NVIDIA GeForce 8800 GTS 320 vs NVIDIA GeForce GTX 275
Graphics Processor
| GPU model | G80 | GT200B |
|---|---|---|
| GPU variant | G80-100-K0-A2 | G200-105-B3 |
| Architecture | Tesla | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 55 nm |
| Number of transistors | 681 million | 1,400 million |
| Die size | 484 mm² | 470 mm² |
Graphics Card
| Release date | Feb 12th, 2007 | Jan 15th, 2009 |
|---|---|---|
| Generation | GeForce 8 | GeForce 200 |
| Production | End-of-life | End-of-life |
| Launch price | 269 USD | 249 USD |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 403 in our database | 61 in our database |
| Predecessor | GeForce 7 PCIe | GeForce 9 |
| Successor | GeForce 9 | GeForce 400 |
Clocks
| GPU clock | 513 MHz | 633 MHz |
|---|---|---|
| Shader clock | 1188 MHz | 1404 MHz |
| Memory clock | 792 MHz 1584 Mbps effective | 1134 MHz 2.3 Gbps effective |
Memory Configuration
| Memory size | 320 MB | 896 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 320 bit | 448 bit |
| Bandwidth | 63.36 GB/s | 127.0 GB/s |
Render Configuration
| Shading units | 96 | 240 |
|---|---|---|
| TMUs | 24 | 80 |
| ROPs | 20 | 28 |
| SM count | 12 | 30 |
| Cache L2 | 80 KB | 224 KB |
Performance
| Pixel rate | 10.26 GPixel/s | 17.72 GPixel/s |
|---|---|---|
| Texture rate | 24.62 GTexel/s | 50.64 GTexel/s |
| FP32 (float) performance | 228.1 GFLOPS | 673.9 GFLOPS |
| FP64 (double) performance | — | 84.24 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 267 mm 10.5 inches |
| TDP | 143 W | 219 W |
| Suggested PSU | 300 W | 550 W |
| Outputs | 2x DVI1x S-Video | 2x DVI |
| Power connectors | 1x 6-pin | 2x 6-pin |
| Board number | P356 | P897 |
API Support & Features
| DirectX | 11.1 (10_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 (1.0) | 1.1 |
| Vulkan | — | — |
| CUDA | 1.0 | 1.3 |
| Shader model | 4.0 | 4.0 |
