Celeron M U3400 vs Pentium N3540

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 M U3400 vs Pentium N3540 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 M U3400 vs Pentium N3540: Pros, Cons & Final Verdict

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

Celeron M U3400

2010

Why buy it

✅Costs $75 less on MSRP ($86 MSRP vs $161 MSRP).
✅Delivers 86.9% more PassMark for each dollar spent, at 14.0 vs 7.5 PassMark/$ ($86 MSRP vs $161 MSRP).

Trade-offs

❌Lower PassMark (1,205 vs 1,207).
❌25500% higher power demand at 512W vs 2W.

Pentium N3540

2014

Why buy it

✅Draws 2W instead of 512W, a 510W reduction.

Trade-offs

❌Lower PassMark per dollar, at 7.5 vs 14.0 PassMark/$ ($161 MSRP vs $86 MSRP).

Quick Answers

So, is Pentium N3540 better than Celeron M U3400?

Yes. Pentium N3540 is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data, 0.2% 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 N3540 is the better pick. According to our tests, it delivers 0.1% 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, Pentium N3540 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads.

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

Pentium N3540 is the easy recommendation for a fresh desktop build. Pentium N3540 comes in 87.2% more expensive on MSRP at $161 MSRP versus $86 MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data. Celeron M U3400 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, especially when the gap is already 0.1% in the shared gaming data.

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

Pentium N3540 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2010) and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron M U3400 vs Pentium N3540 Technical Specifications

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

Celeron M U3400

The Celeron M U3400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.06 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 512 kB + 2 MB. Memory support: DDR3. Passmark benchmark score: 1,205 points. Launch price was $69.

Pentium N3540

The Pentium N3540 is manufactured by Intel. It was released in 22 May 2014 (11 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.16 GHz, with boost up to 2.66 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3L-1333. Passmark benchmark score: 1,207 points. Launch price was $251.

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Processing Power

The Celeron M U3400 packs 2 cores / 2 threads, while the Pentium N3540 offers 4 cores / 4 threads — the Pentium N3540 has 2 more cores. Boost clocks reach 1.06 GHz on the Celeron M U3400 versus 2.66 GHz on the Pentium N3540 — a 86% clock advantage for the Pentium N3540. The Celeron M U3400 uses the Arrandale (2010−2011) architecture (32 nm), while the Pentium N3540 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Celeron M U3400 scores 1,205 against the Pentium N3540's 1,207 — a 0.2% lead for the Pentium N3540. L3 cache: 2 MB on the Celeron M U3400 vs 2 MB L2 Cache on the Pentium N3540.

Feature	Celeron M U3400	Pentium N3540
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	1.06 GHz	2.66 GHz+151%
Base Clock	—	2.16 GHz
L3 Cache	2 MB	2 MB L2 Cache
L2 Cache	512 kB	2 MB+300%
Process	32 nm	22 nm-31%
Architecture	Arrandale (2010−2011)	Bay Trail-M (2013−2014)
PassMark	1,205	1,207

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Memory & Platform

The Celeron M U3400 uses the BGA1288 socket (PCIe 2.0), while the Pentium N3540 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron M U3400	Pentium N3540
Socket	BGA1288	FCBGA1170
PCIe Generation	PCIe 2.0	PCIe 2.0

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Value Analysis

At launch, the Celeron M U3400 was priced at $86, while the Pentium N3540 came in at $161. On launch pricing ($86 vs $161), Celeron M U3400 was $75 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron M U3400 delivers 14.0 pts/$ vs 7.5 pts/$ for the Pentium N3540 — making the Celeron M U3400 the 60.6% better value option.

Feature	Celeron M U3400	Pentium N3540
MSRP	$86-47%	$161
Performance per Dollar	14.0+87%	7.5
Release Date	2010	2014

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