NVIDIA GeForce MX450 25W vs AMD Radeon RX 7800M

VS

NVIDIA GeForce MX450 25W

AMD Radeon RX 7800M

We compared two Mobile platform GPUs: 2GB VRAM GeForce MX450 25W and 12GB VRAM Radeon RX 7800M 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 180W)

AMD Radeon RX 7800M 's Advantages

Released 4 years and 1 months late

Boost Clock has increased by 131% (2145MHz vs 930MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432GB/s vs 80.00GB/s)

2944 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce MX450 25W

1.667 TFLOPS

Radeon RX 7800M +2051%

35.87 TFLOPS

GeForce MX450 25W

VS

Radeon RX 7800M

Graphics Card

Aug 2020

Release Date

Sep 2024

GeForce MX

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 4.0 x16

Clock Speeds

720 MHz

Base Clock

1825 MHz

930 MHz

Boost Clock

2145 MHz

1250 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

64bit

Memory Bus

192bit

80.00GB/s

Bandwidth

432GB/s

Render Config

-

Compute Units

60

14

SM Count

-

896

Shading Units

3840

56

TMUs

240

32

ROPs

96

-

RT Cores

60

64 KB (per SM)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

48 MB

Theoretical Performance

29.76 GPixel/s

Pixel Rate

401.3 GPixel/s

52.08 GTexel/s

Texture Rate

560.4 GTexel/s

3.333 TFLOPS

FP16 (half)

71.73 TFLOPS

1.667 TFLOPS

FP32 (float)

35.87 TFLOPS

52.08 GFLOPS

FP64 (double)

1121 GFLOPS

Board Design

25W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

TU117

GPU Name

Navi 32

N18S-G5

GPU Variant

Navi 32

Turing

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

12 nm

Process Size

5 nm

4.7 billion

Transistors

28.1 billion

200 mm²

Die Size

529 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

7.5

CUDA

-

6.6

Shader Model

6.7

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