Qualcomm Snapdragon 821 – an 4-core chipset that was announced on August 16, 2016, and is manufactured using a 14-nanometer process technology. It has 2 cores Kryo at 2342 MHz and 2 cores Kryo at 1600 MHz.
Benchmarks
Performance tests in popular benchmarks
AnTuTu 9
The AnTuTu Benchmark measures CPU, GPU, RAM, and I/O performance in different scenarios
Qualcomm Snapdragon 821
231832
| CPU |
67962 |
| GPU |
61224 |
| Memory |
43896 |
| UX |
59644 |
| Total score |
231832 |
GeekBench 5
The GeekBench test shows raw single-threaded and multithreaded CPU performance
| Image compression |
51.2 Mpixels/s |
| Face detection |
7.96 images/s |
| Speech recognition |
15.4 words/s |
| Machine learning |
14 images/s |
| Camera shooting |
10.7 images/s |
| HTML 5 |
0.71 Mnodes/s |
| SQLite |
239.7 Krows/s |
3DMark
A cross-platform benchmark that assesses graphics performance in Vulkan (Metal)
3DMark Wild Life Performance
887
| Graphics test |
5 FPS |
| Score |
887 |
Smartphones
Click on the device name to view detailed information
Specifications
Detailed specifications of the Snapdragon 821 SoC with Adreno 530 graphics
| Architecture |
2x 2.342 GHz – Kryo
2x 1.6 GHz – Kryo |
| Cores |
4 |
| Frequency |
2342 MHz |
| Instruction set |
ARMv8-A |
| L1 cache |
64 KB |
| L2 cache |
3 MB |
| Process |
14 nanometers |
| Transistor count |
2 billion |
| TDP |
11 W |
| GPU name |
Adreno 530 |
| Architecture |
Adreno 500 |
| GPU frequency |
653 MHz |
| Execution units |
2 |
| Shading units |
256 |
| FLOPS |
519 Gigaflops |
| Vulkan version |
1.0 |
| OpenCL version |
2.0 |
| DirectX version |
11.2 |
| Memory type |
LPDDR4 |
| Memory frequency |
1866 MHz |
| Bus |
4x 16 Bit |
| Max bandwidth |
29.8 Gbit/s |
| Max size |
6 GB |
| Neural processor (NPU) |
Hexagon 680 |
| Storage type |
eMMC 5.1, UFS 2.0 |
| Max display resolution |
3840 x 2160 |
| Max camera resolution |
1x 28MP, 2x 13MP |
| Video capture |
4K at 30FPS |
| Video playback |
4K at 30FPS |
| Video codecs |
H.264, H.265, VP8, VP9 |
| Audio codecs |
AIFF, CAF, MP3, MP4, WAV |
| Modem |
X12 |
| 4G support |
LTE Cat. 12 |
| 5G support |
No |
| Download speed |
Up to 600 Mbps |
| Upload speed |
Up to 150 Mbps |
| Wi-Fi |
5 |
| Bluetooth |
4.1 |
| Navigation |
GPS, GLONASS, Beidou, Galileo |
Comparison with competitors
