Quadro K620 and T400 4 GB - video card comparison
Passmark - benchmark score Quadro K620 vs T400 4 GB
Quadro K620
2297
T400 4 GB
3831
Quadro K620
T400 4 GB
Architecture
Maxwell (2014−2018)
Turing (2018−2021)
GPU code name
GM107
TU117
Market segment
Workstation
Desktop
Release date
July 2014
May 2021
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
1425 MHz
Core clock speed
1058 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
1,870 million
4,700 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
41 Watt
30 Watt
Texture fill rate
26.98
34.20
Memory type
128 Bit
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
10 GB/s
Memory bandwidth
Up to 29 GB/s
80 GB/s
Display Connectors
DVI-I DP
3x mini-DisplayPort
Number of simultaneous displays
4
-
DirectX
12
12 (12_1)
CUDA
5.0
7.5
OpenCL
1.2
3.0
OpenGL
4.5
4.6
Shader Model
5
6.6
Vulkan
+
1.2
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-