Snapdragon 820 vs Snapdragon 660
We compared the 4-core Qualcomm Snapdragon 820 (Adreno 530) with the newer 8-core Snapdragon 660 (Adreno 512) SoC. 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 820
- Supports 100% higher memory bandwidth (29.8 against 14.9 GB/s)
- Performs 58% better in floating-point computations
Pros of Qualcomm Snapdragon 660
- Has 4 more cores
- Higher GPU frequency (~27%)
- Shows slightly better (up to 4%) AnTuTu 11 score β 347K vs 333K
Benchmarks
Performance tests in popular benchmarksAnTuTu 11
| CPU | 131994 | 154446 |
| GPU | 36166 | 25654 |
| Memory | 63256 | 73588 |
| UX | 102461 | 94307 |
| Total score | 333877 | 347995 |
| Samples | Less than 3 | [3 tests] |
GeekBench 6
Single-Core Score
Multi-Core Score
| Asset compression | 28.8 MB/sec | 76.5 MB/sec |
| HTML 5 Browser | 19.7 pages/sec | 43.7 pages/sec |
| PDF Renderer | 28 Mpixels/sec | 49.7 Mpixels/sec |
| Image detection | 6.36 images/sec | 10.5 images/sec |
| HDR | 25.9 Mpixels/sec | 40 Mpixels/sec |
| Background blur | 1.39 images/sec | 1.67 images/sec |
| Photo processing | 6.33 images/sec | 8.15 images/sec |
| Ray tracing | 789.4 Mpixels/sec | 1.84 Mpixels/sec |
| Samples | Less than 3 | 5 tests |
Compute Score (GPU)
| Background blur | 1.58 images/sec | 0.55 images/sec |
| Face detection | 0.86 images/sec | 0.43 images/sec |
| Horizon detection | 0.06 Gpixels/sec | 0.02 Gpixels/sec |
| Edge detection | 0.09 Gpixels/sec | 0.02 Gpixels/sec |
| Gaussian blur | 0.05 Gpixels/sec | 0.01 Gpixels/sec |
| Feature matching | 0.01 Gpixels/sec | - |
| Stereo matching | 4.09 Gpixels/sec | 0.57 Gpixels/sec |
| Particle physics | 81.6 FPS | 35.8 FPS |
| API | OpenCL | Vulkan |
PCMark 3.0
PCMark 3.0
| Web score | 4378 | 5521 |
| Video editing score | 5152 | 5256 |
| Data manipulation score | 4144 | 5354 |
| Photo editing score | 11831 | 10096 |
| Writing score | 5024 | 6394 |
| Phones tested | - | Less than 3 |
Recent User Tests
Qualcomm Snapdragon 820
| Date | Benchmark | Result |
|---|---|---|
| π 2024-01-05 (Saber) | Geekbench 6 CPU | 356 / 615 |
Qualcomm Snapdragon 660
| Date | Benchmark | Result |
|---|---|---|
| π 2026-06-23 (Mihnea) | Geekbench 6 CPU | 359 / 1318 |
| π 2026-02-26 (4x4) | AnTuTu 11 | 341240 |
| π 2026-01-25 (Seeker) | AnTuTu 11 | 347995 |
| π 2026-01-07 (udachnik) | CPU Throttle | 87% |
| π 2024-09-15 (MαΊ«n VΔn CΓ΄ng) | Geekbench 6 CPU | 357 / 1312 |
Specifications
Full list of technical specifications of Snapdragon 820 and Snapdragon 660CPU
| Architecture | 2x 2.15 GHz β Kryo 2x 1.593 GHz β Kryo |
4x 2.2 GHz β Kryo 260 Gold (Cortex-A73) 4x 1.84 GHz β Kryo 260 Silver (Cortex-A53) |
| Cores | 4 | 8 |
| Frequency | 2150 MHz | 2200 MHz |
| Instruction set | ARMv8-A | ARMv8-A |
| L1 cache | 64 KB | - |
| L2 cache | 1 MB | 2 MB |
| Process | 14 nanometers | 14 nanometers |
| Transistor count | 2 billion | 1.75 billion |
| TDP (Sustained Power Limit) | 11 W | 5 W |
| Manufacturing | Samsung | Samsung |
Graphics
| GPU name | Adreno 530 | Adreno 512 |
| Architecture | Adreno 500 | Adreno 500 |
| GPU frequency | 510 MHz | 647 MHz |
| Pipelines | 1 | 1 |
| Shading units | 256 | 128 |
| Total shaders | 256 | 128 |
| FLOPS | 261.1 Gigaflops | 165.6 Gigaflops |
| Vulkan version | 1.0 | 1.0 |
| OpenCL version | 2.0 | 2.0 |
| DirectX version | 11 | 11 |
AI Accelerator
| Neural processor (NPU) | Hexagon 680 | Hexagon 680 |
Memory
| Memory type | LPDDR4 | LPDDR4X |
| Memory frequency | 1866 MHz | 1866 MHz |
| Bus | 2x 32 Bit | 2x 16 Bit |
| Max bandwidth | 29.8 Gb/s | 14.9 Gb/s |
| Max size | 8 GB | 8 GB |
Multimedia (ISP)
| Storage type | eMMC 5.1, UFS 2.0 | eMMC 5.1, UFS 2.1 |
| Max display resolution | 3840 x 2160 | 2560 x 1600 |
| Max camera resolution | 1x 28MP, 2x 13MP | 1x 48MP, 2x 16MP |
| Video capture | 4K at 30FPS | 4K at 30FPS |
| Video playback | 4K at 30FPS | 4K at 30FPS |
| Video codecs | - H.264 - H.265 |
- H.264 - H.265 - VP8 - VP9 |
| Audio codecs | - AIFF - CAF - MP3 - MP4 - WAV |
- AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 |
Connectivity
| Modem | X12 | X12 |
| 4G support | LTE Cat. 12 | LTE Cat. 13 |
| 5G support | No | No |
| Download speed | Up to 600 Mbps | Up to 600 Mbps |
| Upload speed | Up to 150 Mbps | Up to 150 Mbps |
| Wi-Fi | 5 | 5 |
| Bluetooth | 4.1 | 5.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, SBAS | GPS, GLONASS, Beidou, Galileo, QZSS, SBAS, NAVIC |
Info
| Announced | November 2015 | May 2017 |
| Class | Flagship | Mid range |
| Model number | MSM8996 | SDM660 |
| Official page | Qualcomm Snapdragon 820 official site | Qualcomm Snapdragon 660 official site |
| Successor | - Qualcomm Snapdragon 8 Elite Gen 5 | - Qualcomm Snapdragon 6 Gen 4 |
Cast your vote
Total votes: 300