Radeon RX 6450M vs RTX A4000H

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureAmpere (2020−2022)RDNA 2 (2020−2022)
GPU code nameGA104Navi 24
Market segmentDesktopLaptop
Release date12 April 2021 (3 years ago)5 January 2023 (1 year ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores6144768
Core clock speedno data2000 MHz
Boost clock speed1560 MHz2220 MHz
Number of transistors17,400 million5,400 million
Manufacturing process technology8 nm6 nm
Power consumption (TDP)140 Watt25 Watt (25 - 50 Watt TGP)
Texture fill rate299.5118.1

Form factor & compatibility

Information on RTX A4000H and Radeon RX 6450M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

InterfacePCIe 4.0 x16PCIe 4.0 x4
Length241 mmno data
Width1-slotno data
Supplementary power connectors1x 6-pinNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR6GDDR6
Maximum RAM amount16 GB4 GB
Memory bus width256 Bit64 Bit
Memory clock speed14 GB/s18000 MHz
Memory bandwidth448.0 GB/s128.0 GB/s
Shared memoryno data-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors4x DisplayPort 1.4aPortable Device Dependent

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL3.02.2
Vulkan1.31.3
CUDA8.6no data

Pros & cons summary


Recency 12 April 2021 5 January 2023
Maximum RAM amount 16 GB 4 GB
Chip lithography 8 nm 6 nm
Power consumption (TDP) 140 Watt 25 Watt

We couldn't decide between RTX A4000H and Radeon RX 6450M. We've got no test results to judge.

Be aware that RTX A4000H is a desktop card while Radeon RX 6450M is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA RTX A4000H
RTX A4000H
AMD Radeon RX 6450M
Radeon RX 6450M

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Community ratings

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