NVIDIA GeForce 8800 GTX vs NVIDIA GeForce GTS 250
Graphics Processor
| GPU model | G80 | G92B |
|---|---|---|
| GPU variant | G80-300-A2 | G92-426-B1 |
| Architecture | Tesla | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 55 nm |
| Number of transistors | 681 million | 754 million |
| Die size | 484 mm² | 260 mm² |
Graphics Card
| Release date | Nov 8th, 2006 | Mar 4th, 2009 |
|---|---|---|
| Generation | GeForce 8 | GeForce 200 |
| Production | End-of-life | End-of-life |
| Launch price | 599 USD | 199 USD |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 73 in our database | 58 in our database |
| Predecessor | GeForce 7 PCIe | GeForce 9 |
| Successor | GeForce 9 | GeForce 400 |
Clocks
| GPU clock | 576 MHz | 675 MHz |
|---|---|---|
| Shader clock | 1350 MHz | 1620 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 1008 MHz 2 Gbps effective |
Memory Configuration
| Memory size | 768 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 384 bit | 256 bit |
| Bandwidth | 86.40 GB/s | 64.51 GB/s |
Render Configuration
| Shading units | 128 | 128 |
|---|---|---|
| TMUs | 32 | 64 |
| ROPs | 24 | 16 |
| SM count | 16 | 16 |
| Cache L2 | 96 KB | 64 KB |
Performance
| Pixel rate | 13.82 GPixel/s | 10.80 GPixel/s |
|---|---|---|
| Texture rate | 36.86 GTexel/s | 43.20 GTexel/s |
| FP32 (float) performance | 345.6 GFLOPS | 414.7 GFLOPS |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 270 mm 10.6 inches | 229 mm 9 inches |
| TDP | 155 W | 150 W |
| Suggested PSU | 450 W | 450 W |
| Outputs | 2x DVI1x S-Video | 2x DVI |
| Power connectors | 2x 6-pin | 1x 6-pin |
| Board number | P355 | P365 |
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 | 1.1 |
| Shader model | 4.0 | 4.0 |
