Radeon HD 3850 X2 and GeForce GT 720 OEM - video card comparison
Radeon HD 3850 X2
GeForce GT 720 OEM
Architecture
TeraScale (2005−2013)
Kepler (2012−2018)
GPU code name
RV670
GK107
Market segment
Desktop
Desktop
Release date
April 2008
October 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Core clock speed
669 MHz
993 MHz
Floating-point performance
2x 428.2 gflops
-
Manufacturing process technology
55 nm
28 nm
Number of transistors
666 million
1,270 million
Pipelines / CUDA cores
320
192
Power consumption (TDP)
140 Watt
50 Watt
Texture fill rate
10.70
15.89
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1656 MHz
1782 MHz
Memory bandwidth
52.99 GB/s
28.51 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
3.0
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126