AMD Radeon R9 390 X2 vs NVIDIA GRID K2
GPU · Specs Compare
Graphics Card
Release Date
Sep 2015
May 2013
Generation
Pirate Islands
GRID
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1350 MHz
1250 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
345.6GB/s
160.0GB/s
Render Config
Compute Units
40
—
Shading Units
2560
1536
TMUs
160
128
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
1024 KB
512 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
23.84 GPixel/s
Texture Rate
160.0 GTexel/s
95.36 GTexel/s
FP32 (float)
5.120 TFLOPS
2.289 TFLOPS
FP64 (double)
640.0 GFLOPS
95.36 GFLOPS
Graphics Processor
GPU Name
Grenada
GK104
GPU Variant
Grenada PRO(215-0880030)
GK104-895-A2
Architecture
GCN 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
3.54 billion
Die Size
438 mm²
294 mm²
Board Design
TDP
580W
225W
Suggested PSU
950 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
4x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.2.175
Shader Model
6.3
6.5 (5.1)
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.