NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 5090 Mobile

VS

NVIDIA GeForce RTX 4090 Mobile

NVIDIA GeForce RTX 5090 Mobile

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 16GB VRAM GeForce RTX 5090 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Lower TDP (80W vs 175W)

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 2 years late

Boost Clock has increased by 18% (2000MHz vs 1695MHz)

Larger VRAM bandwidth (1.01TB/s vs 576.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile

32.98 TFLOPS

GeForce RTX 5090 Mobile +30%

43.01 TFLOPS

GeForce RTX 4090 Mobile

VS

GeForce RTX 5090 Mobile

Graphics Card

Jan 2023

Release Date

Jan 2025

GeForce 40 Mobile

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

1335 MHz

Base Clock

1500 MHz

1695 MHz

Boost Clock

2000 MHz

2250 MHz

Memory Clock

2500 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR7

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

1.01TB/s

Render Config

-

76

SM Count

84

9728

Shading Units

10752

304

TMUs

336

112

ROPs

128

304

Tensor Cores

336

76

RT Cores

84

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

64 MB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

256.0 GPixel/s

515.3 GTexel/s

Texture Rate

672.0 GTexel/s

32.98 TFLOPS

FP16 (half)

43.01 TFLOPS

32.98 TFLOPS

FP32 (float)

43.01 TFLOPS

515.3 GFLOPS

FP64 (double)

672.0 GFLOPS

Board Design

80-150W

TDP

175W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

AD103

GPU Name

GB203

GN21-X11

GPU Variant

-

Ada Lovelace

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

4 nm

45.9 billion

Transistors

Unknown

379 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

6.8

Shader Model

6.8

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