AMD Radeon RX 6300M vs AMD Radeon R9 M390X

VS

AMD Radeon RX 6300M

AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 6300M and 4GB VRAM Radeon R9 M390X 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 75W)

AMD Radeon R9 M390X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6300M +24%

3.686 TFLOPS

Radeon R9 M390X

2.961 TFLOPS

Radeon RX 6300M

VS

Radeon R9 M390X

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

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

256bit

72.00GB/s

Bandwidth

160.0GB/s

Render Config

12

Compute Units

32

-

768

Shading Units

2048

48

TMUs

128

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

23.14 GPixel/s

115.2 GTexel/s

Texture Rate

92.54 GTexel/s

7.373 TFLOPS

FP16 (half)

2.961 TFLOPS

3.686 TFLOPS

FP32 (float)

2.961 TFLOPS

230.4 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

35W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Amethyst

Navi 24 XML

GPU Variant

Amethyst XT

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

5 billion

107 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

-

6.6

Shader Model

6.3

Related GPU Comparisons

1

AMD Radeon RX 6300M vs NVIDIA GeForce RTX 3060 Max Q

2

AMD Radeon RX 6300M vs NVIDIA GeForce GTX 1060 Mobile

3

AMD Radeon RX 6300M vs ATI Mobility Radeon X1600 Mac Edition

4

AMD Radeon RX 6300M vs NVIDIA GeForce 945M

5

AMD Radeon RX 6300M vs NVIDIA GeForce RTX 3050 Max-Q Refresh

6

AMD Radeon RX 6300M vs AMD Radeon R5 M420

7

AMD Radeon RX 6300M vs ATI Mobility Radeon HD 2400

8

AMD Radeon RX 6300M vs NVIDIA GeForce GT 635M

9

AMD Radeon RX 6300M vs ATI Radeon E4690 PCIe

10

AMD Radeon RX 6300M vs AMD Radeon HD 7670A

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption