Radeon HD 4520 and Radeon RX 640 - video card comparison
Radeon HD 4520
Radeon RX 640
Architecture
TeraScale (2005−2013)
Polaris (2016−2019)
GPU code name
RV710
Polaris 12
Market segment
Desktop
Laptop
Release date
December 2009
August 2019
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1218 MHz
Core clock speed
600 MHz
1218 MHz
Floating-point performance
96 gflops
-
Manufacturing process technology
55 nm
14 nm
Number of transistors
242 million
2,200 million
Pipelines / CUDA cores
80
640
Power consumption (TDP)
25 Watt
50 Watt
Texture fill rate
4.800
38.98
Memory type
DDR2
GDDR5
Maximum RAM amount
512 MB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
800 MHz
6000 MHz
Memory bandwidth
6.4 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
10.1 (10_1)
12 (12_0)
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.4
Vulkan
N/A
1.2.131
FreeSync
-
+