Intel Atom Z2420 vs UNISOC SC6821 Full Specs
1 Core 2 Threads 1.2GHz | 1 Core 1 Thread 1GHz |
TDP 3W | TDP 5W |
Bandwidth 6.4GB/s LPDDR2 | Bandwidth 1.6GB/s DDR |
iGPU | iGPU |
·· 6.4 GFLOPSFP32 | ·· 3.2 GFLOPSFP32 |
Socket | Socket - |
1 Core | 1 Core |
2 Threads | 1 Threads |
Base Clock 1.2GHz | Base Clock 1GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 32KB |
L1d 24KB | L1d 32KB |
L2 512KB | L2 256KB |
Type LPDDR2 | Type DDR |
Max Memory 1GB | Max Memory - |
ECC No | ECC No |
Channels 2 | Channels 1 |
Bus Width 64-bit | Bus Width 32-bit |
Speed 800MT/s | Speed 400MT/s |
Bandwidth 6.4GB/s | Bandwidth 1.6GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 3W | TDP 5W |
iGPU | iGPU |
Shaders 8 | Shaders 4 |
Boost Clock 400MHz | Boost Clock 400MHz |
·· 6.4 GFLOPSFP32 | ·· 3.2 GFLOPSFP32 |
Modem Model - | Modem Model UNISOC GPRS |
Peak Down - | Peak Down Up to 0.04Mbps |
Peak Up - | Peak Up Up to 0.04Mbps |
Foundry Intel | Foundry Samsung |
Fabrication Node 32nm | Fabrication Node 45nm |
Die Size 66mm² | Die Size - |
Transistor Count 176 Million | Transistor Count - |
Transistor Density 3 MTr/mm² | Transistor Density - |



