Celeron 5205U vs Celeron G555

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 5205U vs Celeron G555 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 5205U vs Celeron G555: Pros, Cons & Final Verdict

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

Celeron 5205U

2019

Why buy it

✅Draws 15W instead of 65W, a 50W reduction.

Trade-offs

❌Lower Geekbench single-core performance for gaming (385 vs 398).
❌Lower Geekbench multi-core (650 vs 742).
❌No boxed cooler included, unlike Celeron G555.

Celeron G555

2012

Why buy it

✅+3.4% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅33.3% more PCIe lanes (16 vs 12) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Intel Stock), unlike Celeron 5205U.

Trade-offs

❌Launch MSRP is still $52 MSRP, while Celeron 5205U mostly shows up through inconsistent older-market listings.
❌333.3% higher power demand at 65W vs 15W.

Quick Answers

So, is Celeron G555 better than Celeron 5205U?

Yes. Celeron G555 is the better all-around CPU here. It gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data and 14.2% better Geekbench multi-core, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Celeron G555 is the better pick. According to our tests, it delivers 0.5% 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 G555 is the stronger fit. You are getting 14.2% better Geekbench multi-core, backed by 2 cores and 2 threads.

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

Celeron G555 is the better buy right now. Celeron G555 comes in at an unclear MSRP at $52 MSRP versus unclear MSRP, and it still gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (27.4 vs 0.0 PassMark/$), 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 5205U 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 5205U vs Celeron G555 Technical Specifications

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

Celeron 5205U

The Celeron 5205U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,432 points. Launch price was $107.

Celeron G555

The Celeron G555 is manufactured by Intel. It was released in 1 September 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) 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 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,427 points. Launch price was $89.

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Processing Power

Both the Celeron 5205U and Celeron G555 share an identical 2-core/2-thread configuration. Boost clocks reach 1.9 GHz on the Celeron 5205U versus 2.7 GHz on the Celeron G555 — a 34.8% clock advantage for the Celeron G555 (base: 1.9 GHz vs 2.7 GHz). The Celeron 5205U uses the Comet Lake-U (2019−2020) architecture (14 nm), while the Celeron G555 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron 5205U scores 1,432 against the Celeron G555's 1,427 — a 0.3% lead for the Celeron 5205U. Geekbench 6 single-core — the metric most relevant to gaming — records 385 vs 398, a 3.3% lead for the Celeron G555 that directly translates to higher frame rates. Multi-core Geekbench: 650 vs 742 (13.2% advantage for the Celeron G555). L3 cache: 2 MB on the Celeron 5205U vs 2 MB (total) on the Celeron G555.

Feature	Celeron 5205U	Celeron G555
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.9 GHz	2.7 GHz+42%
Base Clock	1.9 GHz	2.7 GHz+42%
L3 Cache	2 MB	2 MB (total)
L2 Cache	1 MB+300%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Comet Lake-U (2019−2020)	Sandy Bridge (2011−2013)
PassMark	1,432	1,427
Geekbench 6 Single	385	398+3%
Geekbench 6 Multi	650	742+14%

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Memory & Platform

The Celeron 5205U uses the FCBGA1528 socket (PCIe 3.0), while the Celeron G555 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Celeron 5205U versus DDR3-1333 on the Celeron G555 — the Celeron 5205U supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 5205U 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. PCIe lanes: 12 (Celeron 5205U) vs 16 (Celeron G555) — the Celeron G555 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Comet Lake-U (Celeron 5205U) and H61,H67,P67,Z68,B75,Z77 (Celeron G555).

Feature	Celeron 5205U	Celeron G555
Socket	FCBGA1528	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2400+80%	DDR3-1333
Max RAM Capacity	64 GB+100%	32 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	12	16+33%

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 5205U) vs VT-x (Celeron G555). Both include integrated graphics — UHD Graphics (Comet Lake) (Celeron 5205U) and Intel HD Graphics (Sandy Bridge) (Celeron G555) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 5205U targets Budget, Celeron G555 targets Desktop. Direct competitor: Celeron 5205U rivals Pentium Gold 6405U; Celeron G555 rivals Pentium G630.

Feature	Celeron 5205U	Celeron G555
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics (Comet Lake)	Intel HD Graphics (Sandy Bridge)
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x
Target Use	Budget	Desktop