AMD Radeon RX 560 XT vs AMD Radeon RX 580
Graphics Processor
| GPU model | Ellesmere | Polaris 20 |
|---|---|---|
| GPU variant | Polaris 10 LE1 | Polaris 20 XTX (215-0910038) |
| Architecture | GCN 4.0 | GCN 4.0 |
| Foundry | GlobalFoundries | GlobalFoundries |
| Manufacturing process | 14 nm | 14 nm |
| Number of transistors | 5,700 million | 5,700 million |
| Die size | 232 mm² | 232 mm² |
Graphics Card
| Release date | Mar 13th, 2019 | Apr 18th, 2017 |
|---|---|---|
| Generation | Polaris | Polaris |
| Production | Active | Active |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Predecessor | Arctic Islands | Arctic Islands |
| Successor | Vega | Vega |
| Launch price | — | 229 USD |
| Current price | — | Amazon / Newegg |
| Reviews | — | 52 in our database |
Clocks
| Base clock | 1074 MHz | 1257 MHz |
|---|---|---|
| Boost clock | 1226 MHz | 1340 MHz |
| Memory clock | 1750 MHz 7 Gbps effective | 2000 MHz 8 Gbps effective |
Memory Configuration
| Memory size | 4 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 224.0 GB/s | 256.0 GB/s |
Render Configuration
| Shading units | 1792 | 2304 |
|---|---|---|
| TMUs | 112 | 144 |
| ROPs | 32 | 32 |
| Compute units | 28 | 36 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 2 MB | 2 MB |
Performance
| Pixel rate | 39.23 GPixel/s | 42.88 GPixel/s |
|---|---|---|
| Texture rate | 137.3 GTexel/s | 193.0 GTexel/s |
| FP16 (half) performance | 4.394 TFLOPS (1:1) | 6.175 TFLOPS (1:1) |
| FP32 (float) performance | 4.394 TFLOPS | 6.175 TFLOPS |
| FP64 (double) performance | 274.6 GFLOPS (1:16) | 385.9 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 241 mm 9.5 inches | 241 mm 9.5 inches |
| TDP | 150 W | 185 W |
| Suggested PSU | 450 W | 450 W |
| Outputs | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
| Power connectors | 1x 6-pin | 1x 8-pin |
| Board number | — | C940, D009-04 |
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 |
