Qualcomm Snapdragon 685 vs Qualcomm Snapdragon 821
31
out 100
VS
23
out 100
Compared 2 processors: Qualcomm Snapdragon 685, vs Qualcomm Snapdragon 821. 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 | 116467 | 54955 |
| GPU | 43728 | 83353 |
| Memory | 109871 | 61751 |
| UX | 78916 | 63395 |
| NanoReview Score | 348982 | 263454 |
| Stability | 99 % | n/a |
| Graphics Test | 3 fps | 5 fps |
| File Compression | 100 MB/s | 43.4 MB/s |
| HTML5 Browser | 39.7 pages/s | 26.6 pages/s |
| PDF Rendering | 59.8 MP/sec | 35.3 MP/sec |
| Background Blur | 3.44 frames/s | 1.79 frames/s |
| Photo Processing | 11 frames/s | 7.1 frames/s |
| Image Detection | 17 frames/s | 9.82 frames/s |
| HDR | 52 MP/sec | 35.1 MP/sec |
| Ray Tracing | 2.76 MP/sec | 993.9 MP/sec |
Processor
| Architecture | - 4x 2.8 GHz – Cortex-A73 - 4x 1.9 GHz – Cortex-A53 |
- 2x 2.342 GHz – Kryo - 2x 1.6 GHz – Kryo |
| Process | TSMC | Samsung |
| Cores count | 8 | 4 |
| Frequency | 2800 | 2342 |
| Instruction set | ARMv8.2-A | ARMv8-A |
| L1 cache | n/a | 64 KB |
| L2 cache | n/a | 1 MB |
| Process tech. | 6 nm | 14 nm |
| Transistor count | n/a | 2 billion |
| Power (TDP) | n/a | 11 W |
Graphics
| GPU Model | Adreno 610 | Adreno 530 |
| Architecture | Adreno 600 | Adreno 500 |
| GPU Frequency | 1260 MHz | 653 MHz |
| Execution Units | 1 | 1 |
| Shader Units | 128 | 256 |
| Total shader | 128 | 256 |
| FLOPS | 322.6 GFLOPS | 334.3 GFLOPS |
| Vulkan | 1.1 | 1.0 |
| OpenCL | 2.0 | 2.0 |
| DirectX | 12.1 | 11 |
AI Acceleration
| Artificial Intelligence | Hexagon 686 | Hexagon 680 |
Memory
| Memory Type | LPDDR4X | LPDDR4 |
| Memory Frequency | 2133 MHz | 1866 MHz |
| Bus | 2x16 bit | 4x16 bit |
| Bandwidth | 17 Gbit/s | 29.8 Gbit/s |
| Max RAM | 8 GB | 8 GB |
Multimedia
| Memory Type | UFS 2.2 | - eMMC 5.1 - UFS 2.0 |
| Max. resolution | 2520x1080 pixels | 3840x2160 pixels |
| Camera | 1x108 pixels | 1x28 pixels |
| Video recording | 1K at 60FPS | 4K at 30FPS |
| Video quality | 1080p at 60FPS | 4K at 30FPS |
| Video codecs | - H.264 - H.265 - VP8 - VP9 |
- H.264 - H.265 - VP8 - VP9 |
| Audio codecs | - AIFF - CAF - MP3 - MP4 - WAV |
- AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| Modem | X11 | X12 |
| 4G Support | LTE Cat. 13 | LTE Cat. 12 |
| 5G Support | No | No |
| Download speed | Up to 390 MB/s | Up to 600 MB/s |
| Upload speed | Up to 150 MB/s | Up to 150 MB/s |
| Wi-Fi version | 5 | 5 |
| Bluetooth version | 5.2 | 4.1 |
| Navigation | - GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC |
- GPS - GLONASS - Beidou - Galileo |
Other
| Announced | March, 2023 yr | August, 2016 yr |
| Class | Low end | Flagship |
| Codename | SM6225-AD | MSM8996 Pro-AC |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 0
