NVIDIA GeForce RTX 4090 D vs NVIDIA GeForce RTX 5080 Mobile

VS

NVIDIA GeForce RTX 4090 D

NVIDIA GeForce RTX 5080 Mobile

We compared a Desktop platform GPU: 24GB VRAM GeForce RTX 4090 D and a Mobile platform GPU: 16GB VRAM GeForce RTX 5080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 D 's Advantages

Boost Clock has increased by 26% (2520MHz vs 2000MHz)

More VRAM (24GB vs 16GB)

6400 additional rendering cores

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 1 years and 1 months late

Larger VRAM bandwidth (1.01TB/s vs 1008GB/s)

Lower TDP (175W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 D +124%

73.54 TFLOPS

GeForce RTX 5080 Mobile

32.77 TFLOPS

GeForce RTX 4090 D

VS

GeForce RTX 5080 Mobile

Graphics Card

Dec 2023

Release Date

Jan 2025

GeForce 40

Generation

GeForce 50 Mobile

Desktop

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

2280 MHz

Base Clock

1500 MHz

2520 MHz

Boost Clock

2000 MHz

1313 MHz

Memory Clock

2500 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR7

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

1.01TB/s

Render Config

-

114

SM Count

64

14592

Shading Units

8192

456

TMUs

256

176

ROPs

96

456

Tensor Cores

256

114

RT Cores

64

128 KB (per SM)

L1 Cache

128 KB (per SM)

72 MB

L2 Cache

64 MB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

192.0 GPixel/s

1149 GTexel/s

Texture Rate

512.0 GTexel/s

73.54 TFLOPS

FP16 (half)

32.77 TFLOPS

73.54 TFLOPS

FP32 (float)

32.77 TFLOPS

1149 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

425W

TDP

175W

800 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x 16-pin

Power Connectors

None

Graphics Processor

AD102

GPU Name

GB203

AD102-250-A1

GPU Variant

-

Ada Lovelace

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

76.3 billion

Transistors

Unknown

609 mm²

Die Size

377 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

8.9

CUDA

10.1

6.7

Shader Model

6.8

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