| 主要参数 | |
| GPU核心频率 | 800 MHz |
|---|---|
| 流处理单元 | 320 个 |
| 核心架构 | TeraScale共44款 |
| GPU代号 | RV670 |
| 制作工艺 | 55 nm |
| TDP功耗 | 105 W |
| 内存参数 | |
| 内存频率 | 1600 Mbps |
|---|---|
| 内存类型 | GDDR3 |
| 内存位宽 | 256 bit |
| 显存大小 | 2 GB |
| 参数补充 | |
| 晶体管数量 | 666 million |
|---|---|
| 代工厂 | TSMC |
| 核心面积 | 192 mm² |
| 二级缓存 | 256 KB |
| 光栅单元 | 16 |
| 纹理单元 | 16 |
| Compute units | 4 |
| 建议电源 | 300 W |
| 公版供电 | 1x 6-pin |
| 公版接口 | 2x DVI1x S-Video |
| 总线接口 | PCIe 2.0 x16 |
| 理论性能 | |
| 像素填充率 | 12.80 GPixel/s |
|---|---|
| 纹理填充率 | 12.80 GTexel/s |
| 显存带宽 | 51.20 GB/s |
| FP32 | 512.0 GFLOPS |
| FP64 | 102.4 GFLOPS (1:5) |
| 显卡特性 | |
| DirectX | 10.1 (10_1) |
|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) |
| OpenCL | N/A |
| Vulkan | N/A |
| Shader model | 4.1 |
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