Radeon 520 and Radeon R5 M255 - video card comparison
Passmark - benchmark score Radeon 520 vs Radeon R5 M255
Radeon 520
811
Radeon R5 M255
550
Radeon 520
Radeon R5 M255
Architecture
GCN 1.0 (2012−2020)
GCN (2011−2017)
GPU code name
Oland
Topaz Pro / Sun
Market segment
Laptop
Laptop
Release date
March 2017
May 2014
Bus support
-
PCIe 3.0 x8
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
-
940 MHz
Compute units
-
5
Core clock speed
1030 MHz
940 MHz
Floating-point performance
659.2 gflops
721.9 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,040 million
1,550 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
50 Watt
-
Texture fill rate
20.60
22.56
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2250 MHz
1000 MHz
Memory bandwidth
16 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
-
+
HDMI
+
-
DirectX
12.0
DirectX® 11
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
5.0
6.3
Vulkan
+
-
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+