GeForce GT 720 and GeForce GT 420 OEM - video card comparison
GeForce GT 720
GeForce GT 420 OEM
Architecture
Kepler 2.0 (2013−2015)
Fermi (2010−2014)
GPU code name
GK208B
GF108
Market segment
Desktop
Desktop
Release date
September 2014
September 2010
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
797 MHz
700 MHz
CUDA cores
192
-
Floating-point performance
306.0 gflops
134.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
915 million
585 million
Pipelines / CUDA cores
192
48
Power consumption (TDP)
19 Watt
50 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
12.75
2.800
Memory type
DDR3 / GDDR5
DDR3
Maximum RAM amount
1 GB or 1 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1.8 GBps or 5.0 GB/s
1800 MHz
Memory bandwidth
14.4 (DDR3) or 40 (GDDR5)
28.8 GB/s
Display Connectors
Dual Link DVI-DHDMIVGA
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
3 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-