T400 vs RTX A4000

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Aggregate performance score

We've compared RTX A4000 and T400, covering specs and all relevant benchmarks.

RTX A4000
2021
16 GB GDDR6, 140 Watt
50.51
+437%

RTX A4000 outperforms T400 by a whopping 437% based on our aggregate benchmark results.

Primary details

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

Place in the ranking58472
Place by popularitynot in top-100not in top-100
Power efficiency24.7321.48
ArchitectureAmpere (2020−2024)Turing (2018−2022)
GPU code nameGA104TU117
Market segmentWorkstationWorkstation
Release date12 April 2021 (3 years ago)6 May 2021 (3 years 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 cores6144384
Core clock speed735 MHz420 MHz
Boost clock speed1560 MHz1425 MHz
Number of transistors17,400 million4,700 million
Manufacturing process technology8 nm12 nm
Power consumption (TDP)140 Watt30 Watt
Texture fill rate299.534.20
Floating-point processing power19.17 TFLOPS1.094 TFLOPS
ROPs9616
TMUs19224
Tensor Cores192no data
Ray Tracing Cores48no data

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 3.0 x16
Length241 mmno data
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 GB2 GB
Memory bus width256 Bit64 Bit
Memory clock speed1750 MHz1250 MHz
Memory bandwidth448.0 GB/s80 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 1.4a3x mini-DisplayPort

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.76.6
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.2
CUDA8.67.5

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 50.51
+437%
T400 9.40

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 19462
+437%
T400 3621

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

RTX A4000 121218
+615%
T400 16959

GeekBench 5 Vulkan

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.

RTX A4000 111279
+602%
T400 15843

GeekBench 5 CUDA

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses CUDA API by NVIDIA.

RTX A4000 124547
+639%
T400 16856

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 50.51 9.40
Maximum RAM amount 16 GB 2 GB
Chip lithography 8 nm 12 nm
Power consumption (TDP) 140 Watt 30 Watt

RTX A4000 has a 437.3% higher aggregate performance score, a 700% higher maximum VRAM amount, and a 50% more advanced lithography process.

T400, on the other hand, has 366.7% lower power consumption.

The RTX A4000 is our recommended choice as it beats the T400 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 T400
T400

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.


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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.