GeForce GT 720 and Radeon RX 640 - video card comparison
Passmark - benchmark score GeForce GT 720 vs Radeon RX 640
GeForce GT 720
628
Radeon RX 640
2020
GeForce GT 720
Radeon RX 640
Architecture
Kepler 2.0 (2013−2015)
Polaris (2016−2019)
GPU code name
GK208B
Polaris 12
Market segment
Desktop
Laptop
Release date
September 2014
August 2019
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1218 MHz
Core clock speed
797 MHz
1218 MHz
CUDA cores
192
-
Floating-point performance
306.0 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
915 million
2,200 million
Pipelines / CUDA cores
192
640
Power consumption (TDP)
19 Watt
50 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
12.75
38.98
Memory type
DDR3 / GDDR5
GDDR5
Maximum RAM amount
1 GB or 1 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1.8 GBps or 5.0 GB/s
6000 MHz
Memory bandwidth
14.4 (DDR3) or 40 (GDDR5)
112.0 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-DHDMIVGA
1x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
3 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_0)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
FreeSync
-
+