Chipversus Index
Jump to Section

Pentium 4 2.66 vs Sempron LE-1100

CPUCPUGPUGPU
Intel

Pentium 4 2.66

1 Cores1 Thrd110 WWMax: 2.66 GHz2002
Similar parts
·······
Buy on Amazon
VS
AMD

Sempron LE-1100

1 Cores1 Thrd45 WWMax: 1.9 GHz2007
Similar parts
·······
Buy on Amazon

Pentium 4 2.66 vs Sempron LE-1100 Performance Spectrum

Pentium 4 2.66
1 / 1
378
+0.5%
brand logoPentium III 1266S
brand logoAtom 230
brand logoAtom N280
brand logoAtom N435
brand logoCore i5-12500
brand logoXeon W-3335
brand logoXeon w7-3545
brand logoXeon w9-3575X
Sempron LE-1100
1 / 1
376
0.0%
brand logoAthlon XP 1600+
brand logoAthlon XP 1900+
brand logoAthlon XP 2200+
brand logoAthlon 64 2000+
brand logoRyzen 5 PRO 5655G
brand logoRyzen Threadripper PRO 3955WX
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper 3990X

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.

Pentium 4 2.66 vs Sempron LE-1100 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.

Path of Exile 2

Path of Exile 2

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Counter-Strike 2

Counter-Strike 2

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
League of Legends

League of Legends

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Valorant

Valorant

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Among Us

Among Us

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Apex Legends

Apex Legends

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
ARC Raiders

ARC Raiders

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
Pentium 4 2.66
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
1080P
Sempron LE-1100
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Check FPS with Custom Builds

Pentium 4 2.66 vs Sempron LE-1100: Pros, Cons & Final Verdict

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

Pentium 4 2.66

2002

Why buy it

    Trade-offs

    • ❌Launch MSRP is still $300 MSRP, while Sempron LE-1100 mostly shows up through inconsistent older-market listings.
    • ❌144.4% higher power demand at 110W vs 45W.

    Sempron LE-1100

    2007

    Why buy it

    • ✅Draws 45W instead of 110W, a 65W reduction.

    Trade-offs

    • ❌Lower PassMark (376 vs 378).

    Quick Answers

    So, is Pentium 4 2.66 better than Sempron LE-1100?
    Yes. Pentium 4 2.66 is the better all-around CPU here. It gives you 0.5% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Pentium 4 2.66 has the edge because it leads the single-thread side of this matchup with 40% higher max boost clock.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Pentium 4 2.66 is the stronger fit. You are getting 0.5% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Pentium 4 2.66 is the better buy right now. Pentium 4 2.66 comes in at an unclear MSRP at $300 MSRP versus unclear MSRP, and it still gives you 0.5% higher PassMark. It is also 100.0% better value on MSRP (1.3 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
    Which one is more future-proof for 2026 and beyond?
    Sempron LE-1100 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2007 vs 2002). That makes it the safer long-term bet.

    Pentium 4 2.66 vs Sempron LE-1100 Technical Specifications

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

    Intel

    Pentium 4 2.66

    The Pentium 4 2.66 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.66 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 378 points. Launch price was $69.

    AMD

    Sempron LE-1100

    The Sempron LE-1100 is manufactured by AMD. It was released in 2007-01-01. It is based on the Sparta (2007) architecture. It features 1 cores and 1 threads. Max frequency: 1.9 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 376 points. Launch price was $69.

    ⚡

    Processing Power

    Both the Pentium 4 2.66 and Sempron LE-1100 share an identical 1-core/1-thread configuration. Boost clocks reach 2.66 GHz on the Pentium 4 2.66 versus 1.9 GHz on the Sempron LE-1100 — a 33.3% clock advantage for the Pentium 4 2.66. The Pentium 4 2.66 uses the NetBurst (2000−2006) architecture (130 nm), while the Sempron LE-1100 uses Sparta (2007) (65 nm). In PassMark, the Pentium 4 2.66 scores 378 against the Sempron LE-1100's 376 — a 0.5% lead for the Pentium 4 2.66. Both processors carry 0 kB of L3 cache.

    FeaturePentium 4 2.66Sempron LE-1100
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    2.66 GHz+40%
    1.9 GHz
    L3 Cache
    0 kB
    0 kB
    L2 Cache
    512 kB+100%
    256 kB
    Process
    130 nm
    65 nm-50%
    Architecture
    NetBurst (2000−2006)
    Sparta (2007)
    PassMark
    378
    376
    🧠

    Memory & Platform

    The Pentium 4 2.66 uses the PGA478 socket (PCIe 1.1), while the Sempron LE-1100 uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.

    FeaturePentium 4 2.66Sempron LE-1100
    Socket
    PGA478
    AM2
    PCIe Generation
    PCIe 1.1
    PCIe 2.0+82%