NVIDIA GRID K520Q vs NVIDIA GeForce GTX 870M
GPU · Specs Compare
Graphics Card
Release Date
Jul 2014
Mar 2014
Generation
GRID
GeForce 800M
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1250 MHz
1250 MHz
Base Clock
—
941 MHz
Boost Clock
—
967 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
160.0GB/s
120.0GB/s
Render Config
Shading Units
1536
1344
TMUs
128
112
ROPs
32
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Theoretical Performance
Pixel Rate
23.84 GPixel/s
27.08 GPixel/s
Texture Rate
95.36 GTexel/s
108.3 GTexel/s
FP32 (float)
2.289 TFLOPS
2.599 TFLOPS
FP64 (double)
95.36 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
GK104
GK104
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
3.54 billion
Die Size
294 mm²
294 mm²
GPU Variant
—
N15E-GT-A2
Board Design
TDP
225W
100W
Suggested PSU
550 W
—
Outputs
No outputs
No outputs
Power Connectors
—
None
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.0
3.0
Shader Model
5.1
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.