Product Compare

AMD Radeon RX Vega Nano vs AMD Radeon HD 7850

GPU GPU
Graphics Card
Release Date Unknown Mar 2012
Generation Vega Southern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1247 MHz
Boost Clock 1546 MHz
Memory Clock 800 MHz 1200 MHz
Memory
Memory Size 8GB 2GB
Memory Type HBM2 GDDR5
Memory Bus 2048bit 256bit
Bandwidth 409.6GB/s 153.6GB/s
Render Config
Compute Units 64 16
Shading Units 4096 1024
TMUs 256 64
ROPs 64 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 4 MB 512 KB
Theoretical Performance
Pixel Rate 98.94 GPixel/s 27.52 GPixel/s
Texture Rate 395.8 GTexel/s 55.04 GTexel/s
FP32 (float) 12.66 TFLOPS 1.761 TFLOPS
FP64 (double) 791.6 GFLOPS 110.1 GFLOPS
Graphics Processor
GPU Name Vega 10 Pitcairn
GPU Variant Vega 10 XT(215-0894200) Pitcairn PRO(215-0828062)
Architecture GCN 5.0 GCN 1.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 28 nm
Transistors 12.5 billion 2.8 billion
Die Size 495 mm² 212 mm²
Board Design
TDP 175W 130W
Suggested PSU 450 W 300 W
Outputs 1x HDMI 2.0b3x DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 8-pin 1x 6-pin
Graphics Features
DirectX 12 (12_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.2 1.2
Shader Model 6.4 5.1