 | 2.0 |
| DirectX version | 12.1 | 12 |
AI Accelerator
| Neural processor (NPU) | Hexagon 690 | Yes |
Memory
| Memory type | LPDDR4X | LPDDR4X |
| Memory frequency | 2133 MHz | 2133 MHz |
| Bus | 4x 16 Bit | 2x 16 Bit |
| Max bandwidth | 34.13 Gb/s | 17 Gb/s |
| Max size | 16 GB | 12 GB |
Multimedia (ISP)
| Storage type | UFS 3.0 | UFS 2.2 |
| Max display resolution | 3840 x 2160 | 2520 x 1080 |
| Max camera resolution | 1x 192MP, 2x 22MP | 1x 108MP, 2x 16MP |
| Video capture | 4K at 120FPS | 2K at 30FPS |
| Video playback | 8K at 30FPS, 4K at 120FPS | 2K at 30FPS |
| Video codecs | - H.264 - H.265 - VP8 - VP9 |
- H.264 - H.265 - VP9 |
| Audio codecs | - AAC - AIFF - CAF - MP3 - MP4 - WAV |
- AAC - AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| Modem | X24 LTE, X50 5G | - |
| 4G support | LTE Cat. 20 | LTE Cat. 13 |
| 5G support | Yes | No |
| Download speed | Up to 5000 Mbps | Up to 650 Mbps |
| Upload speed | Up to 1240 Mbps | Up to 150 Mbps |
| Wi-Fi | 6 | 5 |
| Bluetooth | 5.0 | 5.2 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, SBAS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
Info
| Announced | December 2018 | May 2022 |
| Class | Flagship | Mid range |
| Model number | SM8150 | MT6789 |
| Official page | Qualcomm Snapdragon 855 official site | MediaTek Helio G99 official site |
| Successor | - Qualcomm Snapdragon 8 Elite Gen 5 | - |
Further details
Notes on Helio G99:
- The MediaTek G99 Ultimate is essentially the same chip as the G99, with a slightly higher clock speed and no noticeable performance difference. "Ultimate" naming was added for marketing purposes and could confuse the average consumer.
Cast your vote
Total votes: 841
