Radeon 520 and Radeon R9 285X - video card comparison
Radeon 520
Radeon R9 285X
Architecture
GCN 1.0 (2012−2020)
GCN 3.0 (2014−2017)
GPU code name
Oland
Tonga
Market segment
Laptop
Desktop
Release date
March 2017
-
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Core clock speed
1030 MHz
1002 MHz
Floating-point performance
659.2 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,040 million
5,000 million
Pipelines / CUDA cores
320
2048
Power consumption (TDP)
50 Watt
200 Watt
Texture fill rate
20.60
128.3
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
2250 MHz
5.5 GB/s
Memory bandwidth
16 GB/s
264.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI
+
+
DirectX
12.0
12 (12_0)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.0
6.5
Vulkan
+
1.2.170