
Quadro K420 and GeForce 9400 GT - video card comparison
Passmark - benchmark score Quadro K420 vs GeForce 9400 GT
Quadro K420
768
GeForce 9400 GT
148
Quadro K420
GeForce 9400 GT
Architecture
Kepler (2012−2018)
Tesla (2006−2010)
GPU code name
GK107
G96C
Market segment
Workstation
Desktop
Release date
July 2014
August 2008
Bus support
-
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
SLI options
-
+
Core clock speed
876 MHz
550 MHz
CUDA cores
-
16
Floating-point performance
336.4 gflops
29.376 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
314 million
Pipelines / CUDA cores
192
16
Power consumption (TDP)
41 Watt
50 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
14.02
4.4 billion/sec
Memory type
128 Bit
DDR2
Maximum RAM amount
1 GB/2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
400 MHz
Memory bandwidth
Up to 29 GB/s
12.8 GB/s
Display Connectors
DVI-I DP
Dual Link DVI
Number of simultaneous displays
4
-
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
12
11.1 (10_0)
CUDA
3.0
+
OpenCL
1.2
1.1
OpenGL
4.5
2.1
Shader Model
5
4.0
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-