AMD Radeon RX 7900M vs AMD Radeon R9 M470X

VS

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 4GB VRAM Radeon R9 M470X 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 5 months late

Boost Clock has increased by 90% (2090MHz vs 1100MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 76.80GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7900M +1854%

38.52 TFLOPS

Radeon R9 M470X

1.971 TFLOPS

Radeon RX 7900M

VS

Radeon R9 M470X

Graphics Card

Oct 2023

Release Date

May 2016

Navi Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

1000 MHz

2090 MHz

Boost Clock

1100 MHz

2250 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

72

Compute Units

14

4608

Shading Units

896

288

TMUs

56

192

ROPs

16

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

17.60 GPixel/s

601.9 GTexel/s

Texture Rate

61.60 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

1.971 TFLOPS

1204 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

Navi 31

GPU Name

Emerald

Navi 31

GPU Variant

Emerald XT

RDNA 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

2.08 billion

529 mm²

Die Size

160 mm²

Board Design

180W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2.170

-

CUDA

-

6.7

Shader Model

6.5

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