Celeron 4305U vs Celeron G1840T

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.

Celeron 4305U vs Celeron G1840T FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Celeron 4305U vs Celeron G1840T: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Celeron 4305U

2019

Why buy it

✅Draws 15W instead of 54W, a 39W reduction.

Trade-offs

❌Lower PassMark (1,562 vs 1,576).
❌Smaller total L3 cache (2 MB vs 3 MB).
❌Lower PassMark per dollar, at 14.6 vs 37.5 PassMark/$ ($107 MSRP vs $42 MSRP).

Celeron G1840T

2014

Why buy it

✅+50% larger total L3 cache (3 MB vs 2 MB).
✅Costs $65 less on MSRP ($42 MSRP vs $107 MSRP).
✅Delivers 157.0% more PassMark for each dollar spent, at 37.5 vs 14.6 PassMark/$ ($42 MSRP vs $107 MSRP).

Trade-offs

❌260% higher power demand at 54W vs 15W.

Quick Answers

So, is Celeron G1840T better than Celeron 4305U?

Yes. Celeron G1840T is the better all-around CPU here. It gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data and 0.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Celeron G1840T is the better pick. According to our tests, it delivers 1.2% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Celeron G1840T is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 2 threads. It also has the larger cache pool with 50% larger total L3 cache (3 MB vs 2 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Celeron G1840T is the better buy right now. Celeron G1840T comes in $65 cheaper on MSRP at $42 MSRP versus $107 MSRP, and it still gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data. It is also 157.0% better value on MSRP (37.5 vs 14.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Celeron 4305U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2014). That makes it the safer long-term bet.

Celeron 4305U vs Celeron G1840T Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Celeron 4305U

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.

Celeron G1840T

The Celeron G1840T is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,576 points. Launch price was $69.

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Processing Power

Both the Celeron 4305U and Celeron G1840T share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Celeron 4305U versus 2.5 GHz on the Celeron G1840T — a 12.8% clock advantage for the Celeron G1840T (base: 2.2 GHz vs 2.5 GHz). The Celeron 4305U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Celeron G1840T uses Haswell (2013−2015) (22 nm). In PassMark, the Celeron 4305U scores 1,562 against the Celeron G1840T's 1,576 — a 0.9% lead for the Celeron G1840T. L3 cache: 2 MB (total) on the Celeron 4305U vs 3 MB (total) on the Celeron G1840T.

Feature	Celeron 4305U	Celeron G1840T
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.2 GHz	2.5 GHz+14%
Base Clock	2.2 GHz	2.5 GHz+14%
L3 Cache	2 MB (total)	3 MB (total)+50%
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm-36%	22 nm
Architecture	Whiskey Lake-U (2018−2019)	Haswell (2013−2015)
PassMark	1,562	1,576

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Memory & Platform

The Celeron 4305U uses the FCBGA1528 socket (PCIe 3.0), while the Celeron G1840T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2133 on the Celeron 4305U versus DDR3-1333 on the Celeron G1840T — the Celeron 4305U supports 60% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 4305U supports up to 64 GB of RAM compared to 32 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Whiskey Lake-U (Celeron 4305U) and H81,B85,H87,Z87,H97,Z97 (Celeron G1840T).

Feature	Celeron 4305U	Celeron G1840T
Socket	FCBGA1528	LGA1150
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	2133+60%	DDR3-1333
Max RAM Capacity	64 GB+100%	32 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: true (Celeron 4305U) vs VT-x (Celeron G1840T). Both include integrated graphics — Intel UHD Graphics 610 (Celeron 4305U) and HD Graphics (Haswell) (Celeron G1840T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 4305U targets Budget, Celeron G1840T targets Budget. Direct competitor: Celeron 4305U rivals Pentium Gold 5405U; Celeron G1840T rivals Pentium G3240T.

Feature	Celeron 4305U	Celeron G1840T
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 610	HD Graphics (Haswell)
Unlocked	No	No
AVX-512	No	No
Virtualization	true	VT-x
Target Use	Budget	Budget

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Value Analysis

At launch, the Celeron 4305U was priced at $107, while the Celeron G1840T came in at $42. On launch pricing ($107 vs $42), Celeron G1840T was $65 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 4305U delivers 14.6 pts/$ vs 37.5 pts/$ for the Celeron G1840T — making the Celeron G1840T the 88% better value option.

Feature	Celeron 4305U	Celeron G1840T
MSRP	$107	$42-61%
Performance per Dollar	14.6	37.5+157%
Release Date	2019	2014

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