NVIDIA GeForce RTX 4090 vs NVIDIA RTX A4000H

VS

NVIDIA GeForce RTX 4090 NVIDIA RTX A4000H

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 1 years and 5 months late

Boost Clock has increased by 62% (2520MHz vs 1560MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1008GB/s vs 448.0GB/s)

10240 additional rendering cores

NVIDIA RTX A4000H 's Advantages

Lower TDP (140W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +330%

82.58 TFLOPS

RTX A4000H

19.17 TFLOPS

GeForce RTX 4090

VS

RTX A4000H

Graphics Card

Sep 2022

Release Date

Apr 2021

GeForce 40

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

735 MHz

2520 MHz

Boost Clock

1560 MHz

1313 MHz

Memory Clock

1750 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

448.0GB/s

Render Config

128

SM Count

48

-

Compute Units

-

16384

Shading Units

6144

512

TMUs

192

176

ROPs

96

512

Tensor Cores

192

128

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

72 MB

L2 Cache

4 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

149.8 GPixel/s

1290 GTexel/s

Texture Rate

299.5 GTexel/s

82.58 TFLOPS

FP16 (half)

19.17 TFLOPS

82.58 TFLOPS

FP32 (float)

19.17 TFLOPS

1290 GFLOPS

FP64 (double)

299.5 GFLOPS

Graphics Processor

AD102

GPU Name

GA104

AD102-300-A1

GPU Variant

GA104-???-A1

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

76.3 billion

Transistors

17.4 billion

609 mm²

Die Size

392 mm²

Board Design

450W

TDP

140W

850 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 6-pin

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

8.9

CUDA

8.6

6.7

Shader Model

6.7

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