
RTX A4000H and Radeon RX 6450M - video card comparison
RTX A4000H
Radeon RX 6450M
Architecture
Ampere (2020−2022)
RDNA 2 (2020−2022)
GPU code name
GA104
Navi 24
Market segment
Desktop
Laptop
Release date
April 2021
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x4
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1560 MHz
2220 MHz
Core clock speed
-
2000 MHz
Manufacturing process technology
8 nm
6 nm
Number of transistors
17,400 million
5,400 million
Pipelines / CUDA cores
6144
768
Power consumption (TDP)
140 Watt
25 Watt (25 - 50 Watt TGP)
Texture fill rate
299.5
118.1
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
14 GB/s
18000 MHz
Memory bandwidth
448.0 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
4x DisplayPort 1.4a
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
-
OpenCL
3.0
2.2
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3