ATI FireGL V7700 vs ATI Radeon HD 2900 XT
Graphics Processor
| GPU model | RV670 | R600 |
|---|---|---|
| GPU variant | RV670 GL | R600 XT (215RGMDKA13FG) |
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 80 nm |
| Number of transistors | 666 million | 720 million |
| Die size | 192 mm² | 420 mm² |
Graphics Card
| Release date | Nov 19th, 2007 | May 14th, 2007 |
|---|---|---|
| Generation | FireGL | Radeon R600 |
| Production | End-of-life | End-of-life |
| Launch price | 899 USD | 399 USD |
| Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Reviews | 5 in our database | 63 in our database |
| Predecessor | — | Radeon R500 PCIe |
| Successor | — | Radeon R700 |
Clocks
| GPU clock | 777 MHz | 743 MHz |
|---|---|---|
| Memory clock | 1126 MHz 2.3 Gbps effective | 828 MHz 1656 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 512 MB |
|---|---|---|
| Memory type | GDDR4 | GDDR3 |
| Memory bus width | 256 bit | 512 bit |
| Bandwidth | 72.06 GB/s | 106.0 GB/s |
Render Configuration
| Shading units | 320 | 320 |
|---|---|---|
| TMUs | 16 | 16 |
| ROPs | 16 | 16 |
| Compute units | 4 | 4 |
| Cache L2 | 256 KB | 256 KB |
Performance
| Pixel rate | 12.43 GPixel/s | 11.89 GPixel/s |
|---|---|---|
| Texture rate | 12.43 GTexel/s | 11.89 GTexel/s |
| FP32 (float) performance | 497.3 GFLOPS | 475.5 GFLOPS |
| FP64 (double) performance | 99.46 GFLOPS (1:5) | — |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 254 mm 10 inches | 241 mm 9.5 inches |
| Width | 111 mm 4.4 inches | — |
| TDP | unknown | 215 W |
| Suggested PSU | 200 W | 550 W |
| Outputs | 1x DVI1x DisplayPort1x S-Video | 2x DVI1x S-Video |
| Power connectors | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Board number | B439 | B006-01 |
API Support & Features
| DirectX | 10.1 (10_1) | 10.0 (10_0) |
|---|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) | 3.3 (full) 4.0 (partial) |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
