AMD Radeon RX 7900M vs ATI Mobility Radeon HD 3670

VS

AMD Radeon RX 7900M

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 256MB VRAM Mobility Radeon HD 3670 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 25.60GB/s)

4488 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +23531%

38.52 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Radeon RX 7900M

VS

Mobility Radeon HD 3670

Graphics Card

Oct 2023

Release Date

Jan 2008

Navi Mobile

Generation

M8x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2090 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

25.60GB/s

Render Config

72

Compute Units

3

-

4608

Shading Units

120

288

TMUs

8

192

ROPs

4

-

72

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

2.720 GPixel/s

601.9 GTexel/s

Texture Rate

5.440 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

163.2 GFLOPS

1204 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

30W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 31

GPU Name

M86

Navi 31

GPU Variant

-

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

57.7 billion

Transistors

0.378 billion

529 mm²

Die Size

135 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (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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