Radeon 520 and Radeon HD 3870 - video card comparison
Passmark - benchmark score Radeon 520 vs Radeon HD 3870
Radeon 520
811
Radeon HD 3870
572
Radeon 520
Radeon HD 3870
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Oland
RV670
Market segment
Laptop
Desktop
Release date
March 2017
November 2007
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
1030 MHz
777 MHz
Floating-point performance
659.2 gflops
497.3 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,040 million
666 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
50 Watt
106 Watt
Texture fill rate
20.60
12.43
Memory type
DDR3, GDDR5
GDDR4
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
2250 MHz
2252 MHz
Memory bandwidth
16 GB/s
72.06 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12.0
10.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.0
4.1
Vulkan
+
N/A