Product Compare

AMD Radeon R9 290 vs AMD Radeon R9 M390X

GPU GPU
Graphics Card
Release Date Nov 2013 May 2015
Generation Volcanic Islands Crystal System
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1250 MHz 1250 MHz
Memory
Memory Size 4GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 512bit 256bit
Bandwidth 320.0GB/s 160.0GB/s
Render Config
Compute Units 40 32
Shading Units 2560 2048
TMUs 160 128
ROPs 64 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 1024 KB 512 KB
Theoretical Performance
Pixel Rate 60.61 GPixel/s 23.14 GPixel/s
Texture Rate 151.5 GTexel/s 92.54 GTexel/s
FP32 (float) 4.849 TFLOPS 2.961 TFLOPS
FP64 (double) 606.1 GFLOPS 185.1 GFLOPS
FP16 (half) 2.961 TFLOPS
Graphics Processor
GPU Name Hawaii Amethyst
GPU Variant Hawaii PRO(215-0852020) Amethyst XT
Architecture GCN 2.0 GCN 3.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 6.2 billion 5 billion
Die Size 438 mm² 366 mm²
Board Design
TDP 275W 75W
Suggested PSU 600 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin + 1x 8-pin None
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2 1.2
Shader Model 6.3 6.3