Snapdragon 678 vs Helio G99
We compared two 8-core processors: Qualcomm Snapdragon 678 (with Adreno 612 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 678
- Performs 79% better in floating-point computations
Pros of MediaTek Helio G99
- Has a smaller size transistor (6 versus 11 nm)
- Higher GPU frequency (~12%)
- Supports 14% higher memory bandwidth (17 against 14.9 GB/s)
- Shows better (up to 9%) AnTuTu 11 score β 554K vs 510K
- Better instruction set architecture
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 216553 | 218545 |
| GPU | 30227 | 43804 |
| Memory | 103694 | 156545 |
| UX | 160187 | 135696 |
| Total score | 510711 | 554590 |
| Samples | [3 tests] | [313 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 89.8 MB/sec | 96.3 MB/sec |
| HTML 5 Browser | 41.8 pages/sec | 52 pages/sec |
| PDF Renderer | 48.4 Mpixels/sec | 72.2 Mpixels/sec |
| Image detection | 31.4 images/sec | 38.5 images/sec |
| HDR | 52.7 Mpixels/sec | 63.4 Mpixels/sec |
| Background blur | 4.96 images/sec | 5.68 images/sec |
| Photo processing | 9.43 images/sec | 16.6 images/sec |
| Ray tracing | 2.57 Mpixels/sec | 2.79 Mpixels/sec |
| Samples | 3 tests | 82 tests |
Compute Score (GPU)
| Background blur | 1.12 images/sec | 2.02 images/sec |
| Face detection | 0.55 images/sec | 1 images/sec |
| Horizon detection | 0.04 Gpixels/sec | 0.07 Gpixels/sec |
| Edge detection | 0.04 Gpixels/sec | 0.1 Gpixels/sec |
| Gaussian blur | 0.04 Gpixels/sec | 0.06 Gpixels/sec |
| Feature matching | 0.01 Gpixels/sec | 0.02 Gpixels/sec |
| Stereo matching | 0.42 Gpixels/sec | 4.16 Gpixels/sec |
| Particle physics | 83.2 FPS | 251.6 FPS |
| API | Vulkan | 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 | 6057 | 9196 |
| Video editing score | 5351 | 6615 |
| Data manipulation score | 6444 | 7349 |
| Photo editing score | 14635 | 25535 |
| Writing score | 9952 | 12807 |
| Phones tested | Less than 3 | 37 models |
Gaming
| PUBG Mobile | 41 FPS [Low] |
86 FPS [Low] |
| Call of Duty: Mobile | 40 FPS [Medium] |
37 FPS [Ultra] |
| Fortnite | 24 FPS [Low] |
- |
| Shadowgun Legends | 54 FPS [Low] |
91 FPS [Low] |
| World of Tanks Blitz | 59 FPS [Medium] |
66 FPS [Ultra] |
| Genshin Impact | 14 FPS [Low] |
48 FPS [Ultra] |
| Mobile Legends: Bang Bang | 48 FPS [Ultra] |
55 FPS [Ultra] |
| Device | Xiaomi Redmi Note 10 1080 x 2400 |
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 678
| Date | Benchmark | Result |
|---|---|---|
| π 2026-05-07 (Sayato) | AnTuTu 11 | 510711 |
| π 2026-04-30 (Twilight) | Geekbench 6 CPU | 704 / 1529 |
| π 2025-10-21 (Rainx) | AnTuTu 11 | 447401 |
| π 2025-01-10 (zafarchik) | Geekbench 6 CPU | 714 / 1577 |
MediaTek Helio G99
| Date | Benchmark | Result |
|---|---|---|
| π 2026-10-01 (Josh Gay Is Back Again) | AnTuTu 12 | 706364 |
| π 2026-09-30 (Lucas) | AnTuTu 12 | 607320 |
| π 2026-09-29 (ΠΠ»Π΅ΠΊΡΠ΅ΠΉ) | AnTuTu 12 | 671961 |
| π 2026-09-29 (Josh Gay) | AnTuTu 12 | 700949 |
| π 2026-09-27 (bero) | AnTuTu 12 | 648184 |
Specifications
Full list of technical specifications of Snapdragon 678 and Helio G99CPU
| Architecture | 2x 2.2 GHz β Kryo 460 Gold (Cortex-A76) 6x 1.7 GHz β Kryo 460 Silver (Cortex-A55) |
2x 2.2 GHz β Cortex-A76 6x 2 GHz β Cortex-A55 |
| Cores | 8 | 8 |
| Frequency | 2200 MHz | 2200 MHz |
| Instruction set | ARMv8-A | ARMv8.2-A |
| L1 cache | 16 KB | - |
| L2 cache | 256 KB | - |
| Process | 11 nanometers | 6 nanometers |
| TDP (Sustained Power Limit) | 6 W | 5 W |
| Manufacturing | Samsung | TSMC |
Graphics
| GPU name | Adreno 612 | Mali-G57 MP2 |
| Architecture | Adreno 600 | Valhall 1st gen |
| GPU frequency | 895 MHz | 1000 MHz |
| Pipelines | 1 | 2 |
| Shading units | 128 | 32 |
| Total shaders | 128 | 64 |
| FLOPS | 229.1 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 685 | Yes |
Memory
| Memory type | LPDDR4X | LPDDR4X |
| Memory frequency | 1866 MHz | 2133 MHz |
| Bus | 2x 16 Bit | 2x 16 Bit |
| Max bandwidth | 14.9 Gb/s | 17 Gb/s |
| Max size | 8 GB | 12 GB |
Multimedia (ISP)
| Storage type | eMMC 5.1, UFS 2.1 | UFS 2.2 |
| Max display resolution | 2520 x 1080 | 2520 x 1080 |
| Max camera resolution | 1x 192MP, 2x 25MP | 1x 108MP, 2x 16MP |
| Video capture | 4K at 30FPS | 2K at 30FPS |
| Video playback | 4K at 30FPS | 2K at 30FPS |
| Video codecs | - H.264 - H.265 - VP9 |
- H.264 - H.265 - VP9 |
| Audio codecs | - AAC - AIFF - CAF - MP3 - MP4 - WAV |
- AAC - AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| Modem | X12 | - |
| 4G support | LTE Cat. 12 | LTE Cat. 13 |
| 5G support | No | No |
| Download speed | Up to 600 Mbps | Up to 650 Mbps |
| Upload speed | Up to 150 Mbps | Up to 150 Mbps |
| Wi-Fi | 5 | 5 |
| Bluetooth | 5.0 | 5.2 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, SBAS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
Info
| Announced | December 2020 | May 2022 |
| Class | Mid range | Mid range |
| Model number | SM6150-AC | MT6789 |
| Official page | Qualcomm Snapdragon 678 official site | 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.
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