Qualcomm Snapdragon 6 Gen 4 vs Qualcomm Snapdragon 821
48
out 100
VS
23
out 100
Compared 2 processors: Qualcomm Snapdragon 6 Gen 4, 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 | 258336 | 54955 |
| GPU | 183669 | 83353 |
| Memory | 138904 | 61751 |
| UX | 176993 | 63395 |
| NanoReview Score | 757902 | 263454 |
| Graphics Test | n/a | 5 fps |
| File Compression | 154.3 MB/s | 43.4 MB/s |
| HTML5 Browser | 81.6 pages/s | 26.6 pages/s |
| PDF Rendering | 109.9 MP/sec | 35.3 MP/sec |
| Background Blur | 11.7 frames/s | 1.79 frames/s |
| Photo Processing | 25 frames/s | 7.1 frames/s |
| Image Detection | 55.8 frames/s | 9.82 frames/s |
| HDR | 93 MP/sec | 35.1 MP/sec |
| Ray Tracing | 4.14 MP/sec | 993.9 MP/sec |
Processor
| Architecture | - 1x 2.3 GHz – Kryo Prime (Cortex-A720) - 3x 2.2 GHz – Kryo Gold (Cortex-A720) - 4x 1.8 GHz – Kryo Silver (Cortex-A520) |
- 2x 2.342 GHz – Kryo - 2x 1.6 GHz – Kryo |
| Process | TSMC | Samsung |
| Cores count | 8 | 4 |
| Frequency | 2300 | 2342 |
| Instruction set | ARMv9-A | ARMv8-A |
| L1 cache | n/a | 64 KB |
| L2 cache | n/a | 1 MB |
| Process tech. | 4 nm | 14 nm |
| Transistor count | n/a | 2 billion |
| Power (TDP) | n/a | 11 W |
Graphics
| GPU Model | Adreno 810 | Adreno 530 |
| Architecture | Adreno 800 | Adreno 500 |
| GPU Frequency | 895 MHz | 653 MHz |
| Execution Units | 2 | 1 |
| Shader Units | 128 | 256 |
| Total shader | 256 | 256 |
| FLOPS | 458.2 GFLOPS | 334.3 GFLOPS |
| Vulkan | 1.3 | 1.0 |
| OpenCL | 3.0 | 2.0 |
| DirectX | 12.1 | 11 |
AI Acceleration
| Artificial Intelligence | Yes | Hexagon 680 |
Memory
| Memory Type | LPDDR5 | LPDDR4 |
| Memory Frequency | 3200 MHz | 1866 MHz |
| Bus | 2x16 bit | 4x16 bit |
| Bandwidth | 25.6 Gbit/s | 29.8 Gbit/s |
| Max RAM | 16 GB | 8 GB |
Multimedia
| Memory Type | - UFS 2.2 - UFS 3.1 |
- eMMC 5.1 - UFS 2.0 |
| Max. resolution | 3360x1600 pixels | 3840x2160 pixels |
| Camera | 1x200 pixels | 1x28 pixels |
| Video recording | 4K at 30FPS | 4K at 30FPS |
| Video quality | 4K at 30FPS | 4K at 30FPS |
| Video codecs | - H.264 - H.265 - VP9 |
- H.264 - H.265 - VP8 - VP9 |
| Audio codecs | - AAC - AIFF - CAF - MP3 - MP4 - WAV |
- AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| Modem | Qualcomm X62 5G | X12 |
| 4G Support | LTE Cat. 18 | LTE Cat. 12 |
| 5G Support | Yes | No |
| Download speed | Up to 2900 MB/s | Up to 600 MB/s |
| Upload speed | Up to 1600 MB/s | Up to 150 MB/s |
| Wi-Fi version | 6 | 5 |
| Bluetooth version | 5.4 | 4.1 |
| Navigation | - GPS - GLONASS - Beidou - Galileo - QZSS - NAVIC |
- GPS - GLONASS - Beidou - Galileo |
Other
| Announced | February, 2025 yr | August, 2016 yr |
| Class | Mid-range | Flagship |
| Codename | SM6650 | MSM8996 Pro-AC |
Results
After analyzing the data, we consider Qualcomm Snapdragon 6 Gen 4 the clear winner in this comparison.
Survey
Total Votes: 0
