Graphics Processor GPU Name Polaris 20 GPU Variant Polaris 20 XTX (215-0910038) Architecture GCN 4.0 Foundry GlobalFoundries Process Size 14 nm Transistors 5,700 million Density 24.6M / mm² Die Size 232 mm² Chip Package BGA-1401 Graphics Card Release Date Apr 18th, 2017 Generation Polaris (RX 500) Predecessor Arctic Islands Successor Vega Production End-of-life Driver Support Legacy Bus Interface PCIe 3.0 x16 Clock Speeds Base Clock 1257 MHz Boost Clock 1340 MHz 1350 MHz (+1%) Memory Clock 2000 MHz 8 Gbps effective Memory Memory Size 8 GB Memory Type GDDR5 Memory Bus 256 bit Bandwidth 256.0 GB/s Render Config Shading Units 2304 TMUs 144 ROPs 32 Compute Units 36 L1 Cache 16 KB (per CU) L2 Cache 2 MB Theoretical Performance Pixel Rate 42.88 GPixel/s 43.20 GPixel/s Texture Rate 193.0 GTexel/s 194.4 GTexel/s FP16 (half) 6.175 TFLOPS 6.221 TFLOPS (1:1) FP32 (float) 6.175 TFLOPS 6.221 TFLOPS FP64 (double) 385.9 GFLOPS 388.8 GFLOPS (1:16) Board Design Slot Width Dual-slot Length 241 mm 255 mm 9.5 inches 10 inches TDP 185 W Suggested PSU 450 W Outputs 1x HDMI 2.0b 3x DisplayPort 1.4a 1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a Power Connectors 1x 8-pin Board Number C940, D009-04 Graphics Features DirectX 12 (12_0) OpenGL 4.6 OpenCL 2.1 Vulkan 1.3 Shader Model 6.7 Polaris 20 GPU Notes
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