AMD Radeon R6 M255DX vs ATI Radeon X1950 PRO DUAL
Graphics Processor
| GPU model | Jet | RV570 |
|---|---|---|
| GPU variant | Jet PRO (216-0568010) | RV570 XT (215PADAKA12FG) |
| Architecture | GCN 1.0 | R500 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 80 nm |
| Number of transistors | 690 million | 330 million |
| Die size | 56 mm² | 230 mm² |
Integrated Graphics
| Release date | Jan 7th, 2014 | — |
|---|---|---|
| Generation | Crystal System (Rx M200) | — |
| Production | End-of-life | — |
| Interface | IGP | — |
Clocks
| Base clock | 780 MHz | — |
|---|---|---|
| Boost clock | 855 MHz | — |
| Memory clock | System Shared | 690 MHz 1380 Mbps effective |
| GPU clock | — | 575 MHz |
Memory Configuration
| Memory size | System Shared | 512 MB |
|---|---|---|
| Memory type | System Shared | GDDR3 |
| Memory bus width | System Shared | 256 bit |
| Bandwidth | System Dependent | 44.16 GB/s |
Render Configuration
| Shading units | 320 | — |
|---|---|---|
| TMUs | 20 | 12 |
| ROPs | 8 | 12 |
| Compute units | 5 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 128 KB | — |
| Pixel shaders | — | 36 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 6.840 GPixel/s | 6.900 GPixel/s |
|---|---|---|
| Texture rate | 17.10 GTexel/s | 6.900 GTexel/s |
| FP32 (float) performance | 547.2 GFLOPS | — |
| FP64 (double) performance | 34.20 GFLOPS (1:16) | — |
| Vertex rate | — | 1.150 GVertices/s |
Dimensions & Outputs
| Slot width | IGP | Single-slot |
|---|---|---|
| TDP | unknown | 130 W |
| Outputs | No outputs | 2x DVI1x S-Video |
| Length | — | 300 mm 11.8 inches |
| Suggested PSU | — | 300 W |
| Power connectors | — | 1x 6-pin |
API Support & Features
| DirectX | 12 (11_1) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.6 | 2.1 (full) 3.0 (partial) |
| OpenCL | 1.2 | — |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 3.0 |
Other Features
Graphics Card
| Release date | — | Jan 10th, 2007 |
|---|---|---|
| Generation | — | Radeon R500 PCIe |
| Production | — | End-of-life |
| Launch price | — | 349 USD |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 144 in our database |
| Predecessor | — | Radeon R400 PCIe |
| Successor | — | Radeon R600 |
