PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Celeron 4305U is manufactured by Intel. It was released in 16 April 2019 (6 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2133, LPDDR3-1866. Passmark benchmark score: 1,562 points. Launch price was $107.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Celeron 4305U is positioned at rank #109 in our cost-efficiency ranking, representing a Balanced cost-benefit for your build. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Celeron 4305U

#31

Ryzen 5 230

MSRP: $200|Avg: $190

97%

#97

Atom x5-Z8300

MSRP: $20|Avg: N/A

282%

#98

Atom Z3735G

MSRP: $17|Avg: N/A

278%

#99

Core i5-480M

MSRP: $81|Avg: $77

255%

#100

Core i5-460M

MSRP: $80|Avg: $129

254%

#101

Core i5-2540M

MSRP: $266|Avg: $10

251%

#103

Core i5-450M

MSRP: $32|Avg: $31

243%

#104

Core i3-380M

MSRP: $49|Avg: $25

233%

#105

Core i5-430M

MSRP: N/A|Avg: $33

232%

#106

Core 2 Duo T6600

MSRP: N/A|Avg: $4

226%

#109

Celeron 4305U

MSRP: $107|Avg: N/A

100%

#110

Celeron J1850

MSRP: $82|Avg: N/A

99%

#114

Core i3-4100M

MSRP: $225|Avg: $99

97%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Celeron 4305U across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Celeron 4305U specifications and capabilities.

⚡

Processing Power

The Celeron 4305U is a 2-core / 2-thread processor based on the Whiskey Lake-U (2018−2019) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 2.2 GHz from a base frequency of 2.2 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 2 MB (total) of L3 cache, plus 256 kB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,562, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Celeron 4305U
Cores / ThreadsPhysical/logical processing units	2C / 2T
Max Boost ClockPeak single-core speed under boost	2.2 GHz
Base ClockGuaranteed minimum operating frequency	2.2 GHz
ArchitectureCPU microarchitecture design	Whiskey Lake-U (2018−2019)
Process NodeFabrication technology — smaller = more efficient	14 nm
L3 CacheShared cache — reduces memory latency for all cores	2 MB (total)
L2 CachePer-core fast cache for frequently accessed data	256 kB (per core)
L1 CacheUltra-fast per-core cache	64 kB (per core)
Bus SpeedData bus frequency	4 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)	100 °C
64-bit Support	Yes
Windows 11 Compatible	Yes
PassMark ScoreOverall multi-threaded benchmark score	1,562

🧠

Memory & Platform

The Celeron 4305U fits into the FCBGA1528 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR4-2133, LPDDR3-1866 memory at speeds up to 2133 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 64 across 2 channels (dual-channel doubles bandwidth). Integrated graphics: Intel UHD Graphics 610 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

Specification	Celeron 4305U
TypeDesktop or Laptop processor	Laptop
SeriesProduct family	Intel Celeron
SocketMotherboard socket required	FCBGA1528
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	16
RAM TypeSupported memory standard	DDR4-2133, LPDDR3-1866
Max RAM SpeedMaximum officially supported memory frequency	2133
Max RAM CapacityMaximum installable memory	64
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	Intel UHD Graphics 610
Compatible ChipsetsMotherboard chipsets that support this CPU	Whiskey Lake-U
Max CPUs in ConfigMulti-socket support for servers	1 (Uniprocessor)

🔧

Advanced Features

The Celeron 4305U is primarily designed for Budget. Virtualization: true — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Pentium Gold 5405U.

Specification	Celeron 4305U
Primary Use CaseIntended workload category	Budget
OverclockingWhether CPU clock can be manually increased	🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	true
Direct CompetitorMarket equivalent from rival manufacturer	Pentium Gold 5405U

🌡️

Power & Cooling

The Celeron 4305U has a rated TDP (Thermal Design Power) of 15 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. It ships with the false stock cooler. Recommended cooling: Stock.

Specification	Celeron 4305U
TDPThermal Design Power — heat output under sustained workload	15 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	100 °C
Included CoolerStock cooler bundled in the box	false
Recommended CoolerSuggested aftermarket cooling solution	Stock

💰

Value Analysis

At an average price of $107, the Celeron 4305U delivers 15 PassMark points per dollar. It currently holds Rank #109 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2767 out of all indexed processors.

Specification	Celeron 4305U
MSRPManufacturer's Suggested Retail Price	$107
Launch PriceOriginal retail price at launch	$107
Cost-Benefit RankPosition in overall value ranking	#109
Performance RankPosition in overall performance ranking	#2767
Release DateLaunch date	16 April 2019 (6 years ago)
Release Year	2019
DesignerArchitecture designer (e.g. Intel, AMD)	Intel
ManufacturerFabrication foundry (e.g. TSMC)	Intel