Celeron 4305U vs Celeron G1620

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 G1620 FPS Benchmarks

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

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Celeron 4305U vs Celeron G1620: 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 55W, a 40W reduction.

Trade-offs

❌Lower PassMark (1,562 vs 1,586).
❌Lower PassMark per dollar, at 14.6 vs 30.5 PassMark/$ ($107 MSRP vs $52 MSRP).
❌No boxed cooler included, unlike Celeron G1620.

Celeron G1620

2012

Why buy it

✅Costs $55 less on MSRP ($52 MSRP vs $107 MSRP).
✅Delivers 108.9% more PassMark for each dollar spent, at 30.5 vs 14.6 PassMark/$ ($52 MSRP vs $107 MSRP).
✅Includes a boxed cooler (Intel Stock), unlike Celeron 4305U.

Trade-offs

❌266.7% higher power demand at 55W vs 15W.

Quick Answers

So, is Celeron G1620 better than Celeron 4305U?

Yes. Celeron G1620 is the better all-around CPU here. It gives you a 2.4% average FPS lead across 35 shared CPU game tests in our data and 1.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Celeron G1620 is the better pick. According to our tests, it delivers 2.4% more average FPS across 35 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Celeron G1620 is the stronger fit. You are getting 1.5% better PassMark, backed by 2 cores and 2 threads.

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

Celeron G1620 is the better buy right now. Celeron G1620 comes in $55 cheaper on MSRP at $52 MSRP versus $107 MSRP, and it still gives you a 2.4% average FPS lead across 35 shared CPU game tests in our data. It is also 108.9% better value on MSRP (30.5 vs 14.6 PassMark/$), 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 2012). That makes it the safer long-term bet.

Celeron 4305U vs Celeron G1620 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 G1620

The Celeron G1620 is manufactured by Intel. It was released in 3 December 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 1,586 points. Launch price was $208.

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Processing Power

Both the Celeron 4305U and Celeron G1620 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Celeron 4305U versus 2.7 GHz on the Celeron G1620 — a 20.4% clock advantage for the Celeron G1620 (base: 2.2 GHz vs 2.7 GHz). The Celeron 4305U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Celeron G1620 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Celeron 4305U scores 1,562 against the Celeron G1620's 1,586 — a 1.5% lead for the Celeron G1620. Both processors carry 2 MB (total) of L3 cache.

Feature	Celeron 4305U	Celeron G1620
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.2 GHz	2.7 GHz+23%
Base Clock	2.2 GHz	2.7 GHz+23%
L3 Cache	2 MB (total)	2 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm-36%	22 nm
Architecture	Whiskey Lake-U (2018−2019)	Ivy Bridge (2012−2013)
PassMark	1,562	1,586+2%
Geekbench 6 Single	—	441
Geekbench 6 Multi	—	760

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Memory & Platform

The Celeron 4305U uses the FCBGA1528 socket (PCIe 3.0), while the Celeron G1620 uses LGA1155 (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 G1620 — 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 H77,B75,Z77,H61,P67,Z68 (Celeron G1620).

Feature	Celeron 4305U	Celeron G1620
Socket	FCBGA1528	LGA1155
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, EPT (Celeron G1620). Both include integrated graphics — Intel UHD Graphics 610 (Celeron 4305U) and Intel HD Graphics (Ivy Bridge GT1) (Celeron G1620) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 4305U targets Budget, Celeron G1620 targets Desktop. Direct competitor: Celeron 4305U rivals Pentium Gold 5405U; Celeron G1620 rivals Pentium G2030.

Feature	Celeron 4305U	Celeron G1620
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 610	Intel HD Graphics (Ivy Bridge GT1)
Unlocked	No	No
AVX-512	No	No
Virtualization	true	VT-x, EPT
Target Use	Budget	Desktop

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Value Analysis

At launch, the Celeron 4305U was priced at $107, while the Celeron G1620 came in at $52. On launch pricing ($107 vs $52), Celeron G1620 was $55 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 4305U delivers 14.6 pts/$ vs 30.5 pts/$ for the Celeron G1620 — making the Celeron G1620 the 70.5% better value option.

Feature	Celeron 4305U	Celeron G1620
MSRP	$107	$52-51%
Performance per Dollar	14.6	30.5+109%
Release Date	2019	2012

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