UHD Graphics 620 and Radeon HD 6450 GDDR5 - video card comparison
UHD Graphics 620
Radeon HD 6450 GDDR5
Architecture
Gen. 9.5 (2017)
Terascale 2 (2009−2015)
GPU code name
Kaby-Lake-Refresh GT2
Caicos
Market segment
Laptop
Desktop
Release date
September 2017
April 2011
Interface
PCIe 3.0 x1
-
Boost clock speed
1150 MHz
-
Core clock speed
300 MHz
750 MHz
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
-
Pipelines / CUDA cores
24
160
Power consumption (TDP)
15 Watt
27 Watt
Texture fill rate
27.60
-
Memory type
LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
1 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
900 MHz
Shared memory
+
-
Display Connectors
No outputs
-
DirectX
12 (12_1)
11
OpenCL
2.1
-
OpenGL
4.6
-
Shader Model
6.4
-
Vulkan
1.1.103
-
Quick Sync
+
-