RTX A400 vs Radeon Graphics 128SP

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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 data15.71
ArchitectureRDNA 2.0 (2020−2024)Ampere (2020−2024)
GPU code nameRaphaelGA107
Market segmentDesktopWorkstation
Release date27 September 2022 (2 years 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 cores128768
Core clock speed400 MHz727 MHz
Boost clock speed2200 MHz1762 MHz
Number of transistors3,400 million8,700 million
Manufacturing process technology5 nm8 nm
Power consumption (TDP)15 Watt50 Watt
Texture fill rate17.6042.29
Floating-point processing power0.5632 TFLOPS2.706 TFLOPS
ROPs816
TMUs824
Tensor Coresno data24
Ray Tracing Cores26

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 x8PCIe 4.0 x8
Lengthno data163 mm
WidthIGP1-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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared1500 MHz
Memory bandwidthno data96 GB/s

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 ConnectorsMotherboard 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
OpenCL2.03.0
Vulkan1.31.3
CUDA-8.6

Pros & cons summary


Recency 27 September 2022 16 April 2024
Chip lithography 5 nm 8 nm
Power consumption (TDP) 15 Watt 50 Watt

Graphics 128SP has a 60% more advanced lithography process, and 233.3% lower power consumption.

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

We couldn't decide between Radeon Graphics 128SP and RTX A400. We've got no test results to judge.

Be aware that Radeon Graphics 128SP is a desktop 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 Graphics 128SP
Radeon Graphics 128SP
NVIDIA RTX A400
RTX A400

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.8 4 votes

Rate Radeon Graphics 128SP on a scale of 1 to 5:

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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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