NVIDIA Tesla P40 vs NVIDIA GeForce GTX 870M
GPU Specs Compare
Graphics Card
Release Date
Sep 2016
Mar 2014
Generation
Tesla Pascal
GeForce 800M
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1303 MHz
941 MHz
Boost Clock
1531 MHz
967 MHz
Memory Clock
1808 MHz
1250 MHz
Memory
Memory Size
24GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
192bit
Bandwidth
347.1GB/s
120.0GB/s
Render Config
SM Count
30
-
Shading Units
3840
1344
TMUs
240
112
ROPs
96
24
L1 Cache
48 KB (per SM)
16 KB (per SMX)
L2 Cache
3 MB
384 KB
Theoretical Performance
Pixel Rate
147.0 GPixel/s
27.08 GPixel/s
Texture Rate
367.4 GTexel/s
108.3 GTexel/s
FP16 (half)
183.7 GFLOPS
-
FP32 (float)
11.76 TFLOPS
2.599 TFLOPS
FP64 (double)
367.4 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
GP102
GK104
Architecture
Pascal
Kepler
Foundry
TSMC
TSMC
Process Size
16 nm
28 nm
Transistors
11.8 billion
3.54 billion
Die Size
471 mm²
294 mm²
GPU Variant
-
N15E-GT-A2
Board Design
TDP
250W
100W
Suggested PSU
600 W
-
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
6.1
3.0
Shader Model
6.7
5.1