Product Compare

AMD Radeon RX 580G vs AMD Radeon HD 7850

GPU GPU
Graphics Card
Release Date Oct 2018 Mar 2012
Generation Polaris Southern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1257 MHz
Boost Clock 1330 MHz
Memory Clock 2000 MHz 1200 MHz
Memory
Memory Size 8GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 256.0GB/s 153.6GB/s
Render Config
Compute Units 36 16
Shading Units 2304 1024
TMUs 144 64
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 2 MB 512 KB
Theoretical Performance
Pixel Rate 42.56 GPixel/s 27.52 GPixel/s
Texture Rate 191.5 GTexel/s 55.04 GTexel/s
FP16 (half) 6.129 TFLOPS
FP32 (float) 6.129 TFLOPS 1.761 TFLOPS
FP64 (double) 383.0 GFLOPS 110.1 GFLOPS
Graphics Processor
GPU Name Polaris 20 Pitcairn
GPU Variant Polaris 20 XTX(215-0910038) Pitcairn PRO(215-0828062)
Architecture GCN 4.0 GCN 1.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 28 nm
Transistors 5.7 billion 2.8 billion
Die Size 232 mm² 212 mm²
Board Design
TDP 185W 130W
Suggested PSU 450 W 300 W
Outputs 1x HDMI 2.0b3x DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 8-pin 1x 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