ATI Radeon HD 2900 XT vs NVIDIA GeForce GT 140 OEM
Graphics Processor
| GPU model | R600 | G94B |
|---|---|---|
| GPU variant | R600 XT (215RGMDKA13FG) | — |
| Architecture | TeraScale | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 55 nm |
| Number of transistors | 720 million | 505 million |
| Die size | 420 mm² | 196 mm² |
Graphics Card
| Release date | May 14th, 2007 | Mar 10th, 2009 |
|---|---|---|
| Generation | Radeon R600 | GeForce 100 |
| Production | End-of-life | End-of-life |
| Launch price | 399 USD | — |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 63 in our database | — |
| Predecessor | Radeon R500 PCIe | GeForce 9 |
| Successor | Radeon R700 | GeForce 200 |
Clocks
| GPU clock | 743 MHz | 650 MHz |
|---|---|---|
| Memory clock | 828 MHz 1656 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1625 MHz |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 512 bit | 256 bit |
| Bandwidth | 106.0 GB/s | 57.60 GB/s |
Render Configuration
| Shading units | 320 | 64 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 16 | 16 |
| Compute units | 4 | — |
| Cache L2 | 256 KB | 64 KB |
| SM count | — | 8 |
Performance
| Pixel rate | 11.89 GPixel/s | 10.40 GPixel/s |
|---|---|---|
| Texture rate | 11.89 GTexel/s | 20.80 GTexel/s |
| FP32 (float) performance | 475.5 GFLOPS | 208.0 GFLOPS |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 241 mm 9.5 inches | 229 mm 9 inches |
| TDP | 215 W | 105 W |
| Suggested PSU | 550 W | 300 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin |
| Board number | B006-01 | P545 |
API Support & Features
| DirectX | 10.0 (10_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.0 | 4.0 |
| CUDA | — | 1.1 |
