Product Compare

AMD Radeon RX 580 2048SP vs AMD Radeon HD 7950

GPU GPU
Graphics Card
Release Date Oct 2018 Jan 2012
Generation Polaris Southern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1168 MHz
Boost Clock 1284 MHz
Memory Clock 1750 MHz 1250 MHz
Memory
Memory Size 4GB 3GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 384bit
Bandwidth 224.0GB/s 240.0GB/s
Render Config
Compute Units 32 28
Shading Units 2048 1792
TMUs 128 112
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 2 MB 768 KB
Theoretical Performance
Pixel Rate 41.09 GPixel/s 25.60 GPixel/s
Texture Rate 164.4 GTexel/s 89.60 GTexel/s
FP16 (half) 5.259 TFLOPS
FP32 (float) 5.259 TFLOPS 2.867 TFLOPS
FP64 (double) 328.7 GFLOPS 716.8 GFLOPS
Graphics Processor
GPU Name Polaris 20 Tahiti
GPU Variant Polaris 20 XL(215-0910052) Tahiti PRO(215-0821056)
Architecture GCN 4.0 GCN 1.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 28 nm
Transistors 5.7 billion 4.313 billion
Die Size 232 mm² 352 mm²
Board Design
TDP 150W 200W
Suggested PSU 450 W 550 W
Outputs 1x DVI1x HDMI 2.0b3x DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 (12_0) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.2 1.2
Shader Model 6.4 5.1
Benchmarks
3DMark Time Spy 3826 1969