Product Compare

AMD Radeon HD 7850 vs Intel Arc A770M

GPU GPU
Graphics Card
Release Date Mar 2012 Jan 2022
Generation Southern Islands Alchemist
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Memory Clock 1200 MHz 2000 MHz
Base Clock 300 MHz
Boost Clock 1650 MHz
Memory
Memory Size 2GB 16GB
Memory Type GDDR5 GDDR6
Memory Bus 256bit 256bit
Bandwidth 153.6GB/s 512.0GB/s
Render Config
Compute Units 16
Shading Units 1024 4096
TMUs 64 256
ROPs 32 128
L1 Cache 16 KB (per CU)
L2 Cache 512 KB 16 MB
RT Cores 32
Theoretical Performance
Pixel Rate 27.52 GPixel/s 211.2 GPixel/s
Texture Rate 55.04 GTexel/s 422.4 GTexel/s
FP32 (float) 1.761 TFLOPS 13.52 TFLOPS
FP64 (double) 110.1 GFLOPS
FP16 (half) 27.03 TFLOPS
Graphics Processor
GPU Name Pitcairn DG2-512
GPU Variant Pitcairn PRO(215-0828062) ACM-G10
Architecture GCN 1.0 Generation 12.7
Foundry TSMC TSMC
Process Size 28 nm 6 nm
Transistors 2.8 billion 21.7 billion
Die Size 212 mm² 406 mm²
Board Design
TDP 130W 120W
Suggested PSU 300 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin
Graphics Features
DirectX 12 (11_1) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.3
Shader Model 5.1 6.6