Product Compare

AMD Radeon HD 6990 vs Intel Arc B580

GPU GPU
Graphics Card
Release Date Mar 2011 Dec 2024
Generation Northern Islands Battlemage
Type Desktop Desktop
Bus Interface PCIe 2.0 x16 PCIe 4.0 x8
Clock Speeds
Memory Clock 1250 MHz 2375 MHz
Base Clock 2670 MHz
Boost Clock 2670 MHz
Memory
Memory Size 2GB 12GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 192bit
Bandwidth 160.0GB/s 456.0GB/s
Render Config
Compute Units 24
Shading Units 1536 2560
TMUs 96 160
ROPs 32 80
L1 Cache 8 KB (per CU) 256 KB (per EU)
L2 Cache 512 KB 18 MB
Tensor Cores 160
RT Cores 20
Theoretical Performance
Pixel Rate 26.56 GPixel/s 213.6 GPixel/s
Texture Rate 79.68 GTexel/s 427.2 GTexel/s
FP32 (float) 2.550 TFLOPS 13.67 TFLOPS
FP64 (double) 637.4 GFLOPS 1.709 TFLOPS
FP16 (half) 27.34 TFLOPS
Graphics Processor
GPU Name Antilles BMG-G21
GPU Variant Antilles XT(215-0807027) SRPMF
Architecture TeraScale 3 Xe2
Foundry TSMC TSMC
Process Size 40 nm 5 nm
Transistors 2.64 billion 19.6 billion
Die Size 389 mm² 272 mm²
Board Design
TDP 375W 190W
Suggested PSU 750 W 450 W
Outputs 1x DVI4x mini-DisplayPort 1.2 1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors 2x 8-pin 1x 8-pin
Graphics Features
DirectX 11.2 (11_0) 12 Ultimate (12_2)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan N/A 1.4
Shader Model 5.0 6.6