AMD Radeon HD 6490M Mac vs AMD Radeon HD 6630M Full Specs
160 Shaders 750MHz | 480 Shaders 485MHz |
262MB GDDR525.4GB/s | 1GB DDR325.6GB/s |
·· 240 GFLOPS | ·· 465.6 GFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 25W | TDP 35W |
Radeon HD 6490M Mac240 GFLOPSFP32Radeon HD 6630M465.6 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 240 GFLOPSFP32 | Peak OPS 465.6 GFLOPSFP32 |
FP32 240 GFLOPS | FP32 465.6 GFLOPS |
Pixel Rate 3 GPixel/s | Pixel Rate 3.9 GPixel/s |
Texture Rate 6 GTexel/s | Texture Rate 11.6 GTexel/s |
Shaders 160 Shaders | Shaders 480 Shaders |
TMUs 8 TMUs | TMUs 24 TMUs |
ROPs 4 ROPs | ROPs 8 ROPs |
CUs 2 CUs | CUs 6 CUs |
Boost Clock 750MHz | Boost Clock 485MHz |
L2 Cache 128KB shared | L2 Cache 256KB shared |
262MB GDDR5 | 1GB DDR3 |
Memory Bus 64-bit | Memory Bus 128-bit |
Memory Speed 3.2GT/s | Memory Speed 1.6GT/s |
Memory Bandwidth 25.4GB/s | Memory Bandwidth 25.6GB/s |
ECC No | ECC No |
TDP 25W | TDP 35W |
Multi-Monitor 2 | Multi-Monitor 2 |
Decoder Model UVD 3.0 | Decoder Model UVD 3.0 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Caicos | Codename Turks |
Chip Variant Caicos | Chip Variant Turks Pro |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 4, 2011 | Release Date Jan 4, 2011 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 40nm | Fabrication Node 40nm |
Die Size 67mm² | Die Size 118mm² |
Transistor Count 370 Million | Transistor Count 716 Million |
Transistor Density 5.52 MTr/mm² | Transistor Density 6.07 MTr/mm² |
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Laptops | Laptops - |