Radeon 520 and Radeon R7 340 OEM - video card comparison
Radeon 520
Radeon R7 340 OEM
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Oland
Oland
Market segment
Laptop
Desktop
Release date
March 2017
May 2015
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
780 MHz
Core clock speed
1030 MHz
730 MHz
Floating-point performance
659.2 gflops
599.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,040 million
950 million
Pipelines / CUDA cores
320
384
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
20.60
18.72
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2250 MHz
1800 MHz
Memory bandwidth
16 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12.0
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.0
5.1
Vulkan
+
1.2.131