AMD Radeon R1E 2CU 267MHz GCN 2 vs AMD Radeon R4 3CU 494MHz GCN 2 Full Specs
128 Shaders 267MHz | 192 Shaders 494MHz |
Shared Memory25.6GB/sDDR3 | Shared Memory21.3GB/sDDR3 |
·· 68.35 GFLOPS | ·· 189.7 GFLOPS |
Form Factor iGPU | Form Factor iGPU |
TDP Shared | TDP Shared |
Clock Speed ·· | Clock Speed ·· |
Peak OPS 68.35 GFLOPSFP32 | Peak OPS 189.7 GFLOPSFP16 |
FP32 68.35 GFLOPS | FP32 189.7 GFLOPS |
FP64 4.27 GFLOPS | FP64 11.86 GFLOPS |
Pixel Rate 1.1 GPixel/s | Pixel Rate 4 GPixel/s |
Texture Rate 2.1 GTexel/s | Texture Rate 5.9 GTexel/s |
Shaders 128 Shaders | Shaders 192 Shaders |
TMUs 8 TMUs | TMUs 12 TMUs |
ROPs 4 ROPs | ROPs 8 ROPs |
CUs 2 CUs | CUs 3 CUs |
Boost Clock 267MHz | Boost Clock 494MHz |
L2 Cache 64KB shared | L2 Cache 128KB shared |
Shared MemoryDDR3 | Shared MemoryDDR3 |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 1.6GT/s | Memory Speed 1.3GT/s |
Memory Bandwidth 25.6GB/s | Memory Bandwidth 21.3GB/s |
ECC No | ECC No |
Multi-Monitor 3 | Multi-Monitor 3 |
Encoder Model VCE 2.0 | Encoder Model VCE 2.0 |
Codec AVC (H.264) | Codec AVC (H.264) |
Decoder Model UVD 4.2 | Decoder Model UVD 4.2 |
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) | Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) |
Form Factor iGPU | Form Factor iGPU |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 107mm² | Die Size 245mm² |
Transistor Count 930 Million | Transistor Count 2.4 Billion |
Transistor Density 9 MTr/mm² | Transistor Density 10 MTr/mm² |