AMD

AMD Ryzen 3 4300U

iGPU:: AMD Radeon RX Vega 5
Boost/Base Clock:: 3.7 GHz / 2.7 GHz
Core/Thread Count:: 4 Core / 4 Thread
Cache:: 6MB L3 + 2MB L2 + 256KB L1
TDP:: 15 Watts
CPU Process Node:: 7 Nanometers (TSMC)
CPU Series:: Zen 2, Ryzen 4000 Series
Memory Support:: DDR4-3200, LPDDR4-4266
Form Factor:: Laptop

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Manufacturer: AMD Last updated: 2026-10-08

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AMD Ryzen 3 4300U Review

The AMD Ryzen 3 4300U is a 4-core, 4-thread processor built on Zen 2, running a 2.7 GHz base clock that boosts to 3.7 GHz within a 15 Watt TDP.

This chip drops SMT entirely for 4 physical cores without hyperthreading, a genuine step up in core count from the 2-core Ryzen 3 lineup that preceded it while staying at the entry tier of the Ryzen 4000 U-series stack.

AMD Radeon RX Vega 5

A 5-compute-unit Vega iGPU, a modest step up from the entry-tier Vega 3 configuration found on the Ryzen 3 2000/3000 U-series chips.

How Is the Ryzen 3 4300U in Terms of Performance

The 4 physical cores without SMT give this chip a genuine improvement over the 2-core Ryzen 3 chips that preceded it, delivering solid everyday productivity capability at the entry tier of AMD's Zen 2 mobile lineup.

Benchmarks

Cinebench R23 (via R20 reference) multi-core scores of 1,506 and single-core scores of 424 reflect genuinely improved performance over the 2-core Ryzen 3 2200U/3250U chips. Geekbench 5 multi-core scores of 3,354 confirm competent entry-tier everyday productivity capability.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

Budget thin-and-light laptops wanting a genuine step up from 2-core entry-level chips

Not for

Buyers wanting hyperthreading for lightly multi-threaded work, this chip runs 4 physical cores without SMT

Specifications

What these specs mean

Identity

Brand	AMD
Product Line	Ryzen 3
Model Number	4300U
Codename	Renoir
Release Year	2020

Segment and platform

Market Segment	Laptop
Microarchitecture	Zen 2, Ryzen 4000 Series
Socket	FP6
Process Node	7 nm

Core configuration

Total Cores	4
Performance Cores	4
Efficiency Cores	0
Total Threads	4
SMT Enabled	No

Clock speeds

P-Core Base Clock	2.7 GHz
P-Core Boost Clock	3.7 GHz

Cache

L2 Cache	2 MB
L3 Cache	4 MB

Power and thermal

Base Power	15 W

Memory

Memory Type	DDR4-3200, LPDDR4-4266

Graphics and AI

Integrated Graphics	Yes

Form Factor	Laptop
TDP	15 W
iGPU	AMD Radeon RX Vega 5

FAQs

What are the key specifications of the AMD Ryzen 3 4300U?

The AMD Ryzen 3 4300U has 4 cores and 4 threads, a 2.7 GHz base and 3.7 GHz boost clock, 4 MB of L3 cache and a 15 W TDP. Integrated graphics: AMD Radeon RX Vega 5. Socket: FP6.

Who is the AMD Ryzen 3 4300U best suited to?

Best suited to: Budget thin-and-light laptops wanting a genuine step up from 2-core entry-level chips.

What are the drawbacks of the AMD Ryzen 3 4300U?

Not the best fit for: Buyers wanting hyperthreading for lightly multi-threaded work, this chip runs 4 physical cores without SMT.