NVIDIA GRID K2 vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
May 2013
Jun 2015
Generation
GRID
Pirate Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
160.0GB/s
384.0GB/s
Render Config
Shading Units
1536
2560
TMUs
128
160
ROPs
32
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Compute Units
-
40
Theoretical Performance
Pixel Rate
23.84 GPixel/s
64.00 GPixel/s
Texture Rate
95.36 GTexel/s
160.0 GTexel/s
FP32 (float)
2.289 TFLOPS
5.120 TFLOPS
FP64 (double)
95.36 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
GK104
Grenada
GPU Variant
GK104-895-A2
Grenada PRO(215-0880030)
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
6.2 billion
Die Size
294 mm²
438 mm²
Board Design
TDP
225W
275W
Suggested PSU
550 W
600 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.2.175
1.2
CUDA
3.0
-
Shader Model
6.5 (5.1)
6.3
📊 Benchmark
3DMark Time Spy
-
3,964
3DMark Time Spy Extreme
-
1,931