NVIDIA GeForce GT 650M Mac 1GB vs NVIDIA GeForce GTX 680M Full Specs
384 Shaders 900MHz | 1,344 Shaders 719MHz |
1GB GDDR580.3GB/s | 4GB GDDR5115.2GB/s |
·· 691.2 GFLOPS | ·· 1.93 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 45W | TDP 100W |
GeForce GT 650M Mac 1GB691.2 GFLOPSFP32GeForce GTX 680M1.93 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 691.2 GFLOPSFP32 | Peak OPS 1.93 TFLOPSFP32 |
FP32 691.2 GFLOPS | FP32 1.93 TFLOPS |
FP64 28.8 GFLOPS | FP64 80.52 GFLOPS |
Pixel Rate 14.4 GPixel/s | Pixel Rate 23 GPixel/s |
Texture Rate 28.8 GTexel/s | Texture Rate 80.5 GTexel/s |
Shaders 384 Shaders | Shaders 1,344 Shaders |
TMUs 32 TMUs | TMUs 112 TMUs |
ROPs 16 ROPs | ROPs 32 ROPs |
SMs 2 SMs | SMs 7 SMs |
Boost Clock 900MHz | Boost Clock 719MHz |
L2 Cache 256KB shared | L2 Cache 512KB shared |
1GB GDDR5 | 4GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 5GT/s | Memory Speed 3.6GT/s |
Memory Bandwidth 80.3GB/s | Memory Bandwidth 115.2GB/s |
TDP 45W | TDP 100W |
Multi-Monitor 2 | Multi-Monitor 2 |
Encoder Model NVENC 1 | Encoder Model NVENC 1 |
Decoder Model NVDEC 1 | Decoder Model NVDEC 1 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NVE7 | Codename NVE4 |
Chip Variant - | Chip Variant GK104-200-KD-A2 |
Market Segment Laptop | Market Segment Laptop |
Release Date Mar 22, 2012 | Release Date Jun 4, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 118mm² | Die Size 294mm² |
Transistor Count 1.3 Billion | Transistor Count 3.5 Billion |
Transistor Density 10.76 MTr/mm² | Transistor Density 12.04 MTr/mm² |
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