
GeForce RTX 3080 Mobile and Radeon HD 3450 X2 - video card comparison
GeForce RTX 3080 Mobile
Radeon HD 3450 X2
Architecture
Ampere (2020−2022)
TeraScale (2005−2013)
GPU code name
GN20-E7 GA104
RV620
Market segment
Laptop
Desktop
Release date
January 2021
December 2007
Interface
PCIe 4.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1245 - 1710 MHz
-
Core clock speed
780 - 1100 MHz
600 MHz
Floating-point performance
-
2x 48 gflops
Manufacturing process technology
8 nm
55 nm
Number of transistors
17,400 million
181 million
Pipelines / CUDA cores
6144
40
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
50 Watt
Texture fill rate
296.6
2.400
Memory type
GDDR6
DDR2
Maximum RAM amount
16 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
14000 MHz
1000 MHz
Memory bandwidth
384.0 GB/s
8 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DMS-59
DirectX
12 Ultimate (12_2)
10.1 (10_1)
CUDA
8.6
-
OpenCL
2.0
N/A
OpenGL
4.6
3.3
Shader Model
6.5
4.1
Vulkan
1.2
N/A