Radeon HD 6450 GDDR5 and GeForce RTX 3080 Mobile - video card comparison
Radeon HD 6450 GDDR5
GeForce RTX 3080 Mobile
Architecture
Terascale 2 (2009−2015)
Ampere (2020−2022)
GPU code name
Caicos
GN20-E7 GA104
Market segment
Desktop
Laptop
Release date
April 2011
January 2021
Interface
-
PCIe 4.0 x16
Boost clock speed
-
1245 - 1710 MHz
Core clock speed
750 MHz
780 - 1100 MHz
Manufacturing process technology
40 nm
8 nm
Number of transistors
-
17,400 million
Pipelines / CUDA cores
160
6144
Power consumption (TDP)
27 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
-
296.6
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
900 MHz
14000 MHz
Memory bandwidth
-
384.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.5
Vulkan
-
1.2