HD Graphics 405 and GeForce RTX 3080 12 GB - video card comparison
HD Graphics 405
GeForce RTX 3080 12 GB
Architecture
Gen. 8 (2015−2016)
Ampere (2020−2022)
GPU code name
Braswell
Ampere GA102
Market segment
Laptop
Desktop
Release date
April 2016
January 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
1x 12-pin
Boost clock speed
700 MHz
1260 MHz
Core clock speed
320 MHz
-
Floating-point performance
213.1 gflops
-
Manufacturing process technology
14 nm
8 nm
Number of transistors
189 million
28,300 million
Pipelines / CUDA cores
16
8960
Power consumption (TDP)
6 Watt
350 Watt
Texture fill rate
11.20
478.8
Memory type
System Shared
GDDR6X
Maximum RAM amount
System Shared
12 GB
Memory bus width
64/128 Bit
384 Bit
Memory clock speed
System Shared
1710 MHz
Memory bandwidth
-
912.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.0
3.0
OpenGL
4.3
4.6
Shader Model
5.1
6.6
Vulkan
1.1.80
1.3