ATI Radeon HD 2900 GT vs NVIDIA GeForce 315 OEM
Graphics Processor
| GPU model | R600 | GT215 |
|---|---|---|
| GPU variant | R600 GT (215RGFDKA13FG) | GT215-450-A2 |
| Architecture | TeraScale | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 40 nm |
| Number of transistors | 720 million | 727 million |
| Die size | 420 mm² | 144 mm² |
Graphics Card
| Release date | Nov 6th, 2007 | Apr 28th, 2011 |
|---|---|---|
| Generation | Radeon R600 | GeForce 300 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 63 in our database | — |
| Predecessor | Radeon R500 PCIe | GeForce 200 |
| Successor | Radeon R700 | GeForce 400 |
Clocks
| GPU clock | 601 MHz | 506 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 350 MHz 700 Mbps effective |
| Shader clock | — | 1012 MHz |
Memory Configuration
| Memory size | 256 MB | 256 MB |
|---|---|---|
| Memory type | GDDR3 | DDR2 |
| Memory bus width | 256 bit | 64 bit |
| Bandwidth | 51.20 GB/s | 5.600 GB/s |
Render Configuration
| Shading units | 240 | 48 |
|---|---|---|
| TMUs | 12 | 16 |
| ROPs | 12 | 4 |
| Compute units | 3 | — |
| Cache L2 | 128 KB | 32 KB |
| SM count | — | 6 |
Performance
| Pixel rate | 7.212 GPixel/s | 2.024 GPixel/s |
|---|---|---|
| Texture rate | 7.212 GTexel/s | 8.096 GTexel/s |
| FP32 (float) performance | 288.5 GFLOPS | 97.15 GFLOPS |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| TDP | 150 W | 33 W |
| Suggested PSU | 450 W | 200 W |
| Outputs | 2x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
| Power connectors | 1x 8-pin | None |
| Board number | B002 | P680 |
| Length | — | 168 mm 6.6 inches |
API Support & Features
| DirectX | 10.0 (10_0) | 11.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.0 | 4.1 |
| CUDA | — | 1.2 |
