NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce RTX 4090 Max-Q

VS

NVIDIA GeForce RTX 5080 Mobile

NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 16GB VRAM GeForce RTX 4090 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 2 years late

Boost Clock has increased by 37% (2000MHz vs 1455MHz)

Larger VRAM bandwidth (1.01TB/s vs 448.0GB/s)

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

1536 additional rendering cores

Lower TDP (80W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +15%

32.77 TFLOPS

GeForce RTX 4090 Max Q

28.31 TFLOPS

GeForce RTX 5080 Mobile

VS

GeForce RTX 4090 Max Q

Graphics Card

Jan 2025

Release Date

Jan 2023

GeForce 50 Mobile

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1500 MHz

Base Clock

930 MHz

2000 MHz

Boost Clock

1455 MHz

2500 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

16GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

256bit

1.01TB/s

Bandwidth

448.0GB/s

Render Config

-

64

SM Count

76

8192

Shading Units

9728

256

TMUs

304

96

ROPs

112

256

Tensor Cores

304

64

RT Cores

76

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

64 MB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

163.0 GPixel/s

512.0 GTexel/s

Texture Rate

442.3 GTexel/s

32.77 TFLOPS

FP16 (half)

28.31 TFLOPS

32.77 TFLOPS

FP32 (float)

28.31 TFLOPS

512.0 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

175W

TDP

80W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

AD103

-

GPU Variant

GN21-X11

Blackwell 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

4 nm

Process Size

4 nm

Unknown

Transistors

45.9 billion

377 mm²

Die Size

379 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

10.1

CUDA

8.9

6.8

Shader Model

6.7

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