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Athlon XP 2800+ vs Mobile Sempron 3300+

CPUCPUGPUGPU
AMD

Athlon XP 2800+

1 Cores1 Thrd74 WWMax: 2.25 GHz2001
Similar parts
·······
Buy on Amazon
VS
AMD

Mobile Sempron 3300+

1 Cores1 Thrd128 WWMax: 2 GHz2005
Similar parts
·······
Buy on Amazon

Athlon XP 2800+ vs Mobile Sempron 3300+ Performance Spectrum

Athlon XP 2800+
1 / 1
380
+1.1%
brand logoAthlon XP 1700+
brand logoAthlon XP 2000+
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
Mobile Sempron 3300+
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.

Athlon XP 2800+ vs Mobile Sempron 3300+ 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
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Counter-Strike 2

Counter-Strike 2

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
League of Legends

League of Legends

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Valorant

Valorant

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Among Us

Among Us

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Apex Legends

Apex Legends

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
ARC Raiders

ARC Raiders

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
Athlon XP 2800+
low10 FPS
medium10 FPS
high10 FPS
ultra10 FPS
1080P
Mobile Sempron 3300+
low9 FPS
medium9 FPS
high9 FPS
ultra9 FPS
Check FPS with Custom Builds

Athlon XP 2800+ vs Mobile Sempron 3300+: Pros, Cons & Final Verdict

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

Athlon XP 2800+

2001

Why buy it

  • ✅Better for gaming: +10.9% higher average FPS across 50 shared CPU benchmark tests.
  • ✅Draws 74W instead of 128W, a 54W reduction.
  • ✅Includes a boxed cooler (Stock), unlike Mobile Sempron 3300+.

Trade-offs

  • ❌Launch MSRP is still $375 MSRP, while Mobile Sempron 3300+ mostly shows up through inconsistent older-market listings.

Mobile Sempron 3300+

2005

Why buy it

    Trade-offs

    • ❌Worse for gaming: lower average FPS than Athlon XP 2800+ across 50 shared CPU benchmark tests.
    • ❌Lower PassMark (376 vs 380).
    • ❌73% higher power demand at 128W vs 74W.
    • ❌No boxed cooler included, unlike Athlon XP 2800+.

    Quick Answers

    So, is Athlon XP 2800+ better than Mobile Sempron 3300+?
    Yes. Athlon XP 2800+ is the better all-around CPU here. It gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data and 1.1% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Athlon XP 2800+ is the better pick. According to our tests, it delivers 10.9% 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, Athlon XP 2800+ is the stronger fit. You are getting 1.1% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Athlon XP 2800+ is the better buy right now. Athlon XP 2800+ comes in at an unclear MSRP at $375 MSRP versus unclear MSRP, and it still gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (1.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
    Which one is more future-proof for 2026 and beyond?
    Mobile Sempron 3300+ makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2005 vs 2001). That makes it the safer long-term bet.

    Athlon XP 2800+ vs Mobile Sempron 3300+ Technical Specifications

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

    AMD

    Athlon XP 2800+

    The Athlon XP 2800+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Barton (2001−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.25 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 74 Watt. Passmark benchmark score: 380 points. Launch price was $149.

    AMD

    Mobile Sempron 3300+

    The Mobile Sempron 3300+ is manufactured by AMD. It was released in 1 June 2005 (20 years ago). It is based on the Roma (2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 128 kB. Built on 90 nm process technology. Socket: 745. Thermal design power (TDP): 128 kB. Passmark benchmark score: 376 points. Launch price was $69.

    ⚡

    Processing Power

    Both the Athlon XP 2800+ and Mobile Sempron 3300+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.25 GHz on the Athlon XP 2800+ versus 2 GHz on the Mobile Sempron 3300+ — a 11.8% clock advantage for the Athlon XP 2800+. The Athlon XP 2800+ uses the Barton (2001−2004) architecture (130 nm), while the Mobile Sempron 3300+ uses Roma (2005) (90 nm). In PassMark, the Athlon XP 2800+ scores 380 against the Mobile Sempron 3300+'s 376 — a 1.1% lead for the Athlon XP 2800+.

    FeatureAthlon XP 2800+Mobile Sempron 3300+
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    2.25 GHz+13%
    2 GHz
    L3 Cache
    0 kB
    —
    L2 Cache
    512K+300%
    128 kB
    Process
    130 nm
    90 nm-31%
    Architecture
    Barton (2001−2004)
    Roma (2005)
    PassMark
    380+1%
    376
    Geekbench 6 Single
    250
    —
    Geekbench 6 Multi
    250
    —
    🧠

    Memory & Platform

    The Athlon XP 2800+ uses the A socket (PCIe 1.1), while the Mobile Sempron 3300+ uses 745 (PCIe 2.0) — making them incompatible on the same motherboard.

    FeatureAthlon XP 2800+Mobile Sempron 3300+
    Socket
    A
    745
    PCIe Generation
    PCIe 1.1
    PCIe 2.0+82%
    Max RAM Speed
    DDR-333
    —
    Max RAM Capacity
    2 GB
    —
    RAM Channels
    1
    —
    ECC Support
    No
    —
    PCIe Lanes
    0
    —
    🔧

    Advanced Features

    Virtualization: None (Athlon XP 2800+) / not specified (Mobile Sempron 3300+). Primary use case: Athlon XP 2800+ targets Legacy Desktop.

    FeatureAthlon XP 2800+Mobile Sempron 3300+
    Integrated GPU
    No
    —
    Unlocked
    Yes
    —
    AVX-512
    No
    —
    Virtualization
    None
    —
    Target Use
    Legacy Desktop
    —