AMD Radeon RX 7900M vs NVIDIA GeForce MX450 25W

VS

AMD Radeon RX 7900M

NVIDIA GeForce MX450 25W

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 2GB VRAM GeForce MX450 25W to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 125% (2090MHz vs 930MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 80.00GB/s)

3712 additional rendering cores

NVIDIA GeForce MX450 25W 's Advantages

Lower TDP (25W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +2210%

38.52 TFLOPS

GeForce MX450 25W

1.667 TFLOPS

Blender

Radeon RX 7900M +1475%

2583

GeForce MX450 25W

164

Radeon RX 7900M

VS

GeForce MX450 25W

Graphics Card

Oct 2023

Release Date

Aug 2020

Navi Mobile

Generation

GeForce MX

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1825 MHz

Base Clock

720 MHz

2090 MHz

Boost Clock

930 MHz

2250 MHz

Memory Clock

1250 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

80.00GB/s

Render Config

72

Compute Units

-

SM Count

14

4608

Shading Units

896

288

TMUs

56

192

ROPs

32

-

72

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

512 KB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

29.76 GPixel/s

601.9 GTexel/s

Texture Rate

52.08 GTexel/s

77.05 TFLOPS

FP16 (half)

3.333 TFLOPS

38.52 TFLOPS

FP32 (float)

1.667 TFLOPS

1204 GFLOPS

FP64 (double)

52.08 GFLOPS

Board Design

180W

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

TU117

Navi 31

GPU Variant

N18S-G5

RDNA 3.0

Architecture

Turing

TSMC

Foundry

TSMC

5 nm

Process Size

12 nm

57.7 billion

Transistors

4.7 billion

529 mm²

Die Size

200 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

7.5

6.7

Shader Model

6.6

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