Product Compare

AMD Radeon R9 390X vs AMD Radeon RX Vega 64 Liquid Cooling

GPU GPU
Graphics Card
Release Date Jun 2015 Aug 2017
Generation Pirate Islands Vega
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1500 MHz 945 MHz
Base Clock 1406 MHz
Boost Clock 1677 MHz
Memory
Memory Size 8GB 8GB
Memory Type GDDR5 HBM2
Memory Bus 512bit 2048bit
Bandwidth 384.0GB/s 483.8GB/s
Render Config
Compute Units 44 64
Shading Units 2816 4096
TMUs 176 256
ROPs 64 64
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 1024 KB 4 MB
Theoretical Performance
Pixel Rate 67.20 GPixel/s 107.3 GPixel/s
Texture Rate 184.8 GTexel/s 429.3 GTexel/s
FP32 (float) 5.914 TFLOPS 13.74 TFLOPS
FP64 (double) 739.2 GFLOPS 858.6 GFLOPS
FP16 (half) 27.48 TFLOPS
Graphics Processor
GPU Name Grenada Vega 10
GPU Variant Grenada XT(215-0880004) Vega 10 XTX
Architecture GCN 2.0 GCN 5.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 6.2 billion 12.5 billion
Die Size 438 mm² 495 mm²
Board Design
TDP 275W 345W
Suggested PSU 600 W 700 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors 1x 6-pin + 1x 8-pin 2x 8-pin
Graphics Features
DirectX 12 (12_0) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2
Shader Model 6.3 6.4