
Radeon HD 6620G + HD 7670M Dual Graphics and Radeon RX 540 OEM - video card comparison
Radeon HD 6620G + HD 7670M Dual Graphics
Radeon RX 540 OEM
Architecture
Terascale 2 (2009−2015)
GCN 1.0 (2012−2020)
GPU code name
-
Cape Verde
Market segment
Laptop
Desktop
Release date
February 2012
April 2017
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
400 / 600 MHz
1219 MHz
Floating-point performance
-
1,248 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
-
1,500 million
Pipelines / CUDA cores
880
512
Power consumption (TDP)
-
65 Watt
Texture fill rate
-
39.01
Memory type
-
GDDR5
Maximum RAM amount
-
4 GB
Memory bus width
-
128 Bit
Memory clock speed
1800 MHz
6000 MHz
Memory bandwidth
-
96 GB/s
Shared memory
+
-
DirectX
11
12.0
OpenCL
-
1.2
OpenGL
-
4.5
Shader Model
-
5.0