RTX A400 vs Radeon RX Vega XT

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Primary details

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

Place in the rankingnot rated419
Place by popularitynot in top-100not in top-100
Power efficiencyno data15.45
ArchitectureGCN 5.0 (2017−2020)Ampere (2020−2024)
GPU code nameVega 10GA107
Market segmentDesktopWorkstation
Release date8 August 2017 (7 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 cores4096768
Core clock speed1500 MHz727 MHz
Boost clock speed1630 MHz1762 MHz
Number of transistorsno data8,700 million
Manufacturing process technology14 nm8 nm
Power consumption (TDP)225 Watt50 Watt
Texture fill rate417.342.29
Floating-point processing powerno data2.706 TFLOPS
ROPs6416
TMUs25624
Tensor Coresno data24
Ray Tracing Coresno data6

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 3.0 x16PCIe 4.0 x8
Length267 mm163 mm
Width2-slot1-slot
Supplementary power connectors2x 8-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 typeHBM2GDDR6
Maximum RAM amount8 GB4 GB
Memory bus width2048 Bit64 Bit
Memory clock speed1890 MHz1500 MHz
Memory bandwidth483.8 GB/s96 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 Connectors1x HDMI, 3x DisplayPort4x mini-DisplayPort 1.4a
HDMI+-

API compatibility

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

DirectX12.012 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.54.6
OpenCL2.03.0
Vulkan-1.3
CUDA-8.6

Pros & cons summary


Recency 8 August 2017 16 April 2024
Maximum RAM amount 8 GB 4 GB
Chip lithography 14 nm 8 nm
Power consumption (TDP) 225 Watt 50 Watt

RX Vega XT has a 100% higher maximum VRAM amount.

RTX A400, on the other hand, has an age advantage of 6 years, a 75% more advanced lithography process, and 350% lower power consumption.

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

Be aware that Radeon RX Vega XT 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 RX Vega XT
Radeon RX Vega XT
NVIDIA RTX A400
RTX A400

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Community ratings

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