AMD Radeon 540X Mobile vs ATI Radeon X1650 XT Dual
Graphics Processor
| GPU model | Lexa | RV560 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | RV560 XT (215PAGAKA12FG) |
| Architecture | GCN 4.0 | R500 |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 80 nm |
| Number of transistors | 2,200 million | 330 million |
| Die size | 103 mm² | 230 mm² |
Mobile graphics
| Release date | Feb 11th, 2019 | — |
|---|---|---|
| Generation | Mobility Radeon (M500X) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Crystal System | — |
Clocks
| Base clock | 980 MHz | — |
|---|---|---|
| Boost clock | 1095 MHz | — |
| Memory clock | 1000 MHz 4 Gbps effective | 700 MHz 1400 Mbps effective |
| GPU clock | — | 525 MHz |
Memory Configuration
| Memory size | 2 GB | 256 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 32.00 GB/s | 22.40 GB/s |
Render Configuration
| Shading units | 512 | — |
|---|---|---|
| TMUs | 32 | 8 |
| ROPs | 16 | 8 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 24 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 17.52 GPixel/s | 4.200 GPixel/s |
|---|---|---|
| Texture rate | 35.04 GTexel/s | 4.200 GTexel/s |
| FP16 (half) performance | 1,121 GFLOPS (1:1) | — |
| FP32 (float) performance | 1,121 GFLOPS | — |
| FP64 (double) performance | 70.08 GFLOPS (1:16) | — |
| Vertex rate | — | 1.050 GVertices/s |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| TDP | 50 W | unknown |
| Outputs | No outputs | 2x DVI |
| Power connectors | None | 1x 6-pin |
| Suggested PSU | — | 200 W |
API Support & Features
| DirectX | 12 (12_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.6 | 2.1 |
| OpenCL | 2.1 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 3.0 |
Other Features
Graphics Card
| Release date | — | Oct 30th, 2006 |
|---|---|---|
| Generation | — | Radeon R500 PCIe |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 49 in our database |
| Predecessor | — | Radeon R400 PCIe |
| Successor | — | Radeon R600 |
