NVIDIA RTX A4000H vs NVIDIA T400 4 GB

VS

NVIDIA RTX A4000H

NVIDIA T400 4 GB

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 4GB VRAM T400 4 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Boost Clock has increased by 9% (1560MHz vs 1425MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 80.00GB/s)

5760 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Lower TDP (30W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000H +1652%

19.17 TFLOPS

T400 4 GB

1.094 TFLOPS

RTX A4000H

VS

T400 4 GB

Graphics Card

Apr 2021

Release Date

May 2021

Quadro Ampere

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

420 MHz

1560 MHz

Boost Clock

1425 MHz

1750 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

80.00GB/s

Render Config

-

48

SM Count

6

6144

Shading Units

384

192

TMUs

24

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

22.80 GPixel/s

299.5 GTexel/s

Texture Rate

34.20 GTexel/s

19.17 TFLOPS

FP16 (half)

2.189 TFLOPS

19.17 TFLOPS

FP32 (float)

1094 GFLOPS

299.5 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

140W

TDP

30W

300 W

Suggested PSU

200 W

4x DisplayPort 1.4a

Outputs

3x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

GA104

GPU Name

TU117

GA104-???-A1

GPU Variant

-

Ampere

Architecture

Turing

Samsung

Foundry

TSMC

8 nm

Process Size

12 nm

17.4 billion

Transistors

4.7 billion

392 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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