ATI Radeon HD 5670 vs NVIDIA GeForce 9800 GX2
Graphics Processor
| GPU model | Redwood | G92 |
|---|---|---|
| GPU variant | Redwood XT (215-0757002) | G92-450-A2 |
| Architecture | TeraScale 2 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 65 nm |
| Number of transistors | 627 million | 754 million |
| Die size | 104 mm² | 324 mm² |
Graphics Card
| Release date | Jan 14th, 2010 | Mar 18th, 2008 |
|---|---|---|
| Generation | Evergreen | GeForce 9 |
| Production | End-of-life | End-of-life |
| Launch price | 119 USD | 599 USD |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 83 in our database | 65 in our database |
| Predecessor | Radeon R700 | GeForce 8 |
| Successor | Northern Islands | GeForce 200 |
Clocks
| GPU clock | 775 MHz | 600 MHz |
|---|---|---|
| Memory clock | 1000 MHz 4 Gbps effective | 1000 MHz 2 Gbps effective |
| Shader clock | — | 1500 MHz |
Memory Configuration
| Memory size | 1024 MB | 512 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 64.00 GB/s | 64.00 GB/s |
Render Configuration
| Shading units | 400 | 128 |
|---|---|---|
| TMUs | 20 | 64 |
| ROPs | 8 | 16 |
| Compute units | 5 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 256 KB | 64 KB |
| SM count | — | 16 |
Performance
| Pixel rate | 6.200 GPixel/s | 9.600 GPixel/s |
|---|---|---|
| Texture rate | 15.50 GTexel/s | 38.40 GTexel/s |
| FP32 (float) performance | 620.0 GFLOPS | 384.0 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| Length | 168 mm 6.6 inches | 267 mm 10.5 inches |
| Width | 111 mm 4.4 inches | — |
| Height | 20 mm 0.8 inches | — |
| TDP | 64 W | 197 W |
| Suggested PSU | 250 W | 450 W |
| Outputs | 1x DVI1x HDMI1x VGA | 2x DVI1x HDMI |
| Power connectors | None | 1x 6-pin + 1x 8-pin |
| Board number | C020 | P791 |
API Support & Features
| DirectX | 11.2 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 4.0 |
| CUDA | — | 1.1 |
