NVIDIA GeForce GT 630 vs NVIDIA GeForce GTX 950
Graphics Processor
| GPU model | GF108 | GM206 |
|---|---|---|
| GPU variant | GF108-400-A1 | GM206-250-A1 |
| Architecture | Fermi | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 585 million | 2,940 million |
| Die size | 116 mm² | 228 mm² |
Graphics Card
| Release date | May 15th, 2012 | Aug 20th, 2015 |
|---|---|---|
| Generation | GeForce 600 | GeForce 900 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Predecessor | GeForce 500 | GeForce 700 |
| Successor | GeForce 700 | GeForce 10 |
| Launch price | — | 159 USD |
| Reviews | — | 76 in our database |
Clocks
| GPU clock | 810 MHz | — |
|---|---|---|
| Shader clock | 1620 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | 1653 MHz 6.6 Gbps effective |
| Base clock | — | 1024 MHz |
| Boost clock | — | 1188 MHz |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | DDR3 | GDDR5 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 28.80 GB/s | 105.8 GB/s |
Render Configuration
| Shading units | 96 | 768 |
|---|---|---|
| TMUs | 16 | 48 |
| ROPs | 4 | 32 |
| SM count | 2 | — |
| Cache L1 | 64 KB (per SM) | 48 KB (per SMM) |
| Cache L2 | 256 KB | 1024 KB |
| SMM count | — | 6 |
Performance
| Pixel rate | 3.240 GPixel/s | 38.02 GPixel/s |
|---|---|---|
| Texture rate | 12.96 GTexel/s | 57.02 GTexel/s |
| FP32 (float) performance | 311.0 GFLOPS | 1.825 TFLOPS |
| FP64 (double) performance | 25.92 GFLOPS (1:12) | 57.02 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | 202 mm 8 inches |
| TDP | 65 W | 90 W |
| Suggested PSU | 250 W | 250 W |
| Outputs | 1x DVI1x HDMI1x VGA | 1x DVI1x HDMI3x DisplayPort |
| Power connectors | None | 1x 6-pin |
| Board number | P1071 | — |
API Support & Features
| DirectX | 12 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 2.1 | 5.2 |
| Shader model | 5.1 | 6.4 |
