NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA Playstation 3 GPU 40nm
Graphics Processor
| GPU model | GK208 | RSX-40nm |
|---|---|---|
| GPU variant | GK208-400-A1 | RSX-CXD5302 |
| Architecture | Kepler 2.0 | Curie |
| Foundry | TSMC | Sony |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,020 million | 302 million |
| Die size | 87 mm² | 114 mm² |
Graphics Card
| Release date | May 29th, 2013 | Oct 4th, 2012 |
|---|---|---|
| Generation | GeForce 600 | Console GPU |
| Production | End-of-life | End-of-life |
| Launch price | 89 USD | 399 USD |
| Interface | PCIe 2.0 x8 | IGP |
| Predecessor | GeForce 500 | — |
| Successor | GeForce 700 | — |
Clocks
| GPU clock | 1046 MHz | 550 MHz |
|---|---|---|
| Memory clock | 1252 MHz 5 Gbps effective | 650 MHz 1300 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 256 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 40.06 GB/s | 20.80 GB/s |
Render Configuration
| Shading units | 384 | — |
|---|---|---|
| TMUs | 32 | 24 |
| ROPs | 8 | 8 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 24 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 8.368 GPixel/s | 4.400 GPixel/s |
|---|---|---|
| Texture rate | 33.47 GTexel/s | 13.20 GTexel/s |
| FP32 (float) performance | 803.3 GFLOPS | — |
| FP64 (double) performance | 33.47 GFLOPS (1:24) | — |
| Vertex rate | — | 1.100 GVertices/s |
Dimensions & Outputs
| Slot width | Single-slot | IGP |
|---|---|---|
| Length | 145 mm 5.7 inches | 290 mm 11.4 inches |
| TDP | 49 W | 35 W |
| Suggested PSU | 200 W | 350 W |
| Outputs | 1x DVI1x HDMI1x VGA | No outputs |
| Power connectors | None | — |
| Board number | P2131 | — |
| Width | — | 290 mm 11.4 inches |
| Height | — | 65 mm 2.6 inches |
| Weight | — | 3.2 kg (7.1 lbs) |
API Support & Features
| DirectX | 12 (11_0) | — |
|---|---|---|
| OpenGL | 4.6 | ES 1.1 |
| OpenCL | 3.0 | — |
| Vulkan | 1.1 | — |
| CUDA | 3.5 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 3.0 |
| Vertex shader | — | 3.0 |
