Atom N550 vs Celeron 3867U

Atom N550

2 Cores4 Thrd9 WWMax: 1.5 GHz2010

Celeron 3867U

2 Cores2 Thrd512 WWMax: 1.8 GHz2019

Performance Spectrum - CPU

Atom N550

2 / 4

1,435

0.0%

1,449

+1.0%

About PassMark

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Atom N550 is positioned at rank 618 and the Celeron 3867U is on rank 132, so the Celeron 3867U offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Atom N550

#605

Atom x5-Z8300

MSRP: $20|Avg: N/A

818%

#606

Atom Z3735G

MSRP: $17|Avg: N/A

806%

#607

Core i5-480M

MSRP: $81|Avg: $77

740%

#608

Core i5-460M

MSRP: $80|Avg: $129

736%

#609

Core i5-2540M

MSRP: $266|Avg: $10

730%

#611

Core i5-450M

MSRP: $32|Avg: $31

705%

#612

Core i3-380M

MSRP: $49|Avg: $25

676%

#613

Core i5-430M

MSRP: N/A|Avg: $33

674%

#614

Core 2 Duo T6600

MSRP: N/A|Avg: $4

656%

#618

Atom N550

MSRP: N/A|Avg: N/A

100%

#621

Athlon II P320

MSRP: $50|Avg: $15

99%

#624

Core 3 N355

MSRP: $300|Avg: $300

98%

#627

Core i5-1335UE

MSRP: $312|Avg: $312

97%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron 3867U

#36

Core i5-11500B

MSRP: $185|Avg: $185

96%

#120

Atom x5-Z8300

MSRP: $20|Avg: N/A

304%

#121

Atom Z3735G

MSRP: $17|Avg: N/A

299%

#122

Core i5-480M

MSRP: $81|Avg: $77

275%

#123

Core i5-460M

MSRP: $80|Avg: $129

273%

#124

Core i5-2540M

MSRP: $266|Avg: $10

271%

#126

Core i5-450M

MSRP: $32|Avg: $31

262%

#127

Core i3-380M

MSRP: $49|Avg: $25

251%

#128

Core i5-430M

MSRP: N/A|Avg: $33

251%

#129

Core 2 Duo T6600

MSRP: N/A|Avg: $4

244%

#132

Celeron 3867U

MSRP: N/A|Avg: N/A

100%

#137

N200

MSRP: $193|Avg: N/A

98%

#138

Core 2 Duo SP9600

MSRP: $316|Avg: N/A

98%

#140

Core 2 Duo P8700

MSRP: $241|Avg: $85

97%

#147

Atom N2800

MSRP: $47|Avg: $3

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Celeron 3867U (2019) utilizes 14 nm technology and DDR3, DDR4, providing a fundamental performance advantage.

Insight	Atom N550	Celeron 3867U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Pineview (2009−2011) / 45 nm)	✨ Modern (Kaby Lake (2016−2019) / 14 nm)

💎 Value Proposition

The Atom N550 (2010) relies on 45 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Atom N550	Celeron 3867U
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Atom N550 Benchmark Check

Celeron 3867U Benchmark Check

Technical Specifications

Side-by-side comparison of Atom N550 and Celeron 3867U

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 3867U

The Celeron 3867U is manufactured by Intel. It was released in 1 March 2019 (6 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,449 points. Launch price was $107.

⚡

Processing Power

The Atom N550 packs 2 cores / 4 threads, matching the Celeron 3867U's 2 cores. Boost clocks reach 1.5 GHz on the Atom N550 versus 1.8 GHz on the Celeron 3867U — a 18.2% clock advantage for the Celeron 3867U (base: 1.5 GHz vs 1.8 GHz). The Atom N550 uses the Pineview (2009−2011) architecture (45 nm), while the Celeron 3867U uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Atom N550 scores 1,435 against the Celeron 3867U's 1,449 — a 1% lead for the Celeron 3867U. L3 cache: 0 kB on the Atom N550 vs 2 MB on the Celeron 3867U.

Feature	Atom N550	Celeron 3867U
Cores / Threads	2 / 4	2 / 2
Boost Clock	1.5 GHz	1.8 GHz+20%
Base Clock	1.5 GHz	1.8 GHz+20%
L3 Cache	0 kB	2 MB
L2 Cache	512K (per core)	512 kB
Process	45 nm	14 nm-69%
Architecture	Pineview (2009−2011)	Kaby Lake (2016−2019)
PassMark	1,435	1,449

🧠

Memory & Platform

The Atom N550 uses the FCBGA559 socket (PCIe 2.0), while the Celeron 3867U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-667 on the Atom N550 versus DDR4-2133 on the Celeron 3867U — the Celeron 3867U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3867U supports up to 32 GB of RAM compared to 2 GB — 176.5% more capacity for professional workloads. Memory channels: 1 (Atom N550) vs 2 (Celeron 3867U). PCIe lanes: 0 (Atom N550) vs 12 (Celeron 3867U) — the Celeron 3867U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel NM10 (Atom N550) and Kaby Lake-U (Celeron 3867U).

Feature	Atom N550	Celeron 3867U
Socket	FCBGA559	BGA1356
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-667	DDR4-2133+33%
Max RAM Capacity	2 GB	32 GB+1500%
RAM Channels	1	2+100%
ECC Support	❌	❌
PCIe Lanes	0	12

🔧

Advanced Features

Virtualization: not specified (Atom N550) / VT-x, VT-d (Celeron 3867U). Both include integrated graphics — Intel GMA 3150 (Atom N550) and HD Graphics 610 (Celeron 3867U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 3867U targets Budget. Direct competitor: Celeron 3867U rivals Pentium Gold 4417U.