Graphics card | AMD Radeon R7 250XE | AMD Radeon RX 580 | ||||||
Market (main) | Desktop | Desktop | ||||||
Release date | Q3 2014 | Q2 2017 | ||||||
Model number | Cape Verde XT | 215-0910038, Polaris 20 XTX | ||||||
GPU name | Cape Verde | Polaris 20 | ||||||
Architecture | GCN 1.0 | GCN 4.0 | ||||||
Generation | Volcanic Islands R7 200 | Polaris RX 500 | ||||||
Lithography | 28 nm | 14 nm | ||||||
Transistors | 1,500,000,000 | 5,700,000,000 | ||||||
Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 | ||||||
GPU base clock | 860 MHz | 1,257 MHz | ||||||
GPU boost clock | 860 MHz | 1,340 MHz | ||||||
Memory frequency | 1,125 MHz | 2,000 MHz | ||||||
Effective memory speed | 4.5 Gbps | 8 Gbps | ||||||
Memory size | 1 GB | 8 GB | ||||||
Memory type | GDDR5 | GDDR5 | ||||||
Memory bus | 128 bit | 256 bit | ||||||
Memory bandwidth | 72.0 GB/s | 256.0 GB/s | ||||||
TDP | 80 W | 185 W | ||||||
Suggested PSU | 250W ATX Power Supply ![]() | 450W ATX Power Supply ![]() | ||||||
Multicard technology | - | - | ||||||
Outputs | 1x DVI 1x HDMI 1x VGA |
1x HDMI 3x DisplayPort |
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Max display resolution | - |
5120 × 2880@60Hz (DP), 4096 × 2160@60Hz (HDMI), 2560 x 1600@60Hz (DVI) |
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Video decoding | - | H.265, HEVC, H.264 4K | ||||||
Video encoding | - | H.265, HEVC, H.264 4K | ||||||
Cores (compute units, SM, SMX) | 10 | 36 | ||||||
Shading units | 640 | 2,304 | ||||||
TMUs | 40 | 144 | ||||||
ROPs | 16 | 32 | ||||||
Cache memory | 256 KB | 2 MB | ||||||
Pixel fillrate | 13.8 GP/s | 42.9 GP/s | ||||||
Texture fillrate | 34.4 GT/s | 193.0 GT/s | ||||||
Performance FP32 (float) | 1.1 TFLOPS | 6.2 TFLOPS | ||||||
Performance FP64 (double) | 68.8 GFLOPS | 385.9 GFLOPS | ||||||
Amazon | ![]() |
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eBay | ![]() |
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FP32 Performance in GFLOPS | |
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AMD Radeon RX 580![]() |
6,175 |
AMD Radeon R7 250XE![]() |
1,101 |
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