UHD Graphics 620 and Mobility Radeon HD 4830 - video card comparison
UHD Graphics 620
Mobility Radeon HD 4830
Architecture
Gen. 9.5 (2017)
Terascale 1 (2008−2010)
GPU code name
Kaby-Lake-Refresh GT2
M97
Market segment
Laptop
Laptop
Release date
September 2017
March 2009
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Boost clock speed
1150 MHz
-
Core clock speed
300 MHz
550 MHz
Floating-point performance
-
704.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
826 million
Pipelines / CUDA cores
24
640
Power consumption (TDP)
15 Watt
-
Texture fill rate
27.60
17.60
Memory type
LPDDR3/DDR4
GDDR3, DDR3
Maximum RAM amount
32 GB
1 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
700 MHz
Memory bandwidth
-
44.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
10.1 (10_1)
OpenCL
2.1
1.1
OpenGL
4.6
3.3
Shader Model
6.4
4.1
Vulkan
1.1.103
N/A
Quick Sync
+
-