Helio G99 vs Dimensity 920
We compared two 8-core processors: MediaTek Helio G99 (with Mali-G57 MP2 graphics) and Dimensity 920 (Mali-G68 MP4). 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 MediaTek Helio G99
- Higher GPU frequency (~5%)
Pros of MediaTek Dimensity 920
- Supports 201% higher memory bandwidth (51.2 against 17 GB/s)
- Performs 90% better in floating-point computations
- Shows better (up to 35%) AnTuTu 11 score β 750K vs 554K
- 14% higher CPU clock speed (2500 vs 2200 MHz)
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 218545 | 290440 |
| GPU | 43804 | 78028 |
| Memory | 156545 | 150165 |
| UX | 135696 | 231848 |
| Total score | 554590 | 750481 |
| Samples | [313 tests] | [10 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 96.3 MB/sec | 117.7 MB/sec |
| HTML 5 Browser | 52 pages/sec | 61.4 pages/sec |
| PDF Renderer | 72.2 Mpixels/sec | 78.8 Mpixels/sec |
| Image detection | 38.5 images/sec | 43.5 images/sec |
| HDR | 63.4 Mpixels/sec | 72.3 Mpixels/sec |
| Background blur | 5.68 images/sec | 6.73 images/sec |
| Photo processing | 16.6 images/sec | 20.2 images/sec |
| Ray tracing | 2.79 Mpixels/sec | 3.25 Mpixels/sec |
| Samples | 82 tests | 7 tests |
Compute Score (GPU)
| Background blur | 2.02 images/sec | 2.95 images/sec |
| Face detection | 1 images/sec | 1.44 images/sec |
| Horizon detection | 0.07 Gpixels/sec | 0.09 Gpixels/sec |
| Edge detection | 0.1 Gpixels/sec | 0.13 Gpixels/sec |
| Gaussian blur | 0.06 Gpixels/sec | 0.1 Gpixels/sec |
| Feature matching | 0.02 Gpixels/sec | 0.03 Gpixels/sec |
| Stereo matching | 4.16 Gpixels/sec | 6.8 Gpixels/sec |
| Particle physics | 251.6 FPS | 385.1 FPS |
| API | OpenCL | OpenCL |
| Samples | 48 tests | 4 tests |
3DMark
3DMark Steel Nomad Light
| Score | 135 | 232 |
| Stability | 98% | - |
| Graphics test | 1 FPS | 2 FPS |
3DMark Wild Life Extreme
| Score | 346 | 633 |
| Stability | 99% | 98% |
| Graphics test | 2 FPS | 3 FPS |
PCMark 3.0
PCMark 3.0
| Web score | 9196 | 10805 |
| Video editing score | 6615 | 6810 |
| Data manipulation score | 7349 | 8454 |
| Photo editing score | 25535 | 34185 |
| Writing score | 12807 | 16317 |
| Phones tested | 37 models | 2 models |
Gaming
| PUBG Mobile | 86 FPS [Low] |
64 FPS [Ultra] |
| Call of Duty: Mobile | 37 FPS [Ultra] |
59 FPS [High] |
| Fortnite | - | 27 FPS [Low] |
| Shadowgun Legends | 91 FPS [Low] |
68 FPS [Medium] |
| World of Tanks Blitz | 66 FPS [Ultra] |
59 FPS [Ultra] |
| Genshin Impact | 48 FPS [Ultra] |
46 FPS [Medium] |
| Mobile Legends: Bang Bang | 55 FPS [Ultra] |
53 FPS [Ultra] |
| Device | Cubot X70 1080 x 2408 |
Oppo Realme 9 Pro Plus 1080 x 2400 |
We provide average results. FPS may differ, depending on game version, OS and other factors.
Recent User Tests
MediaTek Helio G99
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-24 (Gigachat 2.0) | AnTuTu 12 | 667153 |
| π 2026-09-24 (Gigachat 2.0) | AnTuTu 12 | 667153 |
| π 2026-09-24 (Test) | AnTuTu 12 | 684097 |
| π 2026-09-24 (Remi) | AnTuTu 12 | 638604 |
| π 2026-09-23 (Zik) | Geekbench 7 GPU | 1346 |
MediaTek Dimensity 920
| Date | Benchmark | Result |
|---|---|---|
| π 2026-05-03 (Hard) | AnTuTu 11 | 767408 |
| π 2026-05-03 (Γbcd) | Geekbench 6 GPU | 2269 |
| π 2026-05-03 (Γbcd) | Geekbench 6 CPU | 936 / 2318 |
| π 2026-05-03 (Γbcd) | AnTuTu 11 | 745837 |
| π 2026-03-05 (Anerierisa) | AnTuTu 11 | 750481 |
Specifications
Full list of technical specifications of Helio G99 and Dimensity 920CPU
| Architecture | 2x 2.2 GHz β Cortex-A76 6x 2 GHz β Cortex-A55 |
2x 2.5 GHz β Cortex-A78 6x 2 GHz β Cortex-A55 |
| Cores | 8 | 8 |
| Frequency | 2200 MHz | 2500 MHz |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| L3 cache | - | 2 MB |
| Process | 6 nanometers | 6 nanometers |
| Transistor count | - | 10 billion |
| TDP (Sustained Power Limit) | 5 W | 4 W |
| Manufacturing | TSMC | TSMC |
Graphics
| GPU name | Mali-G57 MP2 | Mali-G68 MP4 |
| Architecture | Valhall 1st gen | Valhall 2nd gen |
| GPU frequency | 1000 MHz | 950 MHz |
| Pipelines | 2 | 4 |
| Shading units | 32 | 32 |
| Total shaders | 64 | 128 |
| FLOPS | 128 Gigaflops | 243.2 Gigaflops |
| Vulkan version | 1.3 | 1.3 |
| OpenCL version | 2.0 | 2.0 |
| DirectX version | 12 | - |
AI Accelerator
| Neural processor (NPU) | Yes | Yes |
Memory
| Memory type | LPDDR4X | LPDDR5 |
| Memory frequency | 2133 MHz | 3200 MHz |
| Bus | 2x 16 Bit | 4x 16 Bit |
| Max bandwidth | 17 Gb/s | 51.2 Gb/s |
| Max size | 12 GB | 16 GB |
Multimedia (ISP)
| Storage type | UFS 2.2 | UFS 2.1, UFS 2.2, UFS 3.1 |
| Max display resolution | 2520 x 1080 | 2520 x 1080 |
| Max camera resolution | 1x 108MP, 2x 16MP | 1x 108MP, 2x 20MP |
| Video capture | 2K at 30FPS | 4K at 30FPS |
| Video playback | 2K at 30FPS | 4K at 30FPS |
| Video codecs | - H.264 - H.265 - VP9 |
- H.264 - H.265 - AV1 - VP9 |
| Audio codecs | - AAC - AIFF - CAF - MP3 - MP4 - WAV |
- AAC - AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| 4G support | LTE Cat. 13 | LTE Cat. 18 |
| 5G support | No | Yes |
| Download speed | Up to 650 Mbps | Up to 2770 Mbps |
| Upload speed | Up to 150 Mbps | Up to 1250 Mbps |
| Wi-Fi | 5 | 6 |
| Bluetooth | 5.2 | 5.2 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
Info
| Announced | May 2022 | August 2021 |
| Class | Mid range | Mid range |
| Model number | MT6789 | MT6877T |
| Official page | MediaTek Helio G99 official site | MediaTek Dimensity 920 official site |
| Successor | - | - MediaTek Dimensity 7050 |
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.
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