ATI Radeon X1600 XT Dual vs NVIDIA GeForce 8800 GT Mac Edition
Graphics Processor
| GPU model | RV530 | G92 |
|---|---|---|
| Architecture | R500 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 65 nm |
| Number of transistors | 157 million | 754 million |
| Die size | 150 mm² | 324 mm² |
| GPU variant | — | G92-270-A2 |
Graphics Card
| Release date | Never Released | Feb 1st, 2008 |
|---|---|---|
| Generation | Radeon R500 PCIe | GeForce 8 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 64 in our database | 403 in our database |
| Predecessor | Radeon R400 PCIe | GeForce 7 PCIe |
| Successor | Radeon R600 | GeForce 9 |
Clocks
| GPU clock | 590 MHz | 600 MHz |
|---|---|---|
| Memory clock | 690 MHz 1380 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1500 MHz |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 22.08 GB/s | 57.60 GB/s |
Render Configuration
| Pixel shaders | 12 | — |
|---|---|---|
| Vertex shaders | 5 | — |
| TMUs | 4 | 56 |
| ROPs | 4 | 16 |
| Shading units | — | 112 |
| SM count | — | 14 |
| Cache L2 | — | 64 KB |
Performance
| Pixel rate | 2.360 GPixel/s | 9.600 GPixel/s |
|---|---|---|
| Vertex rate | 737.5 MVertices/s | — |
| Texture rate | 2.360 GTexel/s | 33.60 GTexel/s |
| FP32 (float) performance | — | 336.0 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | unknown | 125 W |
| Suggested PSU | 200 W | 300 W |
| Outputs | 2x DVI | 2x DVI |
| Power connectors | 1x Molex | 1x 6-pin |
| Length | — | 229 mm 9 inches |
API Support & Features
| DirectX | 9.0c (9_3) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 4.0 |
| CUDA | — | 1.1 |
