Product Compare

AMD Radeon HD 7850 vs AMD Radeon RX Vega 64

GPU GPU
Graphics Card
Release Date Mar 2012 Aug 2017
Generation Southern Islands Vega
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1200 MHz 945 MHz
Base Clock 1247 MHz
Boost Clock 1546 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 HBM2
Memory Bus 256bit 2048bit
Bandwidth 153.6GB/s 483.8GB/s
Render Config
Compute Units 16 64
Shading Units 1024 4096
TMUs 64 256
ROPs 32 64
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 4 MB
Theoretical Performance
Pixel Rate 27.52 GPixel/s 98.94 GPixel/s
Texture Rate 55.04 GTexel/s 395.8 GTexel/s
FP32 (float) 1.761 TFLOPS 12.66 TFLOPS
FP64 (double) 110.1 GFLOPS 791.6 GFLOPS
FP16 (half) 25.33 TFLOPS
Graphics Processor
GPU Name Pitcairn Vega 10
GPU Variant Pitcairn PRO(215-0828062) Vega 10 XT(215-0894200)
Architecture GCN 1.0 GCN 5.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 2.8 billion 12.5 billion
Die Size 212 mm² 495 mm²
Board Design
TDP 130W 295W
Suggested PSU 300 W 600 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors 1x 6-pin 2x 8-pin
Graphics Features
DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2 1.2
Shader Model 5.1 6.4
Benchmarks
3DMark Time Spy 1334 7373
3DMark Time Spy Extreme 325 3619