Qualcomm Snapdragon 660 vs Qualcomm Snapdragon 821
Which processor is better? We compared Qualcomm Snapdragon 660 with Qualcomm Snapdragon 821. Compare, analyze the specifications. Find out their scores in popular benchmarks (AnTuTu 10, GeekBench 6 Single-Core, GeekBench 6 Multi-Core) and who is the winner?
AnTuTu 10
Total Score
GeekBench 6 Single-Core
Score
GeekBench 6 Multi-Core
Score
CPU cores and architecture
Architecture | 4x 2.2 GHz – Cortex-A73 (Kryo 260 Gold) 4x 1.8 GHz – Cortex-A53 (Kryo 260 Silver) |
4x 2.4 GHz – Kryo 4x 1.6 GHz – Kryo |
Number of cores | 8 | 8 |
Instruction Set | ARMv8-A | ARMv8-A |
Lithography | 14 nm | 14 nm |
Number of transistors | 2000 million | |
TDP | 5 Watt | 11 Watt |
Neural Processing | Qualcomm Hexagon 680 | Qualcomm Hexagon 680 |
Memory (RAM)
Max amount | up to 8 GB | up to 8 GB |
Memory type | LPDDR4X | LPDDR4 |
Memory frequency | 1866 MHz | 1866 MHz |
Memory-bus | 2x16 bit | 2x16 bit |
Storage
Storage specification | UFS 2.1 | UFS 2.0 |
Graphics
GPU name | Adreno 512 | Adreno 530 |
GPU Architecture | Adreno 500 | Adreno 500 |
GPU frequency | 850 MHz | 650 MHz |
Execution units | 1 | 2 |
Shaders | 128 | 256 |
DirectX | 12 | 11.2 |
OpenCL API | 2.0 | 2.0 |
OpenGL API | ES 3.2 | ES 3.1 |
Vulkan API | 1.1 | 1.0 |
Camera, Video, Display
Max screen resolution | 2560x1600 | 3840x2160 |
Max camera resolution | 1x 25MP, 2x 16MP | 1x 28MP, 2x |
Max Video Capture | 4K@30fps | 4K@30fps |
Video codec support | H.264 (AVC) H.265 (HEVC) VP8 VP9 |
H.264 (AVC) H.265 (HEVC) |
Wireless
4G network | Yes | Yes |
5G network | Yes | Yes |
Peak Download Speed | 0.6 Gbps | 0.6 Gbps |
Peak Upload Speed | 0.15 Gbps | 0.15 Gbps |
Wi-Fi | 5 (802.11ac) | 5 (802.11ac) |
Bluetooth | 5.0 | 4.1 |
Satellite navigation | BeiDou GPS Galileo GLONASS QZSS SBAS |
BeiDou GPS Galileo GLONASS |
Supplemental Information
Launch Date | 2017 Quarter 2 | 2016 Quarter 3 |
Partnumber | SDM660 | MSM8996 Pro-AB, MSM8996 Pro-AC |
Vertical Segment | Mobiles | Mobiles |
Positioning | Mid-end | Flagship |
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