NVIDIA RTX A400 vs NVIDIA T400

VS

NVIDIA RTX A400

NVIDIA T400

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 24% (1762MHz vs 1425MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 80.00GB/s)

384 additional rendering cores

NVIDIA T400 's Advantages

Lower TDP (30W vs 50W)

Score

Benchmark

FP32 (float)

RTX A400 +147%

2.706 TFLOPS

T400

1.094 TFLOPS

RTX A400

VS

T400

Graphics Card

Apr 2024

Release Date

May 2021

Quadro Ampere

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

727 MHz

Base Clock

420 MHz

1762 MHz

Boost Clock

1425 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

64bit

96.00GB/s

Bandwidth

80.00GB/s

Render Config

-

6

SM Count

6

768

Shading Units

384

24

TMUs

24

16

ROPs

16

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

22.80 GPixel/s

42.29 GTexel/s

Texture Rate

34.20 GTexel/s

2.706 TFLOPS

FP16 (half)

2.189 TFLOPS

2.706 TFLOPS

FP32 (float)

1094 GFLOPS

42.29 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

50W

TDP

30W

250 W

Suggested PSU

200 W

4x mini-DisplayPort 1.4a

Outputs

3x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GA107

GPU Name

TU117

-

Ampere

Architecture

Turing

Samsung

Foundry

TSMC

8 nm

Process Size

12 nm

8.7 billion

Transistors

4.7 billion

200 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

7.5

6.7

Shader Model

6.6

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