Product Compare

Intel Arc B770 vs AMD Radeon HD 8770 OEM

GPU GPU
Graphics Card
Release Date Jan 2026 Sep 2013
Generation Battlemage Sea Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 2100 MHz
Boost Clock 2400 MHz
Memory Clock 2000 MHz 1500 MHz
Memory
Memory Size 16GB 1024MB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 128bit
Bandwidth 512.0GB/s 96.00GB/s
Render Config
Shading Units 4096 896
TMUs 256 56
ROPs 128 16
RT Cores 32
L2 Cache 16 MB 256 KB
Compute Units 14
L1 Cache 16 KB (per CU)
Theoretical Performance
Pixel Rate 307.2 GPixel/s 16.80 GPixel/s
Texture Rate 614.4 GTexel/s 58.80 GTexel/s
FP16 (half) 39.32 TFLOPS
FP32 (float) 19.66 TFLOPS 1.882 TFLOPS
FP64 (double) 2.458 TFLOPS 117.6 GFLOPS
Graphics Processor
GPU Name BMG-G31 Bonaire
Architecture Xe2-HPG GCN 2.0
Foundry TSMC TSMC
Process Size 5 nm 28 nm
Transistors Unknown 2.08 billion
Die Size Unknown 160 mm²
GPU Variant Bonaire XT(215-0839039)
Board Design
TDP 225W 85W
Suggested PSU 550 W 250 W
Outputs 1x HDMI 2.1a3x DisplayPort 2.1 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 1x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 3.0 2.0
Vulkan 1.4 1.2
Shader Model 6.6 6.3