Qualcomm Snapdragon 820 vs Qualcomm Snapdragon 821 Full Specs
4 Cores(2P+2E) 4 Threads(2P+2E) 2.15GHz | 4 Cores(2P+2E) 4 Threads(2P+2E) 2.15GHz |
TDP 5W | TDP 5W |
Bandwidth 29.9GB/s LPDDR4 | Bandwidth 29.9GB/s LPDDR4 |
iGPU | iGPU |
·· 639 GFLOPSFP16 | ·· 639 GFLOPSFP16 |
4 Cores 2P 2E | 4 Cores 2P 2E |
4 Threads 2P 2E | 4 Threads 2P 2E |
Base Clock 2.15GHz | Base Clock 2.15GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB P 32KB E | L1i 32KB P 32KB E |
L1d 32KB P 32KB E | L1d 32KB P 32KB E |
L2 1MB P shared 512KB E shared | L2 1MB P shared 512KB E shared |
Type LPDDR4 | Type LPDDR4 |
Max Memory 8GB | Max Memory 8GB |
ECC No | ECC No |
Channels 4 | Channels 4 |
Bus Width 64-bit | Bus Width 64-bit |
Speed 3733MT/s | Speed 3733MT/s |
Bandwidth 29.9GB/s | Bandwidth 29.9GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 5W | TDP 5W |
iGPU | iGPU |
Shaders 256 | Shaders 256 |
Boost Clock 624MHz | Boost Clock 624MHz |
·· 639 GFLOPSFP16 | ·· 639 GFLOPSFP16 |
NPU Model Hexagon 680 | NPU Model Hexagon 680 |
NPU Clock 1GHz | NPU Clock 1GHz |
Modem Model X12 | Modem Model X12 |
Peak Down Up to 600Mbps | Peak Down Up to 600Mbps |
Peak Up Up to 150Mbps | Peak Up Up to 150Mbps |
Foundry TSMC | Foundry Samsung |
Fabrication Node N6 | Fabrication Node 14LPP |
