Product Compare

AMD Radeon RX Vega M GH vs AMD Radeon R9 M390X

GPU GPU
Graphics Card
Release Date Feb 2018 May 2015
Generation Vega Crystal System
Type Mobile Mobile
Bus Interface IGP PCIe 3.0 x16
Clock Speeds
Base Clock 1063 MHz
Boost Clock 1190 MHz
Memory Clock 800 MHz 1250 MHz
Memory
Memory Size 4GB 4GB
Memory Type HBM2 GDDR5
Memory Bus 1024bit 256bit
Bandwidth 204.8GB/s 160.0GB/s
Render Config
Compute Units 24 32
Shading Units 1536 2048
TMUs 96 128
ROPs 64 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 1024 KB 512 KB
Theoretical Performance
Pixel Rate 76.16 GPixel/s 23.14 GPixel/s
Texture Rate 114.2 GTexel/s 92.54 GTexel/s
FP16 (half) 3.656 TFLOPS 2.961 TFLOPS
FP32 (float) 3.656 TFLOPS 2.961 TFLOPS
FP64 (double) 228.5 GFLOPS 185.1 GFLOPS
Graphics Processor
GPU Name Polaris 22 Amethyst
GPU Variant VegaM XT(C7398773) Amethyst XT
Architecture GCN 4.0 GCN 3.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 28 nm
Transistors 5 billion 5 billion
Die Size 208 mm² 366 mm²
Board Design
TDP 100W 75W
Outputs No outputs No outputs
Power Connectors None
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.0
Vulkan 1.2 1.2
Shader Model 6.4 6.3