Quadro K420 and GeForce 6800 - video card comparison
Passmark - benchmark score Quadro K420 vs GeForce 6800
Quadro K420
768
GeForce 6800
115
Quadro K420
GeForce 6800
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
GK107
NV41
Market segment
Workstation
Desktop
Release date
July 2014
November 2004
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
None
Core clock speed
876 MHz
325 MHz
Floating-point performance
336.4 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
1,270 million
190 million
Pipelines / CUDA cores
192
-
Power consumption (TDP)
41 Watt
-
Texture fill rate
14.02
3.900
Memory type
128 Bit
DDR
Maximum RAM amount
1 GB/2 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
600 MBps
Memory bandwidth
Up to 29 GB/s
19.2 GB/s
Display Connectors
DVI-I DP
1x DVI, 1x VGA, 1x S-Video
Number of simultaneous displays
4
-
DirectX
12
9.0c (9_3)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.5
2.0 (full)
Shader Model53.0
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-