NVIDIA GRID K280Q vs AMD Radeon HD 8870 OEM
GPU Specs Compare
Graphics Card
Release Date
Jun 2013
Jan 2013
Generation
GRID
Sea Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1200 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
153.6GB/s
Render Config
Shading Units
1536
1280
TMUs
128
80
ROPs
32
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
23.84 GPixel/s
32.00 GPixel/s
Texture Rate
95.36 GTexel/s
80.00 GTexel/s
FP32 (float)
2.289 TFLOPS
2.560 TFLOPS
FP64 (double)
95.36 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
GK104
Pitcairn
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.8 billion
Die Size
294 mm²
212 mm²
GPU Variant
-
Pitcairn XT(215-0828047)
Board Design
TDP
225W
175W
Suggested PSU
550 W
450 W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
-
2x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
5.1