AMD Radeon R9 M390 Mac Edition vs AMD Radeon RX 6550M

VS

AMD Radeon R9 M390 Mac Edition

AMD Radeon RX 6550M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 4GB VRAM Radeon RX 6550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 144.0GB/s)

AMD Radeon RX 6550M 's Advantages

Released 7 years and 8 months late

Boost Clock2840MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon RX 6550M +196%

5.816 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon RX 6550M

Graphics Card

May 2015

Release Date

Jan 2023

Crystal System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

2840 MHz

1365 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

144.0GB/s

Render Config

16

Compute Units

16

-

1024

Shading Units

1024

64

TMUs

64

32

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

90.88 GPixel/s

61.31 GTexel/s

Texture Rate

181.8 GTexel/s

-

FP16 (half)

11.63 TFLOPS

1.962 TFLOPS

FP32 (float)

5.816 TFLOPS

122.6 GFLOPS

FP64 (double)

363.5 GFLOPS

Board Design

80W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Navi 24

Pitcairn PRO (215-0828062)

GPU Variant

Navi 24

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.8 billion

Transistors

5.4 billion

212 mm²

Die Size

107 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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