Product Compare

AMD Radeon R9 295X2 vs AMD Radeon RX Vega 64

GPU GPU
Graphics Card
Release Date Apr 2014 Aug 2017
Generation Volcanic Islands Vega
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1250 MHz 945 MHz
Base Clock 1247 MHz
Boost Clock 1546 MHz
Memory
Memory Size 4GB 8GB
Memory Type GDDR5 HBM2
Memory Bus 512bit 2048bit
Bandwidth 320.0GB/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 65.15 GPixel/s 98.94 GPixel/s
Texture Rate 179.2 GTexel/s 395.8 GTexel/s
FP32 (float) 5.733 TFLOPS 12.66 TFLOPS
FP64 (double) 716.7 GFLOPS 791.6 GFLOPS
FP16 (half) 25.33 TFLOPS
Graphics Processor
GPU Name Vesuvius Vega 10
GPU Variant Vesuvius XT(215-0852022) Vega 10 XT(215-0894200)
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 500W 295W
Suggested PSU 900 W 600 W
Outputs 1x DVI4x mini-DisplayPort 1.2 1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors 2x 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