NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce MX450 25W

VS

NVIDIA GeForce RTX 5080 Mobile

NVIDIA GeForce MX450 25W

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5080 Mobile and 2GB VRAM GeForce MX450 25W 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 4 years and 5 months late

Boost Clock has increased by 115% (2000MHz vs 930MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 80.00GB/s)

7296 additional rendering cores

NVIDIA GeForce MX450 25W 's Advantages

Lower TDP (25W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 Mobile +1865%

32.77 TFLOPS

GeForce MX450 25W

1.667 TFLOPS

GeForce RTX 5080 Mobile

VS

GeForce MX450 25W

Graphics Card

Jan 2025

Release Date

Aug 2020

GeForce 50 Mobile

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1500 MHz

Base Clock

720 MHz

2000 MHz

Boost Clock

930 MHz

2500 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

2GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

64bit

1.01TB/s

Bandwidth

80.00GB/s

Render Config

-

64

SM Count

14

8192

Shading Units

896

256

TMUs

56

96

ROPs

32

256

Tensor Cores

-

64

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

192.0 GPixel/s

Pixel Rate

29.76 GPixel/s

512.0 GTexel/s

Texture Rate

52.08 GTexel/s

32.77 TFLOPS

FP16 (half)

3.333 TFLOPS

32.77 TFLOPS

FP32 (float)

1.667 TFLOPS

512.0 GFLOPS

FP64 (double)

52.08 GFLOPS

Board Design

175W

TDP

25W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

TU117

-

GPU Variant

N18S-G5

Blackwell 2.0

Architecture

Turing

TSMC

Foundry

TSMC

4 nm

Process Size

12 nm

Unknown

Transistors

4.7 billion

377 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

10.1

CUDA

7.5

6.8

Shader Model

6.6

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