Celeron 2981U vs Pentium 3558U

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 2981U vs Pentium 3558U 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 2981U vs Pentium 3558U: Pros, Cons & Final Verdict

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

Celeron 2981U

2014

Why buy it

✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Haswell), while Pentium 3558U needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,036 vs 1,041).
❌Launch MSRP is still $137 MSRP, while Pentium 3558U mostly shows up through inconsistent older-market listings.

Pentium 3558U

2014

Why buy it

Trade-offs

❌No integrated graphics, while Celeron 2981U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium 3558U better than Celeron 2981U?

Yes. Pentium 3558U is the better all-around CPU here. It gives you 0.5% better PassMark and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium 3558U has the edge because it leads the single-thread side of this matchup with 6.2% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Pentium 3558U is the stronger fit. You are getting 0.5% better PassMark, backed by 2 cores and 2 threads.

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

Pentium 3558U is the easy recommendation for a fresh desktop build. Pentium 3558U comes in at an unclear MSRP at unclear MSRP versus $137 MSRP, and it still gives you 0.5% higher PassMark. Celeron 2981U only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games.

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

Pentium 3558U makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron 2981U vs Pentium 3558U Technical Specifications

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

Celeron 2981U

The Celeron 2981U 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 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,036 points. Launch price was $69.

Pentium 3558U

The Pentium 3558U is manufactured by Intel. It was released in 1 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,041 points. Launch price was $161.

⚡

Processing Power

Both the Celeron 2981U and Pentium 3558U share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Celeron 2981U versus 1.7 GHz on the Pentium 3558U — a 6.1% clock advantage for the Pentium 3558U (base: 1.6 GHz vs 1.7 GHz). Both are built on the Haswell (2013−2015) architecture using a 22 nm process. In PassMark, the Celeron 2981U scores 1,036 against the Pentium 3558U's 1,041 — a 0.5% lead for the Pentium 3558U. Both processors carry 2 MB of L3 cache.

Feature	Celeron 2981U	Pentium 3558U
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.6 GHz	1.7 GHz+6%
Base Clock	1.6 GHz	1.7 GHz+6%
L3 Cache	2 MB	2 MB
L2 Cache	512 kB	512 kB
Process	22 nm	22 nm
Architecture	Haswell (2013−2015)	Haswell (2013−2015)
PassMark	1,036	1,041

🧠

Memory & Platform

Both processors use the FCBGA1168 socket with PCIe 3.0.

Feature	Celeron 2981U	Pentium 3558U
Socket	FCBGA1168	FCBGA1168
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3L-1600	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	12	—

🔧

Advanced Features

Virtualization: VT-x (Celeron 2981U) / not specified (Pentium 3558U). The Celeron 2981U includes integrated graphics (HD Graphics (Haswell)), while the Pentium 3558U requires a dedicated GPU. Primary use case: Celeron 2981U targets Budget. Direct competitor: Celeron 2981U rivals Pentium 2117U.