Quadro K420 and Tesla P40 - video card comparison
Passmark - benchmark score Quadro K420 vs Tesla P40
Quadro K420
768
Tesla P40
12873
Quadro K420
Tesla P40
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK107
GP102
Market segment
Workstation
Workstation
Release date
July 2014
September 2016
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
-
1531 MHz
Core clock speed
876 MHz
1303 MHz
Floating-point performance
336.4 gflops
11,758 gflops
Manufacturing process technology
28 nm
16 nm
Number of transistors
1,270 million
11,800 million
Pipelines / CUDA cores
192
3840
Power consumption (TDP)
41 Watt
250 Watt
Texture fill rate
14.02
367.4
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1782 MHz
7.2 GB/s
Memory bandwidth
Up to 29 GB/s
347.1 GB/s
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (12_1)
CUDA
3.0
6.1
OpenCL
1.2
3.0
OpenGL
4.5
4.6
Shader Model
5
6.7
Vulkan
+
1.3
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-