Radeon R5 340X OEM and GeForce GT 620 OEM - video card comparison
Radeon R5 340X OEM
GeForce GT 620 OEM
Architecture
GCN 1.0 (2012−2020)
Fermi 2.0 (2010−2014)
GPU code name
Oland
GF119
Market segment
Desktop
Desktop
Release date
May 2015
April 2012
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1050 MHz
-
Core clock speed
900 MHz
810 MHz
Floating-point performance
806.4 gflops
155.5 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
292 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
65 Watt
30 Watt
Texture fill rate
21.60
6.480
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
1796 MHz
Memory bandwidth
16 GB/s
14.37 GB/s
Display Connectors
1x DVI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 (11_1)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A