AMD Radeon RX 540 Mobile vs AMD Radeon RX 570X
Graphics Processor
| GPU model | Lexa | Polaris 20 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | Polaris 20 XL (215-0910052) |
| Architecture | GCN 4.0 | GCN 4.0 |
| Foundry | GlobalFoundries | GlobalFoundries |
| Manufacturing process | 14 nm | 14 nm |
| Number of transistors | 2,200 million | 5,700 million |
| Die size | 103 mm² | 232 mm² |
Mobile graphics
| Release date | Nov 11th, 2017 | — |
|---|---|---|
| Generation | Mobility Radeon (RX M500) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Crystal System | — |
Clocks
| Base clock | 1124 MHz | 1168 MHz |
|---|---|---|
| Boost clock | 1219 MHz | 1244 MHz |
| Memory clock | 1500 MHz 6 Gbps effective | 1750 MHz 7 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 96.00 GB/s | 224.0 GB/s |
Render Configuration
| Shading units | 512 | 2048 |
|---|---|---|
| TMUs | 32 | 128 |
| ROPs | 16 | 32 |
| Compute units | 8 | 32 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 2 MB |
Performance
| Pixel rate | 19.50 GPixel/s | 39.81 GPixel/s |
|---|---|---|
| Texture rate | 39.01 GTexel/s | 159.2 GTexel/s |
| FP16 (half) performance | 1,248 GFLOPS (1:1) | 5.095 TFLOPS (1:1) |
| FP32 (float) performance | 1,248 GFLOPS | 5.095 TFLOPS |
| FP64 (double) performance | 78.02 GFLOPS (1:16) | 318.5 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 50 W | 150 W |
| Outputs | No outputs | 1x DVI1x HDMI3x DisplayPort |
| Power connectors | None | 1x 6-pin |
| Length | — | 241 mm 9.5 inches |
| Suggested PSU | — | 450 W |
| Board number | — | D000 |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.4 |
Other Features
Graphics Card
| Release date | — | Apr 11th, 2018 |
|---|---|---|
| Generation | — | Polaris |
| Production | — | Active |
| Interface | — | PCIe 3.0 x16 |
| Predecessor | — | Polaris |
| Successor | — | Vega |
