NVIDIA GeForce RTX 4080 Max-Q vs NVIDIA GeForce RTX 5090 Mobile

VS

NVIDIA GeForce RTX 4080 Max-Q

NVIDIA GeForce RTX 5090 Mobile

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Max Q 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 4080 Max-Q 's Advantages

Lower TDP (60W vs 175W)

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 2 years late

Boost Clock has increased by 48% (2000MHz vs 1350MHz)

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (1.01TB/s vs 336.0GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Max Q

20.04 TFLOPS

GeForce RTX 5090 Mobile +114%

43.01 TFLOPS

GeForce RTX 4080 Max Q

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

795 MHz

Base Clock

1500 MHz

1350 MHz

Boost Clock

2000 MHz

1750 MHz

Memory Clock

2500 MHz

Memory

12GB

Memory Size

16GB

GDDR6

Memory Type

GDDR7

192bit

Memory Bus

256bit

336.0GB/s

Bandwidth

1.01TB/s

Render Config

-

58

SM Count

84

7424

Shading Units

10752

232

TMUs

336

80

ROPs

128

232

Tensor Cores

336

58

RT Cores

84

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

64 MB

-

Theoretical Performance

108.0 GPixel/s

Pixel Rate

256.0 GPixel/s

313.2 GTexel/s

Texture Rate

672.0 GTexel/s

20.04 TFLOPS

FP16 (half)

43.01 TFLOPS

20.04 TFLOPS

FP32 (float)

43.01 TFLOPS

313.2 GFLOPS

FP64 (double)

672.0 GFLOPS

Board Design

60W

TDP

175W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

AD104

GPU Name

GB203

GN21-X9

GPU Variant

-

Ada Lovelace

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

4 nm

35.8 billion

Transistors

Unknown

295 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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