RTX A400 vs GeForce RTX 3080 Ti 20 GB

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Primary details

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

Place in the rankingnot rated406
Place by popularitynot in top-100not in top-100
Power efficiencyno data16.62
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA102GA107
Market segmentDesktopWorkstation
Release dateJanuary 2022 (2 years ago)16 April 2024 (less than a year ago)
Launch price (MSRP)$1,199 no data

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 cores10240768
Core clock speed1335 MHz727 MHz
Boost clock speed1665 MHz1762 MHz
Number of transistors28,300 million8,700 million
Manufacturing process technology8 nm8 nm
Power consumption (TDP)350 Watt50 Watt
Texture fill rate532.842.29
Floating-point processing power34.1 TFLOPS2.706 TFLOPS
ROPs11216
TMUs32024
Tensor Cores32024
Ray Tracing Cores806

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 x16PCIe 4.0 x8
Length285 mm163 mm
Width2-slot1-slot
Supplementary power connectors1x 12-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 typeGDDR6XGDDR6
Maximum RAM amount20 GB4 GB
Memory bus width320 Bit64 Bit
Memory clock speed1188 MHz1500 MHz
Memory bandwidth760.3 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 2.1, 3x DisplayPort 1.4a4x mini-DisplayPort 1.4a
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.66.7
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.3
CUDA8.68.6

Pros & cons summary


Maximum RAM amount 20 GB 4 GB
Power consumption (TDP) 350 Watt 50 Watt

RTX 3080 Ti 20 GB has a 400% higher maximum VRAM amount.

RTX A400, on the other hand, has 600% lower power consumption.

We couldn't decide between GeForce RTX 3080 Ti 20 GB and RTX A400. We've got no test results to judge.

Be aware that GeForce RTX 3080 Ti 20 GB 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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NVIDIA GeForce RTX 3080 Ti 20 GB
GeForce RTX 3080 Ti 20 GB
NVIDIA RTX A400
RTX A400

Comparisons with similar GPUs

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Community ratings

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2 148 votes

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2.9 15 votes

Rate RTX A400 on a scale of 1 to 5:

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