Apple Radeon Pro 555 vs Apple Radeon Pro 555X Full Specs
768 Shaders 850MHz | 768 Shaders 907MHz |
2GB GDDR581.6GB/s | 4GB GDDR594.4GB/s |
·· 1.31 TFLOPS | ·· 1.39 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 35W | TDP 35W |
Clock Speed ·· | Clock Speed ·· |
Peak OPS 1.31 TFLOPSFP16 | Peak OPS 1.39 TFLOPSFP16 |
FP32 1.31 TFLOPS | FP32 1.39 TFLOPS |
FP64 81.6 GFLOPS | FP64 87.07 GFLOPS |
Pixel Rate 13.6 GPixel/s | Pixel Rate 14.5 GPixel/s |
Texture Rate 40.8 GTexel/s | Texture Rate 43.5 GTexel/s |
Shaders 768 Shaders | Shaders 768 Shaders |
TMUs 48 TMUs | TMUs 48 TMUs |
ROPs 16 ROPs | ROPs 16 ROPs |
CUs 12 CUs | CUs 12 CUs |
Boost Clock 850MHz | Boost Clock 907MHz |
L2 Cache 1MB shared | L2 Cache 1MB shared |
2GB GDDR5 | 4GB GDDR5 |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 5.1GT/s | Memory Speed 5.9GT/s |
Memory Bandwidth 81.6GB/s | Memory Bandwidth 94.4GB/s |
ECC No | ECC No |
TDP 35W | TDP 35W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP HDCP 2.2 | HDCP HDCP 2.2 |
Encoder Model VCE 3.4 | Encoder Model VCE 3.4 |
Codec AVC (H.264) HEVC (H.265) | Codec AVC (H.264) HEVC (H.265) |
Decoder Model UVD 6.3 | Decoder Model UVD 6.3 |
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 Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Baffin | Codename Baffin |
Chip Variant Polaris 21 XL | Chip Variant Polaris 21 XL |
Market Segment Laptop | Market Segment Laptop |
Release Date Jun 6, 2017 | Release Date Jul 16, 2018 |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 14LPP | Fabrication Node 14LPP |
Die Size 123mm² | Die Size 123mm² |
Transistor Count 3 Billion | Transistor Count 3 Billion |
Transistor Density 24.39 MTr/mm² | Transistor Density 24.39 MTr/mm² |