HD Graphics 620 and GeForce RTX 3080 Mobile - video card comparison
HD Graphics 620
GeForce RTX 3080 Mobile
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Ampere (2020−2022)
GPU code name
Kaby-Lake GT2
GN20-E7 GA104
Market segment
Laptop
Laptop
Release date
August 2016
January 2021
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Boost clock speed
1050 MHz
1245 - 1710 MHz
Core clock speed
300 MHz
780 - 1100 MHz
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
8 nm
Number of transistors
189 million
17,400 million
Pipelines / CUDA cores
24
6144
Power consumption (TDP)
15 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
25.20
296.6
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR6
Maximum RAM amount
32 GB
16 GB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
14000 MHz
Memory bandwidth
-
384.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
+
1.2
Quick Sync
+
-