Product Compare

NVIDIA GRID K520Q vs AMD Radeon R9 M390X

GPU GPU
Graphics Card
Release Date Jul 2014 May 2015
Generation GRID Crystal System
Type Professional 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 256bit 256bit
Bandwidth 160.0GB/s 160.0GB/s
Render Config
Shading Units 1536 2048
TMUs 128 128
ROPs 32 32
L1 Cache 16 KB (per SMX) 16 KB (per CU)
L2 Cache 512 KB 512 KB
Compute Units 32
Theoretical Performance
Pixel Rate 23.84 GPixel/s 23.14 GPixel/s
Texture Rate 95.36 GTexel/s 92.54 GTexel/s
FP32 (float) 2.289 TFLOPS 2.961 TFLOPS
FP64 (double) 95.36 GFLOPS 185.1 GFLOPS
FP16 (half) 2.961 TFLOPS
Graphics Processor
GPU Name GK104 Amethyst
Architecture Kepler GCN 3.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 3.54 billion 5 billion
Die Size 294 mm² 366 mm²
GPU Variant Amethyst XT
Board Design
TDP 225W 75W
Suggested PSU 550 W
Outputs No outputs No outputs
Power Connectors None
Graphics Features
DirectX 12 (11_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 3.0 2.0
Vulkan 1.1 1.2
CUDA 3.0
Shader Model 5.1 6.3