Atom N550 vs Celeron N2805

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.

Atom N550 vs Celeron N2805 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.

Atom N550 vs Celeron N2805: Pros, Cons & Final Verdict

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

Atom N550

2010

Why buy it

Trade-offs

❌125% higher power demand at 9W vs 4W.

Celeron N2805

2013

Why buy it

✅Draws 4W instead of 9W, a 5W reduction.
✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (1,430 vs 1,435).

Quick Answers

So, is Atom N550 better than Celeron N2805?

Yes. Atom N550 is the better all-around CPU here. It gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Atom N550 is the better pick. According to our tests, it delivers 0.3% 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, Atom N550 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 4 threads.

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

Atom N550 still makes the most sense overall. Atom N550 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data.

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

Celeron N2805 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2010). That makes it the safer long-term bet.

Atom N550 vs Celeron N2805 Technical Specifications

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

Atom N550

The Atom N550 is manufactured by Intel. It was released in 23 August 2010 (15 years ago). It is based on the Pineview (2009−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 8.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,435 points. Launch price was $86.

Celeron N2805

The Celeron N2805 is manufactured by Intel. It was released in 11 September 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 1.46 GHz, with boost up to 1.46 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 4.3 Watt. Memory support: DDR3. Passmark benchmark score: 1,430 points. Launch price was $107.

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Processing Power

The Atom N550 packs 2 cores / 4 threads, matching the Celeron N2805's 2 cores. Boost clocks reach 1.5 GHz on the Atom N550 versus 1.46 GHz on the Celeron N2805 — a 2.7% clock advantage for the Atom N550 (base: 1.5 GHz vs 1.46 GHz). The Atom N550 uses the Pineview (2009−2011) architecture (45 nm), while the Celeron N2805 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Atom N550 scores 1,435 against the Celeron N2805's 1,430 — a 0.3% lead for the Atom N550. Both processors carry 0 kB of L3 cache.

Feature	Atom N550	Celeron N2805
Cores / Threads	2 / 4	2 / 2
Boost Clock	1.5 GHz+3%	1.46 GHz
Base Clock	1.5 GHz+3%	1.46 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512K (per core)	512K (per core)
Process	45 nm	22 nm-51%
Architecture	Pineview (2009−2011)	Bay Trail-M (2013−2014)
PassMark	1,435	1,430

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Memory & Platform

The Atom N550 uses the FCBGA559 socket (PCIe 2.0), while the Celeron N2805 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-667 on the Atom N550 versus 1066 on the Celeron N2805 — the Celeron N2805 supports 59.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron N2805 supports up to 4 GB of RAM compared to 2 GB — 100% more capacity for professional workloads. Both feature 1-channel memory with ECC support. PCIe lanes: 0 (Atom N550) vs 4 (Celeron N2805) — the Celeron N2805 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel NM10 (Atom N550) and FCBGA1170 (Celeron N2805).

Feature	Atom N550	Celeron N2805
Socket	FCBGA559	FCBGA1170
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-667	1066+60%
Max RAM Capacity	2 GB	4 GB+100%
RAM Channels	1	1
ECC Support	No	No
PCIe Lanes	0	4

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Advanced Features

Virtualization: not specified (Atom N550) / true (Celeron N2805). Both include integrated graphics — Intel GMA 3150 (Atom N550) and Intel HD Graphics (Bay Trail) (Celeron N2805) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Celeron N2805 rivals AMD E1-2100.