Intel HD 4000 1050MHz vs NVIDIA GeForce GT 640M Mac Full Specs
128 Shaders 1.05GHz | 384 Shaders 625MHz |
Shared Memory25.6GB/s · | 512MB GDDR564GB/s placeholder |
·· 268.8 GFLOPS | ·· 480 GFLOPS |
Form Factor iGPU | Form Factor Soldered |
TDP Shared | TDP 32W |
Clock Speed ··· | Clock Speed ·· |
Peak OPS 268.8 GFLOPSFP32 | Peak OPS 480 GFLOPSFP32 |
FP32 268.8 GFLOPS | FP32 480 GFLOPS |
FP64 67.2 GFLOPS | FP64 20 GFLOPS |
Pixel Rate 2.1 GPixel/s | Pixel Rate 10 GPixel/s |
Texture Rate 16.8 GTexel/s | Texture Rate 20 GTexel/s |
Shaders 128 Shaders | Shaders 384 Shaders |
TMUs 16 TMUs | TMUs 32 TMUs |
ROPs 2 ROPs | ROPs 16 ROPs |
EUs 16 EUs | SMs 2 SMs |
Base Clock 350MHz | Base Clock - |
Boost Clock 1.05GHz | Boost Clock 625MHz |
L2 Cache - | L2 Cache 256KB shared |
Shared Memory · | 512MB GDDR5 placeholder |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 1.6GT/s | Memory Speed 4GT/s |
Memory Bandwidth 25.6GB/s | Memory Bandwidth 64GB/s |
ECC No | ECC No |
TDP Shared | TDP 32W |
Multi-Monitor 2 | Multi-Monitor 3 |
Encoder Model Quick Sync Video 2 | Encoder Model NVENC 1 |
Codec AVC (H.264) | Codec AVC (H.264) |
Decoder Model Quick Sync Video 2 | Decoder Model NVDEC 1 |
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 AVC (H.264) | Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 AVC (H.264) |
Form Factor iGPU | Form Factor Soldered |
Foundry Intel | Foundry TSMC |
Fabrication Node 22nm | Fabrication Node 28nm |
Die Size 118mm² | Die Size 118mm² |
Transistor Count 945 Million | Transistor Count 1.3 Billion |
Transistor Density 8 MTr/mm² | Transistor Density 10.76 MTr/mm² |