AMD Radeon RX 7800M vs AMD Radeon R9 M395 Mac Edition

VS

AMD Radeon RX 7800M

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 9 years and 4 months late

Boost Clock2145MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432GB/s vs 174.7GB/s)

2048 additional rendering cores

Lower TDP (180W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +1100%

35.87 TFLOPS

Radeon R9 M395 Mac Edition

2.989 TFLOPS

Radeon RX 7800M

VS

Radeon R9 M395 Mac Edition

Graphics Card

Sep 2024

Release Date

May 2015

Navi Mobile

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1825 MHz

Base Clock

-

2145 MHz

Boost Clock

-

2250 MHz

Memory Clock

1365 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432GB/s

Bandwidth

174.7GB/s

Render Config

60

Compute Units

28

-

3840

Shading Units

1792

240

TMUs

112

96

ROPs

32

-

60

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

-

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

26.69 GPixel/s

560.4 GTexel/s

Texture Rate

93.41 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

2.989 TFLOPS

1121 GFLOPS

FP64 (double)

373.6 GFLOPS

Board Design

180W

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

Amethyst

Navi 32

GPU Variant

Amethyst PRO (216-0872004)

RDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

5 billion

529 mm²

Die Size

366 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

6.7

Shader Model

6.3

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