MediaTek Dimensity 8400 vs MediaTek Helio G99
82
out 100
VS
33
out 100
Compared 2 processors: MediaTek Dimensity 8400, vs MediaTek Helio G99. Below are specs, tests, pros and cons for each device
Review
Processor Performance
Single-Core Benchmark Score
Gaming Performance
Graphics and OpenCL/Vulkan tests
Energy Efficiency
Chip Power Efficiency
Tests & specs
Specs & test comparisonBenchmarks
| CPU | 350248 | 131367 |
| GPU | 607362 | 71737 |
| Memory | 363103 | 100728 |
| UX | 312884 | 118629 |
| NanoReview Score | 1633597 | 422461 |
| Graphics Test | n/a | 7 fps |
| File Compression | 262.5 MB/s | 99.7 MB/s |
| HTML5 Browser | 190.4 pages/s | 50.6 pages/s |
| PDF Rendering | 213.4 MP/sec | 70.6 MP/sec |
| Background Blur | 20.7 frames/s | 6.15 frames/s |
| Photo Processing | 53.3 frames/s | 18.8 frames/s |
| Image Detection | 113.5 frames/s | 40.1 frames/s |
| HDR | 168.7 MP/sec | 54.6 MP/sec |
| Ray Tracing | 6.99 MP/sec | 2.79 MP/sec |
Games
 PUBG Mobile |
n/a | 86 FPS (Low) |
 Call of Duty: Mobile |
n/a | 37 FPS (Ultra) |
 Shadowgun Legends |
n/a | 91 FPS (Low) |
 World of Tanks Blitz |
n/a | 66 FPS (Ultra) |
 Genshin Impact |
n/a | 55 FPS (Ultra) |
 Mobile Legends: Bang Bang |
n/a | 48 FPS (Ultra) |
| Device | n/a | Cubot X70 (1080x2408) |
Processor
| Architecture | - 1x 3.25 GHz – Cortex-A725 - 3x 3 GHz – Cortex-A725 - 4x 2.1 GHz – Cortex-A725 |
- 2/2.2 (Cortex-A76) - 6/2 (Cortex-A55) |
| Process | TSMC | TSMC |
| Cores count | 8 | 8 |
| Frequency | 3250 | 2200 |
| Instruction set | ARMv9.2-A | ARMv8.2-A |
| L2 cache | 1 MB | n/a |
| L3 Cache | 6 MB | n/a |
| Process tech. | 4 nm | 6 nm |
| Power (TDP) | 7 W | 5 W |
Graphics
| GPU Model | Mali-G720 MP7 | Mali-G57 MP2 |
| Architecture | Valhall 5th gen | Valhall 1st gen |
| GPU Frequency | 1300 MHz | 1000 MHz |
| Execution Units | 7 | 2 |
| Shader Units | 128 | 32 |
| Total shader | 896 | 64 |
| FLOPS | 2329.6 GFLOPS | 128 GFLOPS |
| Vulkan | 1.3 | 1.3 |
| OpenCL | 3.2 | 2.0 |
| DirectX | 12 | 12 |
AI Acceleration
| Artificial Intelligence | MediaTek NPU 880 | Yes |
Memory
| Memory Type | LPDDR5X | LPDDR4X |
| Memory Frequency | 4266 MHz | 2133 MHz |
| Bus | 4x16 bit | 2x16 bit |
| Bandwidth | 68.2 Gbit/s | 17.1 Gbit/s |
| Max RAM | 24 GB | 12 GB |
Multimedia
| Memory Type | UFS 4.0 | UFS 2.2 |
| Max. resolution | 2960x1440 pixels | 2520x1080 pixels |
| Camera | 1x320 pixels | 1x108 pixels |
| Video recording | 4K at 60FPS | 2K at 30FPS |
| Video quality | 4K at 60FPS | 2K at 30FPS |
| Video codecs | - H.264 - H.265 - AV1 - VP9 |
- H.264 - H.265 - VP9 |
| Audio codecs | - AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 |
- AAC - AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| 4G Support | n/a | LTE Cat. 13 |
| 5G Support | Yes | No |
| Download speed | Up to 5170 MB/s | Up to 650 MB/s |
| Upload speed | n/a | Up to 150 MB/s |
| Wi-Fi version | 6 | 5 |
| Bluetooth version | 6.0 | 5.2 |
| Navigation | - GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC |
- GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC |
Other
| Announced | December, 2024 yr | May, 2022 yr |
| Class | Mid-range | Mid-range |
| Codename | MT6899, MT6899Z | MT6789 |
Results
After analyzing the data, we consider MediaTek Dimensity 8400 the clear winner in this comparison.
Survey
Total Votes: 19
