NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA Playstation 3 GPU 40nm
Graphics Processor
| GPU model | GF116 | RSX-40nm |
|---|---|---|
| GPU variant | GF116-150-A1 | RSX-CXD5302 |
| Architecture | Fermi 2.0 | Curie |
| Foundry | TSMC | Sony |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 1,170 million | 302 million |
| Die size | 238 mm² | 114 mm² |
Graphics Card
| Release date | Apr 24th, 2012 | Oct 4th, 2012 |
|---|---|---|
| Generation | GeForce 600 | Console GPU |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | IGP |
| Predecessor | GeForce 500 | — |
| Successor | GeForce 700 | — |
| Launch price | — | 399 USD |
Clocks
| GPU clock | 720 MHz | 550 MHz |
|---|---|---|
| Shader clock | 1440 MHz | — |
| Memory clock | 800 MHz 1600 Mbps effective | 650 MHz 1300 Mbps effective |
Memory Configuration
| Memory size | 1536 MB | 256 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 192 bit | 128 bit |
| Bandwidth | 38.40 GB/s | 20.80 GB/s |
Render Configuration
| Shading units | 144 | — |
|---|---|---|
| TMUs | 24 | 24 |
| ROPs | 24 | 8 |
| SM count | 3 | — |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 384 KB | — |
| Pixel shaders | — | 24 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 4.320 GPixel/s | 4.400 GPixel/s |
|---|---|---|
| Texture rate | 17.28 GTexel/s | 13.20 GTexel/s |
| FP32 (float) performance | 414.7 GFLOPS | — |
| FP64 (double) performance | 34.56 GFLOPS (1:12) | — |
| 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 | 75 W | 35 W |
| Suggested PSU | 250 W | 350 W |
| Outputs | 2x DVI1x mini-HDMI | No outputs |
| Power connectors | None | — |
| Board number | P1062 | — |
| 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 | 1.1 | — |
| Vulkan | — | — |
| CUDA | 2.1 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 3.0 |
| Vertex shader | — | 3.0 |
