RTX A400 vs RTX A4000H

VS

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
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA104GA107
Market segmentWorkstationWorkstation
Release date12 April 2021 (3 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 cores6144768
Core clock speed735 MHz727 MHz
Boost clock speed1560 MHz1762 MHz
Number of transistors17,400 million8,700 million
Manufacturing process technology8 nm8 nm
Power consumption (TDP)140 Watt50 Watt
Texture fill rate299.542.29
Floating-point processing power19.17 TFLOPS2.706 TFLOPS
ROPs9616
TMUs19224
Tensor Cores19224
Ray Tracing Cores486

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
Length241 mm163 mm
Width1-slot1-slot
Supplementary power connectors1x 6-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 typeGDDR6GDDR6
Maximum RAM amount16 GB4 GB
Memory bus width256 Bit64 Bit
Memory clock speed1750 MHz1500 MHz
Memory bandwidth448.0 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 Connectors4x DisplayPort 1.4a4x 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
OpenCL3.03.0
Vulkan1.31.3
CUDA8.68.6

Pros & cons summary


Recency 12 April 2021 16 April 2024
Maximum RAM amount 16 GB 4 GB
Power consumption (TDP) 140 Watt 50 Watt

RTX A4000H has a 300% higher maximum VRAM amount.

RTX A400, on the other hand, has an age advantage of 3 years, and 180% lower power consumption.

We couldn't decide between RTX A4000H and RTX A400. 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.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA RTX A4000H
RTX A4000H
NVIDIA RTX A400
RTX A400

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


No user ratings yet.

Rate RTX A4000H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.4 12 votes

Rate RTX A400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.