Unisoc SC9863A vs Helio G99
We compared two 8-core processors: Unisoc SC9863A (with PowerVR GE8322 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 MediaTek Helio G99
- Has a smaller size transistor (6 versus 28 nm)
- Shows significantly better (up to 3.6x) AnTuTu 11 score β 554K vs 153K
- Higher GPU frequency (~82%)
- Performs 82% better in floating-point computations
- 38% higher CPU clock speed (2200 vs 1600 MHz)
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 72338 | 218545 |
| GPU | 12745 | 43804 |
| Memory | 35608 | 156545 |
| UX | 32976 | 135696 |
| Total score | 153667 | 554590 |
| Samples | Less than 3 | [313 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 52.4 MB/sec | 96.3 MB/sec |
| HTML 5 Browser | 23 pages/sec | 52 pages/sec |
| PDF Renderer | 29.9 Mpixels/sec | 72.2 Mpixels/sec |
| Image detection | 9.4 images/sec | 38.5 images/sec |
| HDR | 26.1 Mpixels/sec | 63.4 Mpixels/sec |
| Background blur | 0.79 images/sec | 5.68 images/sec |
| Photo processing | 5.72 images/sec | 16.6 images/sec |
| Ray tracing | 1.3 Mpixels/sec | 2.79 Mpixels/sec |
| Samples | Less than 3 | 82 tests |
Compute Score (GPU)
| Background blur | - | 2.02 images/sec |
| Face detection | - | 1 images/sec |
| Horizon detection | - | 0.07 Gpixels/sec |
| Edge detection | - | 0.1 Gpixels/sec |
| Gaussian blur | - | 0.06 Gpixels/sec |
| Feature matching | - | 0.02 Gpixels/sec |
| Stereo matching | - | 4.16 Gpixels/sec |
| Particle physics | - | 251.6 FPS |
| API | - | OpenCL |
| Samples | - | 48 tests |
3DMark
3DMark Steel Nomad Light
| Score | - | 135 |
| Stability | - | 98% |
| Graphics test | - | 1 FPS |
3DMark Wild Life Extreme
| Score | - | 346 |
| Stability | - | 99% |
| Graphics test | - | 2 FPS |
PCMark 3.0
PCMark 3.0
| Web score | 4595 | 9196 |
| Video editing score | 3827 | 6615 |
| Data manipulation score | 3481 | 7349 |
| Photo editing score | 8415 | 25535 |
| Writing score | 5029 | 12807 |
| Phones tested | 2 models | 37 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
Unisoc SC9863A
No benchmark results yet
MediaTek Helio G99
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-27 (bero) | AnTuTu 12 | 648184 |
| π 2026-09-27 (Josh Gay) | AnTuTu 12 | 699734 |
| π 2026-09-26 (Arbuziki) | AnTuTu 12 | 676516 |
| π 2026-09-24 (Gigachat 2.0) | AnTuTu 12 | 667153 |
| π 2026-09-24 (Gigachat 2.0) | AnTuTu 12 | 667153 |
Specifications
Full list of technical specifications of Unisoc SC9863A and Helio G99CPU
| Architecture | 4x 1.6 GHz β Cortex-A55 4x 1.2 GHz β Cortex-A55 |
2x 2.2 GHz β Cortex-A76 6x 2 GHz β Cortex-A55 |
| Cores | 8 | 8 |
| Frequency | 1600 MHz | 2200 MHz |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| Process | 28 nanometers | 6 nanometers |
| TDP (Sustained Power Limit) | 3 W | 5 W |
| Manufacturing | - | TSMC |
Graphics
| GPU name | PowerVR GE8322 | Mali-G57 MP2 |
| Architecture | PowerVR Series8XE (Rogue) | Valhall 1st gen |
| GPU frequency | 550 MHz | 1000 MHz |
| Pipelines | 8 | 2 |
| Shading units | 8 | 32 |
| Total shaders | 64 | 64 |
| FLOPS | 70.4 Gigaflops | 128 Gigaflops |
| Vulkan version | 1.1 | 1.3 |
| OpenCL version | 1.2 | 2.0 |
| DirectX version | - | 12 |
AI Accelerator
| Neural processor (NPU) | No | Yes |
Memory
| Memory type | LPDDR4X | LPDDR4X |
| Memory frequency | 1800 MHz | 2133 MHz |
| Bus | 2x 16 Bit | 2x 16 Bit |
| Max bandwidth | - | 17 Gb/s |
| Max size | 4 GB | 12 GB |
Multimedia (ISP)
| Storage type | eMMC 5.1 | UFS 2.2 |
| Max display resolution | 2160 x 1080 | 2520 x 1080 |
| Max camera resolution | 1x 16MP, 2x 5MP | 1x 108MP, 2x 16MP |
| Video capture | 1K at 30FPS | 2K at 30FPS |
| Video playback | 1080p at 30FPS | 2K at 30FPS |
| Video codecs | - H.264 - H.265 |
- H.264 - H.265 - VP9 |
| Audio codecs | - AAC - AIFF - CAF - MP3 - MP4 - WAV |
- AAC - AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| 4G support | LTE Cat. 7 | LTE Cat. 13 |
| 5G support | No | No |
| Download speed | Up to 300 Mbps | Up to 650 Mbps |
| Upload speed | Up to 150 Mbps | Up to 150 Mbps |
| Wi-Fi | 4 | 5 |
| Bluetooth | 4.2 | 5.2 |
| Navigation | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
Info
| Announced | November 2018 | May 2022 |
| Class | Low end | Mid range |
| Model number | - | MT6789 |
| Official page | - | MediaTek Helio G99 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: 119
