AMD Radeon RX 7900M vs AMD Radeon RX 470 Mobile

VS

AMD Radeon RX 7900M AMD Radeon RX 470 Mobile

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 8GB VRAM Radeon RX 470 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 7 years and 2 months late

Boost Clock has increased by 95% (2090MHz vs 1074MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 224.0GB/s)

2560 additional rendering cores

AMD Radeon RX 470 Mobile 's Advantages

Lower TDP (85W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +775%

38.52 TFLOPS

Radeon RX 470 Mobile

4.399 TFLOPS

Radeon RX 7900M

VS

Radeon RX 470 Mobile

Graphics Card

Oct 2023

Release Date

Aug 2016

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1825 MHz

Base Clock

926 MHz

2090 MHz

Boost Clock

1074 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

72

Compute Units

32

4608

Shading Units

2048

288

TMUs

128

192

ROPs

32

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

34.37 GPixel/s

601.9 GTexel/s

Texture Rate

137.5 GTexel/s

77.05 TFLOPS

FP16 (half)

4.399 TFLOPS

38.52 TFLOPS

FP32 (float)

4.399 TFLOPS

1204 GFLOPS

FP64 (double)

274.9 GFLOPS

Graphics Processor

Navi 31

GPU Name

Ellesmere

Navi 31

GPU Variant

Ellesmere PRO

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

5.7 billion

529 mm²

Die Size

232 mm²

Board Design

180W

TDP

85W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

6.4

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