Atom N270 vs Celeron 2.20

Intel

Atom N270

1 Cores2 Thrd512 WWMax: 0.1 GHz2008
Similar parts
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VS
Intel

Celeron 2.20

1 Cores1 Thrd73 WWMax: 2.2 GHz2002
Similar parts
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Atom N270 vs Celeron 2.20 Performance Spectrum

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.

Atom N270 vs Celeron 2.20: Pros, Cons & Final Verdict

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

Atom N270

2008

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Celeron 2.20 across 50 shared CPU benchmark tests.
    • Lower PassMark (265 vs 305).
    • 601.4% higher power demand at 512W vs 73W.

    Celeron 2.20

    2002

    Why buy it

    • Better for gaming: +14.3% higher average FPS across 50 shared CPU benchmark tests.
    • Draws 73W instead of 512W, a 439W reduction.

    Trade-offs

    • Launch MSRP is still $79 MSRP, while Atom N270 mostly shows up through inconsistent older-market listings.

    Quick Answers

    So, is Celeron 2.20 better than Atom N270?
    Yes. Celeron 2.20 is the better all-around CPU here. It gives you a 14.3% average FPS lead across 50 shared CPU game tests in our data and 15.1% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Celeron 2.20 is the better pick. According to our tests, it delivers 14.3% 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, Celeron 2.20 is the stronger fit. You are getting 15.1% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Celeron 2.20 is the better buy right now. Celeron 2.20 comes in at an unclear MSRP at $79 MSRP versus unclear MSRP, and it still gives you a 14.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (3.9 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
    Which one is more future-proof for 2026 and beyond?
    Atom N270 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2002). That makes it the safer long-term bet.

    Atom N270 vs Celeron 2.20 Technical Specifications

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

    Intel

    Atom N270

    The Atom N270 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the DiamondVille (2008−2009) architecture. It features 1 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 0.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA437. Thermal design power (TDP): 2.5 Watt. Passmark benchmark score: 265 points. Launch price was $44.

    Intel

    Celeron 2.20

    The Celeron 2.20 is manufactured by Intel. It was released in 2007-01-01. It is based on the Northwood (2002−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 128 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 73 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 305 points. Launch price was $69.

    Processing Power

    The Atom N270 packs 1 cores / 2 threads, matching the Celeron 2.20's 1 cores. Boost clocks reach 0.1 GHz on the Atom N270 versus 2.2 GHz on the Celeron 2.20 — a 182.6% clock advantage for the Celeron 2.20. The Atom N270 uses the DiamondVille (2008−2009) architecture (45 nm), while the Celeron 2.20 uses Northwood (2002−2004) (130 nm). In PassMark, the Atom N270 scores 265 against the Celeron 2.20's 305 — a 14% lead for the Celeron 2.20. Both processors carry 0 kB of L3 cache.

    FeatureAtom N270Celeron 2.20
    Cores / Threads
    1 / 2
    1 / 1
    Boost Clock
    0.1 GHz
    2.2 GHz+2100%
    Base Clock
    1.6 GHz
    L3 Cache
    0 kB
    0 kB
    L2 Cache
    512 kB+300%
    128 kB
    Process
    45 nm-65%
    130 nm
    Architecture
    DiamondVille (2008−2009)
    Northwood (2002−2004)
    PassMark
    265
    305+15%
    🧠

    Memory & Platform

    The Atom N270 uses the PBGA437 socket (PCIe 2.0), while the Celeron 2.20 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-533 on the Atom N270 versus DDR1-400 on the Celeron 2.20 — the Atom N270 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 2.20 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. Both provide 0 PCIe lanes. Chipset compatibility: Intel PBGA437 (Atom N270) and 845,850,865 (Celeron 2.20).

    FeatureAtom N270Celeron 2.20
    Socket
    PBGA437
    PGA478
    PCIe Generation
    PCIe 2.0+82%
    PCIe 1.1
    Max RAM Speed
    DDR2-533+33%
    DDR1-400
    Max RAM Capacity
    2 GB
    4 GB+100%
    RAM Channels
    1
    1
    ECC Support
    No
    No
    PCIe Lanes
    0
    0
    🔧

    Advanced Features

    Virtualization: not specified (Atom N270) / No (Celeron 2.20). Primary use case: Celeron 2.20 targets Budget. Direct competitor: Celeron 2.20 rivals Pentium 4 2.40.

    FeatureAtom N270Celeron 2.20
    Integrated GPU
    No
    No
    Unlocked
    No
    AVX-512
    No
    Virtualization
    No
    Target Use
    Budget