NVIDIA GeForce GT 630M vs NVIDIA GeForce GT 750M
Graphics Processor
| GPU model | GF108 | GK107 |
|---|---|---|
| GPU variant | N12P-GS-A1 | N14P-GT |
| Architecture | Fermi | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 585 million | 1,270 million |
| Die size | 116 mm² | 118 mm² |
Mobile graphics
| Release date | Mar 22nd, 2012 | Jan 9th, 2013 |
|---|---|---|
| Generation | GeForce 600M | GeForce 700M |
| Production | End-of-life | End-of-life |
| Interface | MXM-A (3.0) | PCIe 3.0 x16 |
| Predecessor | GeForce 500M | GeForce 600M |
| Successor | GeForce 700M | GeForce 800M |
Clocks
| GPU clock | 660 MHz | — |
|---|---|---|
| Shader clock | 1320 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | 1003 MHz 4 Gbps effective |
| Base clock | — | 941 MHz |
| Boost clock | — | 967 MHz |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | DDR3 | GDDR5 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 14.40 GB/s | 64.19 GB/s |
Render Configuration
| Shading units | 96 | 384 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 4 | 16 |
| SM count | 2 | — |
| Cache L1 | 64 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 128 KB | 256 KB |
| SMX count | — | 2 |
Performance
| Pixel rate | 2.640 GPixel/s | 7.736 GPixel/s |
|---|---|---|
| Texture rate | 10.56 GTexel/s | 30.94 GTexel/s |
| FP32 (float) performance | 253.4 GFLOPS | 742.7 GFLOPS |
| FP64 (double) performance | 21.12 GFLOPS (1:12) | 30.94 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | 33 W | 50 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 2.1 | 3.0 |
| Shader model | 5.1 | 5.1 |
