Radeon HD 4870 and Radeon 520 - video card comparison
Passmark - benchmark score Radeon HD 4870 vs Radeon 520
Radeon HD 4870
1411
Radeon 520
811
Radeon HD 4870
Radeon 520
Architecture
TeraScale (2005−2013)
GCN 1.0 (2012−2020)
GPU code name
RV770
Oland
Market segment
Desktop
Laptop
Release date
June 2008
March 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Core clock speed
750 MHz
1030 MHz
Floating-point performance
1,200.0 gflops
659.2 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
956 million
1,040 million
Pipelines / CUDA cores
800
320
Power consumption (TDP)
150 Watt
50 Watt
Texture fill rate
30.00
20.60
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
3600 MHz
2250 MHz
Memory bandwidth
115.2 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
12.0
OpenCL
1.1
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.0
Vulkan
N/A
+