NVIDIA RTX A4000H vs NVIDIA RTX A400

VS

NVIDIA RTX A4000H

NVIDIA RTX A400

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 96.00GB/s)

5376 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 3 years late

Boost Clock has increased by 13% (1762MHz vs 1560MHz)

Lower TDP (50W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000H +608%

19.17 TFLOPS

RTX A400

2.706 TFLOPS

RTX A4000H

VS

RTX A400

Graphics Card

Apr 2021

Release Date

Apr 2024

Quadro Ampere

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

735 MHz

Base Clock

1417 MHz

1560 MHz

Boost Clock

1762 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

96.00GB/s

Render Config

-

48

SM Count

6

6144

Shading Units

768

192

TMUs

24

96

ROPs

16

192

Tensor Cores

24

48

RT Cores

6

128 KB (per SM)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

2 MB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

28.19 GPixel/s

299.5 GTexel/s

Texture Rate

42.29 GTexel/s

19.17 TFLOPS

FP16 (half)

2.706 TFLOPS

19.17 TFLOPS

FP32 (float)

2.706 TFLOPS

299.5 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

140W

TDP

50W

300 W

Suggested PSU

250 W

4x DisplayPort 1.4a

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

GA104

GPU Name

GA107

GA104-???-A1

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

17.4 billion

Transistors

8.7 billion

392 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

8.6

6.7

Shader Model

6.8

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