AMD Radeon R5 4CU 553MHz GCN 2 vs Imagination PowerVR GX6450 A8 Full Specs
256 Shaders 553MHz | 128 Shaders 475MHz |
Shared Memory29.9GB/sDDR3 | Shared Memory12.8GB/sLPDDR3 |
·· 283.1 GFLOPS | ·· 121.6 GFLOPS |
Form Factor iGPU | Form Factor iGPU |
TDP Shared | TDP Shared |
Clock Speed ·· | Clock Speed ·· |
Peak OPS 283.1 GFLOPSFP16 | Peak OPS 243.2 GFLOPSFP16 |
FP32 283.1 GFLOPS | FP32 121.6 GFLOPS |
FP64 17.7 GFLOPS | FP64 7.6 GFLOPS |
Pixel Rate 4.4 GPixel/s | Pixel Rate 3.8 GPixel/s |
Texture Rate 8.8 GTexel/s | Texture Rate 3.8 GTexel/s |
Shaders 256 Shaders | Shaders 128 Shaders |
TMUs 16 TMUs | TMUs 8 TMUs |
ROPs 8 ROPs | ROPs 8 ROPs |
CUs 4 CUs | EUs 8 EUs |
Boost Clock 553MHz | Boost Clock 475MHz |
L2 Cache 128KB shared | L2 Cache - |
Shared MemoryDDR3 | Shared MemoryLPDDR3 |
Memory Bus 128-bit | Memory Bus 64-bit |
Memory Speed 1.9GT/s | Memory Speed 1.6GT/s |
Memory Bandwidth 29.9GB/s | Memory Bandwidth 12.8GB/s |
ECC No | ECC No |
Multi-Monitor 3 | Multi-Monitor 1 |
Encoder Model VCE 2.0 | - |
Codec AVC (H.264) | Codec - |
Decoder Model UVD 4.2 | - |
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) | Codec - |
Form Factor iGPU | Form Factor iGPU |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Spectre | Codename Series6XT |
Chip Variant Spectre SL | Chip Variant GXA6450 |
Market Segment Laptop | Market Segment Smartphone |
Release Date Jun 1, 2014 | Release Date Sep 19, 2014 |
Foundry GlobalFoundries | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 20nm |
Die Size 245mm² | Die Size 89mm² |
Transistor Count 2.4 Billion | Transistor Count 2 Billion |
Transistor Density 10 MTr/mm² | Transistor Density 22 MTr/mm² |