AMD Radeon RX 6300M vs AMD Radeon R9 M390 Mac Edition

VS

AMD Radeon RX 6300M

AMD Radeon R9 M390 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 6300M and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300M 's Advantages

Released 6 years and 8 months late

Boost Clock2400MHz

Lower TDP (35W vs 80W)

AMD Radeon R9 M390 Mac Edition 's Advantages

Larger VRAM bandwidth (174.7GB/s vs 72.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6300M +87%

3.686 TFLOPS

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon RX 6300M

VS

Radeon R9 M390 Mac Edition

Graphics Card

Jan 2022

Release Date

May 2015

Mobility Radeon

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2250 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

256bit

72.00GB/s

Bandwidth

174.7GB/s

Render Config

12

Compute Units

16

-

768

Shading Units

1024

48

TMUs

64

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

8 MB

L3 Cache

-

Theoretical Performance

76.80 GPixel/s

Pixel Rate

30.66 GPixel/s

115.2 GTexel/s

Texture Rate

61.31 GTexel/s

7.373 TFLOPS

FP16 (half)

-

3.686 TFLOPS

FP32 (float)

1.962 TFLOPS

230.4 GFLOPS

FP64 (double)

122.6 GFLOPS

Board Design

35W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Pitcairn

Navi 24 XML

GPU Variant

Pitcairn PRO (215-0828062)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

2.8 billion

107 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.6

Shader Model

5.1

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