Product Compare

AMD Radeon RX 590 vs AMD Radeon HD 6850 X2

GPU GPU
Graphics Card
Release Date Nov 2018 Sep 2011
Generation Polaris Northern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 1469 MHz
Boost Clock 1545 MHz
Memory Clock 2000 MHz 1050 MHz
Memory
Memory Size 8GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 256.0GB/s 134.4GB/s
Render Config
Compute Units 36 12
Shading Units 2304 960
TMUs 144 48
ROPs 32 32
L1 Cache 16 KB (per CU) 8 KB (per CU)
L2 Cache 2 MB 512 KB
Theoretical Performance
Pixel Rate 49.44 GPixel/s 25.60 GPixel/s
Texture Rate 222.5 GTexel/s 38.40 GTexel/s
FP16 (half) 7.119 TFLOPS
FP32 (float) 7.119 TFLOPS 1.536 TFLOPS
FP64 (double) 445.0 GFLOPS
Graphics Processor
GPU Name Polaris 30 Barts
GPU Variant Polaris 30 XT(215-0922006) Barts PRO(215-0798006)
Architecture GCN 4.0 TeraScale 2
Foundry GlobalFoundries TSMC
Process Size 12 nm 40 nm
Transistors 5.7 billion 1.7 billion
Die Size 232 mm² 255 mm²
Board Design
TDP 175W 254W
Suggested PSU 450 W 600 W
Outputs 1x HDMI 2.0b3x DisplayPort 1.4a 2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors 1x 8-pin 2x 8-pin
Graphics Features
DirectX 12 (12_0) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 2.1 1.2
Vulkan 1.2 N/A
Shader Model 6.4 5.0