RTX A400 vs RTX A4000

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Aggregate performance score

We've compared RTX A4000 and RTX A400, covering specs and all relevant benchmarks.

RTX A4000
2021
16 GB GDDR6, 140 Watt
50.35
+395%

RTX A4000 outperforms RTX A400 by a whopping 395% based on our aggregate benchmark results.

Primary details

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

Place in the ranking56440
Place by popularitynot in top-100not in top-100
Power efficiency25.0114.16
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

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RTX A4000 50.35
+395%
RTX A400 10.18

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RTX A4000 19428
+394%
RTX A400 3929

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 50.35 10.18
Recency 12 April 2021 16 April 2024
Maximum RAM amount 16 GB 4 GB
Power consumption (TDP) 140 Watt 50 Watt

RTX A4000 has a 394.6% higher aggregate performance score, and a 300% higher maximum VRAM amount.

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

The RTX A4000 is our recommended choice as it beats the RTX A400 in performance tests.


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 RTX A4000
RTX A4000
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.


4 624 votes

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3.3 11 votes

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Questions & comments

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