NVIDIA GeForce GT 640M Mac vs AMD Radeon HD 6750M Mac 512MB MXM Full Specs
384 Shaders 625MHz | 480 Shaders 598MHz |
524MB GDDR564GB/s | 524MB GDDR550.8GB/s |
·· 480 GFLOPS | ·· 574.1 GFLOPS |
Form Factor Soldered | Form Factor MXM-A |
TDP 32W | TDP 35W |
GeForce GT 640M Mac480 GFLOPSFP32
Radeon HD 6750M Mac 512MB MXM574.1 GFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 480 GFLOPSFP32 | Peak OPS 574.1 GFLOPSFP32 |
FP32 480 GFLOPS | FP32 574.1 GFLOPS |
FP64 20 GFLOPS | - |
Pixel Rate 10 GPixel/s | Pixel Rate 4.8 GPixel/s |
Texture Rate 20 GTexel/s | Texture Rate 14.3 GTexel/s |
Shaders 384 Shaders | Shaders 480 Shaders |
TMUs 32 TMUs | TMUs 24 TMUs |
ROPs 16 ROPs | ROPs 8 ROPs |
SMs 2 SMs | CUs 6 CUs |
Boost Clock 625MHz | Boost Clock 598MHz |
L2 Cache 256KB shared | L2 Cache 256KB shared |
524MB GDDR5 | 524MB GDDR5 |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 4GT/s | Memory Speed 3.2GT/s |
Memory Bandwidth 64GB/s | Memory Bandwidth 50.8GB/s |
ECC No | ECC No |
TDP 32W | TDP 35W |
Multi-Monitor 3 | Multi-Monitor 2 |
Encoder Model NVENC 1 | - |
Decoder Model NVDEC 1 | Decoder Model UVD 3.0 |
Form Factor Soldered | Form Factor MXM-A |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename NVE7 | Codename Turks |
Chip Variant - | Chip Variant Turks Pro |
Market Segment Laptop | Market Segment Laptop |
Release Date Mar 22, 2012 | Release Date Jan 4, 2011 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 40nm |
Die Size 118mm² | Die Size 118mm² |
Transistor Count 1.3 Billion | Transistor Count 716 Million |
Transistor Density 10.76 MTr/mm² | Transistor Density 6.07 MTr/mm² |
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All-in-Ones | All-in-Ones |