AMD Radeon R9 M290 vs Apple Radeon Pro 555 Full Specs
1,024 Shaders 975MHz | 768 Shaders 850MHz |
4GB GDDR5174.7GB/s | 2GB GDDR581.6GB/s |
·· 2 TFLOPS | ·· 1.31 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 80W | TDP 35W |
Clock Speed ··· | Clock Speed ·· |
Peak OPS 2 TFLOPSFP32 | Peak OPS 1.31 TFLOPSFP16 |
FP32 2 TFLOPS | FP32 1.31 TFLOPS |
FP64 124.8 GFLOPS | FP64 81.6 GFLOPS |
Pixel Rate 31.2 GPixel/s | Pixel Rate 13.6 GPixel/s |
Texture Rate 62.4 GTexel/s | Texture Rate 40.8 GTexel/s |
Shaders 1,024 Shaders | Shaders 768 Shaders |
TMUs 64 TMUs | TMUs 48 TMUs |
ROPs 32 ROPs | ROPs 16 ROPs |
CUs 16 CUs | CUs 12 CUs |
Base Clock 850MHz | Base Clock - |
Boost Clock 975MHz | Boost Clock 850MHz |
L2 Cache 512KB shared | L2 Cache 1MB shared |
4GB GDDR5 | 2GB GDDR5 |
Memory Bus 256-bit | Memory Bus 128-bit |
Memory Speed 5.5GT/s | Memory Speed 5.1GT/s |
Memory Bandwidth 174.7GB/s | Memory Bandwidth 81.6GB/s |
ECC No | ECC No |
TDP 80W | TDP 35W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP - | HDCP HDCP 2.2 |
Encoder Model VCE 1.0 | Encoder Model VCE 3.4 |
Codec AVC (H.264) - | Codec AVC (H.264) HEVC (H.265) |
Decoder Model UVD 4.0 | Decoder Model UVD 6.3 |
Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 AVC (H.264) - | Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 AVC (H.264) HEVC (H.265) |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Pitcairn | Codename Baffin |
Chip Variant Pitcairn Pro | Chip Variant Polaris 21 XL |
Market Segment Laptop | Market Segment Laptop |
Release Date May 31, 2014 | Release Date Jun 6, 2017 |
Foundry TSMC | Foundry GlobalFoundries |
Fabrication Node 28nm | Fabrication Node 14LPP |
Die Size 212mm² | Die Size 123mm² |
Transistor Count 2.8 Billion | Transistor Count 3 Billion |
Transistor Density 13.21 MTr/mm² | Transistor Density 24.39 MTr/mm² |