AMD RX-427NB vs AMD RX-421BD Full Specs
2 Cores 4 Threads 2.7GHz | 2 Cores 4 Threads 2.1GHz |
TDP 35W | TDP 35W |
Bandwidth 34.1GB/s DDR4 | Bandwidth 38.4GB/s DDR4 |
iGPU - | iGPU |
·· - | ·· 819.2 GFLOPSFP16 |
Socket | Socket |
2 Cores | 2 Cores |
4 Threads | 4 Threads |
Base Clock 2.7GHz | Base Clock 2.1GHz |
Boost Clock 3.6GHz | Boost Clock 3.4GHz |
Overclocking Locked | Overclocking Locked |
L1i 96KB | L1i 96KB |
L1d 16KB | L1d 32KB |
L2 2MB | L2 1MB |
Type DDR4 | Type DDR4 |
Max Memory 64GB | Max Memory 64GB |
ECC Yes | ECC Yes |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 2133MT/s | Speed 2400MT/s |
Bandwidth 34.1GB/s | Bandwidth 38.4GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 35W | TDP 35W |
cTDP-down 30W | cTDP-down 12W |
Max Operating Temp 100°C Max | Max Operating Temp 90°C Max |
Bus Type UMI | Bus Type PCIe |
Bus Config 4 lanes | Bus Config 4 lanes |
Bus Speed 4GT/s | Bus Speed 8GT/s |
Bus Bandwidth 2GB/s | Bus Bandwidth 4GB/s |
PCIe PCIe 3.0 x2019.7GB/sBandwidth | PCIe PCIe 3.0 x87.9GB/sBandwidth |
iGPU - | iGPU |
Shaders - | Shaders 512 |
Boost Clock - | Boost Clock 800MHz |
·· - | ·· 819.2 GFLOPSFP16 |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 245mm² | Die Size 250mm² |
Transistor Count 2.4 Billion | Transistor Count 3.1 Billion |
Transistor Density 10 MTr/mm² | Transistor Density 12 MTr/mm² |
