Product Compare

ATI Radeon HD 5830 vs AMD Radeon HD 6850 X2

GPU GPU
Graphics Card
Release Date Feb 2010 Sep 2011
Generation Evergreen Northern Islands
Type Desktop Desktop
Bus Interface PCIe 2.0 x16 PCIe 2.0 x16
Clock Speeds
Memory Clock 1000 MHz 1050 MHz
Memory
Memory Size 1024MB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 128.0GB/s 134.4GB/s
Render Config
Compute Units 14 12
Shading Units 1120 960
TMUs 56 48
ROPs 16 32
L1 Cache 8 KB (per CU) 8 KB (per CU)
L2 Cache 512 KB 512 KB
Theoretical Performance
Pixel Rate 12.80 GPixel/s 25.60 GPixel/s
Texture Rate 44.80 GTexel/s 38.40 GTexel/s
FP32 (float) 1.792 TFLOPS 1.536 TFLOPS
FP64 (double) 358.4 GFLOPS
Graphics Processor
GPU Name Cypress Barts
GPU Variant Cypress LE(215-0735047) Barts PRO(215-0798006)
Architecture TeraScale 2 TeraScale 2
Foundry TSMC TSMC
Process Size 40 nm 40 nm
Transistors 2.154 billion 1.7 billion
Die Size 334 mm² 255 mm²
Board Design
TDP 175W 254W
Suggested PSU 450 W 600 W
Outputs 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors 2x 6-pin 2x 8-pin
Graphics Features
DirectX 11.2 (11_0) 11.2 (11_0)
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
Shader Model 5.0 5.0