AMD Radeon R9 M390X vs NVIDIA GRID K520Q
GPU Specs Compare
Graphics Card
Release Date
May 2015
Jul 2014
Generation
Crystal System
GRID
Type
Mobile
Professional
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
Compute Units
32
-
Shading Units
2048
1536
TMUs
128
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
23.84 GPixel/s
Texture Rate
92.54 GTexel/s
95.36 GTexel/s
FP16 (half)
2.961 TFLOPS
-
FP32 (float)
2.961 TFLOPS
2.289 TFLOPS
FP64 (double)
185.1 GFLOPS
95.36 GFLOPS
Graphics Processor
GPU Name
Amethyst
GK104
GPU Variant
Amethyst XT
-
Architecture
GCN 3.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
3.54 billion
Die Size
366 mm²
294 mm²
Board Design
TDP
75W
225W
Outputs
No outputs
No outputs
Power Connectors
None
-
Suggested PSU
-
550 W
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.1
Shader Model
6.3
5.1
CUDA
-
3.0