Product Compare

Intel Arc B770 vs AMD Radeon HD 6990

GPU GPU
Graphics Card
Release Date Jan 2026 Mar 2011
Generation Battlemage Northern Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 2100 MHz
Boost Clock 2400 MHz
Memory Clock 2000 MHz 1250 MHz
Memory
Memory Size 16GB 2GB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 256bit
Bandwidth 512.0GB/s 160.0GB/s
Render Config
Shading Units 4096 1536
TMUs 256 96
ROPs 128 32
RT Cores 32
L2 Cache 16 MB 512 KB
Compute Units 24
L1 Cache 8 KB (per CU)
Theoretical Performance
Pixel Rate 307.2 GPixel/s 26.56 GPixel/s
Texture Rate 614.4 GTexel/s 79.68 GTexel/s
FP16 (half) 39.32 TFLOPS
FP32 (float) 19.66 TFLOPS 2.550 TFLOPS
FP64 (double) 2.458 TFLOPS 637.4 GFLOPS
Graphics Processor
GPU Name BMG-G31 Antilles
Architecture Xe2-HPG TeraScale 3
Foundry TSMC TSMC
Process Size 5 nm 40 nm
Transistors Unknown 2.64 billion
Die Size Unknown 389 mm²
GPU Variant Antilles XT(215-0807027)
Board Design
TDP 225W 375W
Suggested PSU 550 W 750 W
Outputs 1x HDMI 2.1a3x DisplayPort 2.1 1x DVI4x mini-DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 2x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 3.0 1.2
Vulkan 1.4 N/A
Shader Model 6.6 5.0