
GeForce GT 720 and HD Graphics 400 - video card comparison
GeForce GT 720
HD Graphics 400
Architecture
Kepler 2.0 (2013−2015)
Generation 8.0 (2014−2015)
GPU code name
GK208B
Braswell GT1
Market segment
Desktop
Desktop
Release date
September 2014
April 2015
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x8
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
-
640 MHz
Core clock speed
797 MHz
320 MHz
CUDA cores
192
-
Floating-point performance
306.0 gflops
134.4 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
915 million
189 million
Pipelines / CUDA cores
192
96
Power consumption (TDP)
19 Watt
6 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
12.75
7.680
Memory type
DDR3 / GDDR5
DDR3L
Maximum RAM amount
1 GB or 1 GB
8 GB
Memory bus width
64 Bit
System Shared
Memory clock speed
1.8 GBps or 5.0 GB/s
System Shared
Memory bandwidth
14.4 (DDR3) or 40 (GDDR5)
-
Display Connectors
Dual Link DVI-DHDMIVGA
No outputs
Multi monitor support
3 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.4
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.80
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-