AMD Radeon RX 7900M vs ATI Mobility Radeon HD 3450

VS

AMD Radeon RX 7900M

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 15 years and 9 months late

Boost Clock2090MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (576.0GB/s vs 6.400GB/s)

4568 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7900M +96200%

38.52 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon RX 7900M

VS

Mobility Radeon HD 3450

Graphics Card

Oct 2023

Release Date

Jan 2008

Navi Mobile

Generation

M8x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-II

Clock Speeds

1825 MHz

Base Clock

-

2090 MHz

Boost Clock

-

2250 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

6.400GB/s

Render Config

72

Compute Units

2

-

4608

Shading Units

40

288

TMUs

4

192

ROPs

4

-

72

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

64 KB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

2.000 GPixel/s

601.9 GTexel/s

Texture Rate

2.000 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

40.00 GFLOPS

1204 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 31

GPU Name

M82

Navi 31

GPU Variant

M82-SCE XT (216-0707011)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

57.7 billion

Transistors

0.181 billion

529 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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