Helio G99 vs Helio G91
We compared two 8-core processors: MediaTek Helio G99 (with Mali-G57 MP2 graphics) and Helio G91 (Mali-G52 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 MediaTek Helio G99
- Has a smaller size transistor (6 versus 12 nm)
- Shows significantly better (up to 57%) AnTuTu 11 score β 554K vs 354K
- Performs 33% better in floating-point computations
- Supports 18% higher memory bandwidth (17 against 14.4 GB/s)
- 10% higher CPU clock speed (2200 vs 2000 MHz)
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 218545 | 134211 |
| GPU | 43804 | 27757 |
| Memory | 156545 | 94362 |
| UX | 135696 | 97828 |
| Total score | 554590 | 354158 |
| Samples | [313 tests] | [15 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 96.3 MB/sec | 75 MB/sec |
| HTML 5 Browser | 52 pages/sec | 41.8 pages/sec |
| PDF Renderer | 72.2 Mpixels/sec | 49.2 Mpixels/sec |
| Image detection | 38.5 images/sec | 25.8 images/sec |
| HDR | 63.4 Mpixels/sec | 45.2 Mpixels/sec |
| Background blur | 5.68 images/sec | 3.78 images/sec |
| Photo processing | 16.6 images/sec | 13.7 images/sec |
| Ray tracing | 2.79 Mpixels/sec | 2.26 Mpixels/sec |
| Samples | 82 tests | Less than 3 |
Compute Score (GPU)
| Background blur | 2.02 images/sec | 1.73 images/sec |
| Face detection | 1 images/sec | 1.08 images/sec |
| Horizon detection | 0.07 Gpixels/sec | 0.05 Gpixels/sec |
| Edge detection | 0.1 Gpixels/sec | 0.08 Gpixels/sec |
| Gaussian blur | 0.06 Gpixels/sec | 0.04 Gpixels/sec |
| Feature matching | 0.02 Gpixels/sec | 0.02 Gpixels/sec |
| Stereo matching | 4.16 Gpixels/sec | 3.58 Gpixels/sec |
| Particle physics | 251.6 FPS | 99.9 FPS |
| API | OpenCL | Vulkan |
| Samples | 48 tests | Less than 3 |
3DMark
3DMark Steel Nomad Light
| Score | 135 | 81 |
| Stability | 98% | 95% |
| Graphics test | 1 FPS | 1 FPS |
3DMark Wild Life Extreme
| Score | 346 | - |
| Stability | 99% | - |
| Graphics test | 2 FPS | - |
PCMark 3.0
PCMark 3.0
| Web score | 9196 | 9262 |
| Video editing score | 6615 | 6509 |
| Data manipulation score | 7349 | 6389 |
| Photo editing score | 25535 | 18206 |
| Writing score | 12807 | 8164 |
| Phones tested | 37 models | 3 models |
Gaming
| PUBG Mobile | 86 FPS [Low] |
- |
| Call of Duty: Mobile | 37 FPS [Ultra] |
- |
| Shadowgun Legends | 91 FPS [Low] |
- |
| World of Tanks Blitz | 66 FPS [Ultra] |
- |
| Genshin Impact | 48 FPS [Ultra] |
- |
| Mobile Legends: Bang Bang | 55 FPS [Ultra] |
- |
| Device | Cubot X70 1080 x 2408 |
- |
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 2026-09-20 -> 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 |
MediaTek Helio G91
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-06 (cyxapuku) | AnTuTu | 300156 |
| π 2026-07-01 -> Zay | AnTuTu | 335174 |
| π 2026-05-26 -> Zay | AnTuTu | 345877 |
| π 2026-05-13 (RidssShetiawan) | AnTuTu | 385590 |
| π 2026-05-03 (Aidan) | AnTuTu | 361872 |
Specifications
Full list of technical specifications of Helio G99 and Helio G91CPU
| Architecture | 2x 2.2 GHz β Cortex-A76 6x 2 GHz β Cortex-A55 |
2x 2 GHz β Cortex-A75 6x 1.8 GHz β Cortex-A55 |
| Cores | 8 | 8 |
| Frequency | 2200 MHz | 2000 MHz |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| Process | 6 nanometers | 12 nanometers |
| TDP (Sustained Power Limit) | 5 W | 5 W |
| Manufacturing | TSMC | TSMC |
Graphics
| GPU name | Mali-G57 MP2 | Mali-G52 MP2 |
| Architecture | Valhall 1st gen | Bifrost 2nd gen |
| GPU frequency | 1000 MHz | 1000 MHz |
| Pipelines | 2 | 2 |
| Shading units | 32 | 24 |
| Total shaders | 64 | 48 |
| FLOPS | 128 Gigaflops | 96 Gigaflops |
| Vulkan version | 1.3 | 1.3 |
| OpenCL version | 2.0 | 2.0 |
| DirectX version | 12 | - |
AI Accelerator
| Neural processor (NPU) | Yes | MediaTek APU |
Memory
| Memory type | LPDDR4X | LPDDR4X |
| Memory frequency | 2133 MHz | 1800 MHz |
| Bus | 2x 16 Bit | 2x 16 Bit |
| Max bandwidth | 17 Gb/s | 14.4 Gb/s |
| Max size | 12 GB | 8 GB |
Multimedia (ISP)
| Storage type | UFS 2.2 | eMMC 5.1, UFS 2.1 |
| Max display resolution | 2520 x 1080 | 2520 x 1080 |
| Max camera resolution | 1x 108MP, 2x 16MP | 1x 108MP, 2x 16MP |
| Video capture | 2K at 30FPS | 2K at 30FPS, 1K at 60FPS |
| Video playback | 2K at 30FPS | 2K at 30FPS, 1080p at 60FPS |
| Video codecs | - H.264 - H.265 - VP9 |
- H.264 - H.265 - VP9 |
| Audio codecs | - AAC - AIFF - CAF - MP3 - MP4 - WAV |
- AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| 4G support | LTE Cat. 13 | LTE Cat. 7 |
| 5G support | No | No |
| Download speed | Up to 650 Mbps | Up to 300 Mbps |
| Upload speed | Up to 150 Mbps | Up to 100 Mbps |
| Wi-Fi | 5 | 5 |
| Bluetooth | 5.2 | 5.4 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo |
Info
| Announced | May 2022 | June 2024 |
| Class | Mid range | Low end |
| Model number | MT6789 | MT6769G |
| Official page | MediaTek Helio G99 official site | MediaTek Helio G91 official site |
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: 486