Atom Z540 vs Celeron 2.30

Intel

Atom Z540

1 Cores2 Thrd2.4 WWMax: 0.07 GHz2008
Similar parts
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VS
Intel

Celeron 2.30

1 Cores1 Thrd73 WWMax: 2.3 GHz2003
Similar parts
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Atom Z540 vs Celeron 2.30 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 Z540 vs Celeron 2.30: Pros, Cons & Final Verdict

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

Atom Z540

2008

Why buy it

  • Draws 2W instead of 73W, a 71W reduction.

Trade-offs

  • Lower PassMark (305 vs 325).

Celeron 2.30

2003

Why buy it

    Trade-offs

    • Launch MSRP is still $100 MSRP, while Atom Z540 mostly shows up through inconsistent older-market listings.
    • 2941.7% higher power demand at 73W vs 2.4W.

    Quick Answers

    So, is Celeron 2.30 better than Atom Z540?
    Yes. Celeron 2.30 is the better all-around CPU here. It gives you 6.6% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Celeron 2.30 has the edge because it leads the single-thread side of this matchup with 3185.7% higher max boost clock.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Celeron 2.30 is the stronger fit. You are getting 6.6% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Celeron 2.30 is the better buy right now. Celeron 2.30 comes in at an unclear MSRP at $100 MSRP versus unclear MSRP, and it still gives you 6.6% higher PassMark. It is also 100.0% better value on MSRP (3.3 vs 0.0 PassMark/$), 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 Z540 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2003). That makes it the safer long-term bet.

    Atom Z540 vs Celeron 2.30 Technical Specifications

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

    Intel

    Atom Z540

    The Atom Z540 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2.4 Watt. Passmark benchmark score: 305 points. Launch price was $160.

    Intel

    Celeron 2.30

    The Celeron 2.30 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: 2.3 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: 325 points. Launch price was $69.

    Processing Power

    The Atom Z540 packs 1 cores / 2 threads, matching the Celeron 2.30's 1 cores. Boost clocks reach 0.07 GHz on the Atom Z540 versus 2.3 GHz on the Celeron 2.30 — a 188.2% clock advantage for the Celeron 2.30. The Atom Z540 uses the Silverthorne (2008−2010) architecture (45 nm), while the Celeron 2.30 uses Northwood (2002−2004) (130 nm). In PassMark, the Atom Z540 scores 305 against the Celeron 2.30's 325 — a 6.3% lead for the Celeron 2.30. Both processors carry 0 kB of L3 cache.

    FeatureAtom Z540Celeron 2.30
    Cores / Threads
    1 / 2
    1 / 1
    Boost Clock
    0.07 GHz
    2.3 GHz+3186%
    Base Clock
    1.86 GHz
    L3 Cache
    0 kB
    0 kB
    L2 Cache
    512 kB+300%
    128 kB
    Process
    45 nm-65%
    130 nm
    Architecture
    Silverthorne (2008−2010)
    Northwood (2002−2004)
    PassMark
    305
    325+7%
    🧠

    Memory & Platform

    The Atom Z540 uses the PBGA441 socket (PCIe 2.0), while the Celeron 2.30 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-533 on the Atom Z540 versus DDR1-400 on the Celeron 2.30 — the Atom Z540 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 2.30 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 US15W (Atom Z540) and 845,850,865 (Celeron 2.30).

    FeatureAtom Z540Celeron 2.30
    Socket
    PBGA441
    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 Z540) / No (Celeron 2.30). Primary use case: Celeron 2.30 targets Budget. Direct competitor: Celeron 2.30 rivals Pentium 4 2.40.

    FeatureAtom Z540Celeron 2.30
    Integrated GPU
    No
    No
    Unlocked
    No
    AVX-512
    No
    Virtualization
    No
    Target Use
    Budget