Quadro FX 1800 and GeForce GT 420 OEM - video card comparison
Quadro FX 1800
GeForce GT 420 OEM
Architecture
Tesla (2006−2010)
Fermi (2010−2014)
GPU code name
G94
GF108
Market segment
Workstation
Desktop
Release date
March 2009
September 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
550 MHz
700 MHz
Floating-point performance
176 gflops
134.4 gflops
Manufacturing process technology
65 nm
40 nm
Number of transistors
505 million
585 million
Pipelines / CUDA cores
64
48
Power consumption (TDP)
59 Watt
50 Watt
Texture fill rate
17.60
2.800
Memory type
GDDR3
DDR3
Maximum RAM amount
768 MB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
1600 MHz
1800 MHz
Memory bandwidth
38.4 GB/s
28.8 GB/s
Display Connectors
1x DVI, 2x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
11.1 (10_0)
12 (11_0)
CUDA
1.1
2.1
OpenCL
1.1
1.1
OpenGL
3.3
4.6
Shader Model
4.0
5.1
Vulkan
N/A
N/A