Radeon HD 6620G + HD 7450M Dual Graphics and Radeon RX 580 2048SP - video card comparison
Radeon HD 6620G + HD 7450M Dual Graphics
Radeon RX 580 2048SP
Architecture
Terascale 2 (2009−2015)
GCN 4.0 (2016−2020)
GPU code name
-
Polaris 20
Market segment
Laptop
Desktop
Release date
February 2012
October 2018
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
1284 MHz
Core clock speed
400 / 700 MHz
1168 MHz
Manufacturing process technology
40 nm
14 nm
Number of transistors
-
5,700 million
Pipelines / CUDA cores
560
2048
Power consumption (TDP)
-
150 Watt
Texture fill rate
-
164.4
Memory type
-
GDDR5
Maximum RAM amount
-
8 GB
Memory bus width
-
256 Bit
Memory clock speed
1800 MHz
7000 MHz
Memory bandwidth
-
224.0 GB/s
Shared memory
+
-
Display Connectors
-
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11
12 (12_0)
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.4
Vulkan
-
1.2.131