Snapdragon 855 vs Snapdragon 845
We compared two 8-core processors: Qualcomm Snapdragon 855 (with Adreno 640 graphics) and Snapdragon 845 (Adreno 630). 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/Vulcan
Battery life
Efficiency of battery consumption
NanoReview Score
Overall chip score
Key Differences
Pros of Qualcomm Snapdragon 855
- Has a smaller size transistor (7 versus 10 nm)
- Shows better (up to 30%) AnTuTu 9 score – 525K vs 403K
- Announced 1-year later
- Performs 24% better in floating-point computations
- Supports 14% higher memory bandwidth (34.1 against 29.8 GB/s)
Pros of Qualcomm Snapdragon 845
- Higher GPU frequency (~21%)
- Better instruction set architecture
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Benchmarks
Performance tests in popular benchmarksAnTuTu 9
| CPU | 141867 | 102331 |
| GPU | 190734 | 154456 |
| Memory | 79792 | 57724 |
| UX | 111311 | 87647 |
| Total score | 525405 | 403323 |
GeekBench 5
Single-Core Score
Multi-Core Score
| Image compression | 153.4 Mpixels/s | 124.7 Mpixels/s |
| Face detection | 21 images/s | 20.4 images/s |
| Speech recognition | 45.7 words/s | 33.6 words/s |
| Machine learning | 48 images/s | 35.3 images/s |
| Camera shooting | 26.2 images/s | 19.8 images/s |
| HTML 5 | 1.44 Mnodes/s | 2.62 Mnodes/s |
| SQLite | 846.9 Krows/s | 667.1 Krows/s |
3DMark
3DMark Wild Life Performance
| Stability | 88% | 81% |
| Graphics test | 18 FPS | 8 FPS |
| Score | 3007 | 1437 |
Gaming
| PUBG Mobile | 58 FPS [Ultra] |
53 FPS [Ultra] |
| Call of Duty: Mobile | 56 FPS [Ultra] |
55 FPS [High] |
| Fortnite | 28 FPS [Ultra] |
28 FPS [Ultra] |
| Shadowgun Legends | 51 FPS [Ultra] |
48 FPS [High] |
| World of Tanks Blitz | 59 FPS [Ultra] |
60 FPS [Ultra] |
| Mobile Legends: Bang Bang | 57 FPS [Ultra] |
56 FPS [Ultra] |
| Device | Xiaomi Mi 9T Pro 1080 x 2340 |
Xiaomi Pocophone F1 1080 x 2246 |
We provide average results. FPS may differ, depending on game version, OS and other factors.
Specifications
Full list of technical specifications of Snapdragon 855 and Snapdragon 845CPU
| Architecture | 1x 2.84 GHz – Cortex-A76 (Kryo 485 Gold) 3x 2.42 GHz – Cortex-A76 (Kryo 485 Gold) 4x 1.8 GHz – Cortex-A55 (Kryo 485 Silver) |
4x 2.8 GHz – Kryo 385 Gold (Cortex-A75) 4x 1.8 GHz – Kryo 385 Silver (Cortex-A55) |
| Cores | 8 | 8 |
| Frequency | 2840 MHz | 2800 MHz |
| Instruction set | ARMv8.1-A | ARMv8.2-A |
| L1 cache | 384 KB | 256 KB |
| L2 cache | 768 KB | 1.5 MB |
| L3 cache | 2 MB | 2 MB |
| Process | 7 nanometers | 10 nanometers |
| Transistor count | 6.7 billion | 3 billion |
| TDP | 10 W | 9 W |
Graphics
| GPU name | Adreno 640 | Adreno 630 |
| Architecture | Adreno 600 | Adreno 600 |
| GPU frequency | 585 MHz | 710 MHz |
| Execution units | 2 | 2 |
| Shading units | 384 | 256 |
| FLOPS | 899 Gigaflops | 727 Gigaflops |
| Vulkan version | 1.1 | 1.0 |
| OpenCL version | 2.0 | 2.0 |
| DirectX version | 12 | 12 |
Memory
| Memory type | LPDDR4X | LPDDR4X |
| Memory frequency | 2133 MHz | 1866 MHz |
| Bus | 4x 16 Bit | 2x 32 Bit |
| Max bandwidth | 34.1 Gbit/s | 29.8 Gbit/s |
| Max size | 16 GB | 8 GB |
Multimedia (ISP)
| Neural processor (NPU) | Hexagon 690 | Hexagon 685 |
| Storage type | UFS 3.0 | UFS 2.1 |
| Max display resolution | 3840 x 2160 | 3840 x 2160 |
| Max camera resolution | 1x 192MP, 2x 22MP | 1x 32MP, 2x 16MP |
| Video capture | 4K at 120FPS | 4K at 60FPS |
| Video playback | 8K at 30FPS, 4K at 120FPS | 4K at 120FPS |
| Video codecs | H.264, H.265, VP8, VP9 | H.264, H.265, VP9 |
| Audio codecs | AAC, AIFF, CAF, MP3, MP4, WAV | AAC, AIFF, CAF, MP3, MP4, WAV |
Connectivity
| Modem | X24 LTE, X50 5G | X20 LTE |
| 4G support | LTE Cat. 20 | LTE Cat. 18 |
| 5G support | Yes | No |
| Download speed | Up to 2000 Mbps | Up to 1200 Mbps |
| Upload speed | Up to 316 Mbps | Up to 150 Mbps |
| Wi-Fi | 6 | 5 |
| Bluetooth | 5.0 | 5.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, SBAS | GPS, GLONASS, Beidou, Galileo, QZSS, SBAS |
Info
| Announced | December 2018 | December 2017 |
| Class | Flagship | Flagship |
| Model number | SM8150 | SDM845 |
| Official page | Qualcomm Snapdragon 855 official site | Qualcomm Snapdragon 845 official site |
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