AMD Radeon R9 390 vs NVIDIA GRID K280Q
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Jun 2013
Generation
Pirate Islands
GRID
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
384.0GB/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)
—
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
275W
225W
Suggested PSU
600 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
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
1.1
Shader Model
6.3
5.1
CUDA
—
3.0
Benchmark
3DMark Time Spy
3,964
—
3DMark Time Spy Extreme
1,931
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.