Radeon Steam Deck 8CU vs GeForce MX450

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Primary details

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

Place in the ranking460not rated
Place by popularitynot in top-100not in top-100
Power efficiency26.57no data
ArchitectureTuring (2018−2022)RDNA 2 (2022−2023)
GPU code nameN17S-G5 / GP107-670-A1RDNA 2 Sephiroth
Market segmentLaptopLaptop
Release date1 August 2020 (4 years ago)9 November 2023 (1 year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores896512
Core clock speed1395 MHzno data
Boost clock speed1575 MHz1900 MHz
Number of transistors4,700 millionno data
Manufacturing process technology12 nm6 nm
Power consumption (TDP)25 Watt (12 - 29 Watt TGP)no data
Texture fill rate100.8no data
Floating-point processing power3.226 TFLOPSno data
ROPs32no data
TMUs64no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 4.0 x4no data
Supplementary power connectorsNoneno data

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 typeGDDR5, GDDR6no data
Maximum RAM amount2 GBno data
Memory bus width64 Bitno data
Memory clock speed10000 MHzno data
Memory bandwidth64.03 GB/sno data
Shared memory-+

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 ConnectorsNo outputsno data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Optimus+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)12_1
Shader Model6.5no data
OpenGL4.6no data
OpenCL1.2no data
Vulkan1.2-
CUDA7.5-

Pros & cons summary


Recency 1 August 2020 9 November 2023
Chip lithography 12 nm 6 nm

Steam Deck 8CU has an age advantage of 3 years, and a 100% more advanced lithography process.

We couldn't decide between GeForce MX450 and Radeon Steam Deck 8CU. We've got no test results to judge.


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 GeForce MX450
GeForce MX450
AMD Radeon Steam Deck 8CU
Radeon Steam Deck 8CU

Comparisons with similar GPUs

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Community ratings

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3.6 1322 votes

Rate GeForce MX450 on a scale of 1 to 5:

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5 4 votes

Rate Radeon Steam Deck 8CU on a scale of 1 to 5:

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Questions & comments

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