Radeon HD 6620G and GeForce GTS 450 Rev. 3 - video card comparison
Radeon HD 6620G
GeForce GTS 450 Rev. 3
Architecture
Terascale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
Llano
GF116
Market segment
Laptop
Desktop
Release date
June 2011
July 2012
Interface
IGP
PCIe 2.0 x16
Core clock speed
400 MHz
783 MHz
Floating-point performance
-
451.0 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1000 Million
1,170 million
Pipelines / CUDA cores
400
144
Power consumption (TDP)
35 Watt
106 Watt
Texture fill rate
8.880
18.79
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
1400 MHz
Memory bandwidth
-
22.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
N/A