NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce GTX 460M
Graphics Processor
| GPU model | GK107 | GF106 |
|---|---|---|
| GPU variant | N13P-GT-W-A2 | N11E-GS-A1 |
| Architecture | Kepler | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,270 million | 1,170 million |
| Die size | 118 mm² | 238 mm² |
Mobile graphics
| Release date | Jul 12th, 2012 | Sep 3rd, 2010 |
|---|---|---|
| Generation | GeForce 600M | GeForce 400M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Predecessor | GeForce 500M | GeForce 300M |
| Successor | GeForce 700M | GeForce 500M |
Clocks
| GPU clock | 900 MHz | 675 MHz |
|---|---|---|
| Memory clock | 1254 MHz 5 Gbps effective | 625 MHz 2.5 Gbps effective |
| Shader clock | — | 1350 MHz |
Memory Configuration
| Memory size | 512 MB | 1536 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 80.26 GB/s | 60.00 GB/s |
Render Configuration
| Shading units | 384 | 192 |
|---|---|---|
| TMUs | 32 | 32 |
| ROPs | 16 | 24 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SM) |
| Cache L2 | 256 KB | 384 KB |
| SM count | — | 4 |
Performance
| Pixel rate | 7.200 GPixel/s | 5.400 GPixel/s |
|---|---|---|
| Texture rate | 28.80 GTexel/s | 21.60 GTexel/s |
| FP32 (float) performance | 691.2 GFLOPS | 518.4 GFLOPS |
| FP64 (double) performance | 28.80 GFLOPS (1:24) | 43.20 GFLOPS (1:12) |
Dimensions & Outputs
| TDP | 45 W | 50 W |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.1 |
| Vulkan | 1.1 | — |
| CUDA | 3.0 | 2.1 |
| Shader model | 5.1 | 5.1 |
