NVIDIA Tesla K40st vs NVIDIA Tesla P100 DGXS
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Apr 2016
Generation
Tesla
Tesla
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1502 MHz
715 MHz
Base Clock
-
1328 MHz
Boost Clock
-
1480 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
384bit
4096bit
Bandwidth
288.4GB/s
732.2GB/s
Render Config
Shading Units
2880
3584
TMUs
240
224
ROPs
48
96
L1 Cache
16 KB (per SMX)
24 KB (per SM)
L2 Cache
1536 KB
4 MB
SM Count
-
56
Theoretical Performance
Pixel Rate
34.50 GPixel/s
142.1 GPixel/s
Texture Rate
138.0 GTexel/s
331.5 GTexel/s
FP32 (float)
3.312 TFLOPS
10.61 TFLOPS
FP64 (double)
1104 GFLOPS
5.304 TFLOPS
FP16 (half)
-
21.22 TFLOPS
Graphics Processor
GPU Name
GK110B
GP100
Architecture
Kepler
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
7.08 billion
15.3 billion
Die Size
561 mm²
610 mm²
Board Design
TDP
245W
300W
Suggested PSU
550 W
700 W
Outputs
No outputs
No outputs
Power Connectors
-
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
6.0
Shader Model
5.1
6.4