RTX A400 vs Radeon RX 6550S

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Primary details

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

Place in the rankingnot rated417
Place by popularitynot in top-100not in top-100
Power efficiencyno data15.72
ArchitectureRDNA 2.0 (2020−2024)Ampere (2020−2024)
GPU code nameNavi 24GA107
Market segmentLaptopWorkstation
Release date4 January 2023 (1 year ago)16 April 2024 (less than a 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 cores1024768
Core clock speed2000 MHz727 MHz
Boost clock speed2400 MHz1762 MHz
Number of transistors5,400 million8,700 million
Manufacturing process technology6 nm8 nm
Power consumption (TDP)50 Watt50 Watt
Texture fill rate153.642.29
Floating-point processing power4.915 TFLOPS2.706 TFLOPS
ROPs3216
TMUs6424
Tensor Coresno data24
Ray Tracing Cores166

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).

Laptop sizemedium sizedno data
InterfacePCIe 4.0 x4PCIe 4.0 x8
Lengthno data163 mm
Widthno data1-slot
Supplementary power connectorsNoneNone

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 amount4 GB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed2000 MHz1500 MHz
Memory bandwidth128.0 GB/s96 GB/s
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 ConnectorsPortable Device Dependent4x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL2.23.0
Vulkan1.31.3
CUDA-8.6

Pros & cons summary


Recency 4 January 2023 16 April 2024
Chip lithography 6 nm 8 nm

RX 6550S has a 33.3% more advanced lithography process.

RTX A400, on the other hand, has an age advantage of 1 year.

We couldn't decide between Radeon RX 6550S and RTX A400. We've got no test results to judge.

Be aware that Radeon RX 6550S is a notebook card while RTX A400 is a workstation 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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AMD Radeon RX 6550S
Radeon RX 6550S
NVIDIA RTX A400
RTX A400

Comparisons with similar GPUs

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Community ratings

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2.8 10 votes

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3.4 12 votes

Rate RTX A400 on a scale of 1 to 5:

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Questions & comments

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