AMD Radeon R5 4CU 800MHz GCN 3 vs AMD Radeon R4 3CU 655MHz GCN 3 Full Specs
256 Shaders 800MHz | 192 Shaders 655MHz |
Shared Memory38.4GB/s · | Shared Memory17.1GB/sDDR4 |
·· 409.6 GFLOPS | ·· 251.5 GFLOPS |
Form Factor iGPU | Form Factor iGPU |
TDP Shared | TDP Shared |
Clock Speed ·· | Clock Speed ·· |
Peak OPS 409.6 GFLOPSFP16 | Peak OPS 251.5 GFLOPSFP16 |
FP32 409.6 GFLOPS | FP32 251.5 GFLOPS |
FP64 25.6 GFLOPS | FP64 15.72 GFLOPS |
Pixel Rate 6.4 GPixel/s | Pixel Rate 5.2 GPixel/s |
Texture Rate 12.8 GTexel/s | Texture Rate 7.9 GTexel/s |
Shaders 256 Shaders | Shaders 192 Shaders |
TMUs 16 TMUs | TMUs 12 TMUs |
ROPs 8 ROPs | ROPs 8 ROPs |
CUs 4 CUs | CUs 3 CUs |
Boost Clock 800MHz | Boost Clock 655MHz |
L2 Cache 256KB shared | L2 Cache 128KB shared |
Shared Memory · | Shared MemoryDDR4 |
Memory Bus 128-bit | Memory Bus 64-bit |
Memory Speed 2.4GT/s | Memory Speed 2.1GT/s |
Memory Bandwidth 38.4GB/s | Memory Bandwidth 17.1GB/s |
ECC No | ECC No |
Multi-Monitor 3 | Multi-Monitor 3 |
Encoder Model VCE 3.1 | Encoder Model VCE 3.4 |
Codec AVC (H.264) HEVC (H.265) | Codec AVC (H.264) HEVC (H.265) |
Decoder Model UVD 6.0 | Decoder Model UVD 6.2 |
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 AVC (H.264) HEVC (H.265) | Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 AVC (H.264) HEVC (H.265) |
Form Factor iGPU | Form Factor iGPU |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 125mm² | Die Size 125mm² |
Transistor Count 1.2 Billion | Transistor Count 1.2 Billion |
Transistor Density 10 MTr/mm² | Transistor Density 10 MTr/mm² |