NVIDIA GeForce MX450 25W vs NVIDIA GeForce RTX 5090 Mobile

VS

NVIDIA GeForce MX450 25W

NVIDIA GeForce RTX 5090 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce MX450 25W 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 MX450 25W 's Advantages

Lower TDP (25W vs 175W)

NVIDIA GeForce RTX 5090 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)

9856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce MX450 25W

1.667 TFLOPS

GeForce RTX 5090 Mobile +2480%

43.01 TFLOPS

GeForce MX450 25W

VS

GeForce RTX 5090 Mobile

Graphics Card

Aug 2020

Release Date

Jan 2025

GeForce MX

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 5.0 x16

Clock Speeds

720 MHz

Base Clock

1500 MHz

930 MHz

Boost Clock

2000 MHz

1250 MHz

Memory Clock

2500 MHz

Memory

2GB

Memory Size

16GB

GDDR6

Memory Type

GDDR7

64bit

Memory Bus

256bit

80.00GB/s

Bandwidth

1.01TB/s

Render Config

-

14

SM Count

84

896

Shading Units

10752

56

TMUs

336

32

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

64 KB (per SM)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

64 MB

-

Theoretical Performance

29.76 GPixel/s

Pixel Rate

256.0 GPixel/s

52.08 GTexel/s

Texture Rate

672.0 GTexel/s

3.333 TFLOPS

FP16 (half)

43.01 TFLOPS

1.667 TFLOPS

FP32 (float)

43.01 TFLOPS

52.08 GFLOPS

FP64 (double)

672.0 GFLOPS

Board Design

25W

TDP

175W

-

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

TU117

GPU Name

GB203

N18S-G5

GPU Variant

-

Turing

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

4 nm

4.7 billion

Transistors

Unknown

200 mm²

Die Size

377 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

7.5

CUDA

10.1

6.6

Shader Model

6.8

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