GeForce GT 420 OEM and RV670 - video card comparison
GeForce GT 420 OEM
RV670
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
GF108
RV670
Market segment
Desktop
Desktop
Release date
September 2010
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
None
-
Core clock speed
700 MHz
-
Floating-point performance
134.4 gflops
-
Manufacturing process technology
40 nm
55 nm
Number of transistors
585 million
666 million
Pipelines / CUDA cores
48
320
Power consumption (TDP)
50 Watt
-
Texture fill rate
2.800
-
Memory type
DDR3
-
Maximum RAM amount
1 GB
-
Memory bus width
128 Bit
-
Memory clock speed
1800 MHz
-
Memory bandwidth
28.8 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
-
HDMI
+
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
2.1
-
OpenCL
1.1
N/A
OpenGL
4.6
3.3 (full)
Shader Model5.14.1
Vulkan
N/A
N/A