NVIDIA RTX A400 vs NVIDIA GeForce RTX 4090 D

VS

NVIDIA RTX A400

NVIDIA GeForce RTX 4090 D

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 24GB VRAM GeForce RTX 4090 D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Lower TDP (50W vs 425W)

NVIDIA GeForce RTX 4090 D 's Advantages

Boost Clock has increased by 43% (2520MHz vs 1762MHz)

More VRAM (24GB vs 4GB)

Larger VRAM bandwidth (1008GB/s vs 96.00GB/s)

13824 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

GeForce RTX 4090 D +2617%

73.54 TFLOPS

RTX A400

VS

GeForce RTX 4090 D

Graphics Card

Apr 2024

Release Date

Dec 2023

Quadro Ampere(Ax000)

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1417 MHz

Base Clock

2280 MHz

1762 MHz

Boost Clock

2520 MHz

1500 MHz

Memory Clock

1313 MHz

Memory

4GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6X

64bit

Memory Bus

384bit

96.00GB/s

Bandwidth

1008GB/s

Render Config

-

6

SM Count

114

768

Shading Units

14592

24

TMUs

456

16

ROPs

176

24

Tensor Cores

456

6

RT Cores

114

128 KB (per SM)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

72 MB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

443.5 GPixel/s

42.29 GTexel/s

Texture Rate

1149 GTexel/s

2.706 TFLOPS

FP16 (half)

73.54 TFLOPS

2.706 TFLOPS

FP32 (float)

73.54 TFLOPS

42.29 GFLOPS

FP64 (double)

1149 GFLOPS

Board Design

50W

TDP

425W

250 W

Suggested PSU

800 W

4x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 16-pin

Graphics Processor

GA107

GPU Name

AD102

-

GPU Variant

AD102-250-A1

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

5 nm

8.7 billion

Transistors

76.3 billion

200 mm²

Die Size

609 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

8.9

6.8

Shader Model

6.7

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