Chipversus Index
Jump to Section

Athlon XP 3100+ vs Mobile Pentium 4 2.80

CPUCPUGPUGPU
AMD

Athlon XP 3100+

1 Cores1 Thrd68 WWMax: 2.2 GHz2003
Similar parts
·······
Buy on Amazon
VS
Intel

Mobile Pentium 4 2.80

1 Cores2 Thrd68 WWMax: 2.8 GHz2003
Similar parts
·······
Buy on Amazon

Athlon XP 3100+ vs Mobile Pentium 4 2.80 Performance Spectrum

Athlon XP 3100+
1 / 1
425
0.0%
brand logoAthlon XP 1900+
brand logoAthlon XP 2200+
brand logoAthlon 64 2000+
brand logoAthlon XP 2700+
brand logoRyzen AI 5 340
brand logoRyzen Threadripper PRO 3955WX
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper 3990X
Mobile Pentium 4 2.80
1 / 2
428
+0.7%
brand logoPentium III 1400S
brand logoAtom N280
brand logoPentium 4 2.40
brand logoPentium 4 2.66
brand logoCore i9-10900F
brand logoXeon W-3335
brand logoCore i9-14900K
brand logoXeon w9-3575X

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 3100+ vs Mobile Pentium 4 2.80 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 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Counter-Strike 2

Counter-Strike 2

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
League of Legends

League of Legends

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Valorant

Valorant

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Among Us

Among Us

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Apex Legends

Apex Legends

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
ARC Raiders

ARC Raiders

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
Athlon XP 3100+
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
1080P
Mobile Pentium 4 2.80
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Check FPS with Custom Builds

Athlon XP 3100+ vs Mobile Pentium 4 2.80: 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 3100+

2003

Why buy it

    Trade-offs

    • ❌Lower PassMark (425 vs 428).
    • ❌Launch MSRP is still $150 MSRP, while Mobile Pentium 4 2.80 mostly shows up through inconsistent older-market listings.

    Mobile Pentium 4 2.80

    2003

    Why buy it

      Trade-offs

      • ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

      Quick Answers

      So, is Mobile Pentium 4 2.80 better than Athlon XP 3100+?
      Yes. Mobile Pentium 4 2.80 is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data, 0.7% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
      Which one is better for gaming?
      If gaming is the priority, Mobile Pentium 4 2.80 is the better pick. According to our tests, it delivers 0.2% 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, Mobile Pentium 4 2.80 is the stronger fit. You are getting 0.7% better PassMark, backed by 1 cores and 2 threads.
      Which one is the smarter buy today, not just the cheaper CPU?
      Mobile Pentium 4 2.80 is still the much better call for a fresh build. Mobile Pentium 4 2.80 comes in at an unclear MSRP at unclear MSRP versus $150 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. Athlon XP 3100+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2003 platform. Even with 100.0% better value on paper (2.8 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on A.
      Which one is more future-proof for 2026 and beyond?
      Mobile Pentium 4 2.80 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 1 cores / 2 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

      Athlon XP 3100+ vs Mobile Pentium 4 2.80 Technical Specifications

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

      AMD

      Athlon XP 3100+

      The Athlon XP 3100+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Thorton (2001−2003) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 68 Watt. Passmark benchmark score: 425 points. Launch price was $149.

      Intel

      Mobile Pentium 4 2.80

      The Mobile Pentium 4 2.80 is manufactured by Intel. It was released in Junho 2003 (22 years ago). It is based on the Northwood (2002−2004) architecture. It features 1 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 68 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 428 points. Launch price was $69.

      ⚡

      Processing Power

      The Athlon XP 3100+ packs 1 cores / 1 threads, matching the Mobile Pentium 4 2.80's 1 cores. Boost clocks reach 2.2 GHz on the Athlon XP 3100+ versus 2.8 GHz on the Mobile Pentium 4 2.80 — a 24% clock advantage for the Mobile Pentium 4 2.80. The Athlon XP 3100+ uses the Thorton (2001−2003) architecture (130 nm), while the Mobile Pentium 4 2.80 uses Northwood (2002−2004) (130 nm). In PassMark, the Athlon XP 3100+ scores 425 against the Mobile Pentium 4 2.80's 428 — a 0.7% lead for the Mobile Pentium 4 2.80. Both processors carry 0 kB of L3 cache.

      FeatureAthlon XP 3100+Mobile Pentium 4 2.80
      Cores / Threads
      1 / 1
      1 / 2
      Boost Clock
      2.2 GHz
      2.8 GHz+27%
      L3 Cache
      0 kB
      0 kB
      L2 Cache
      256 kB
      512 kB+100%
      Process
      130 nm
      130 nm
      Architecture
      Thorton (2001−2003)
      Northwood (2002−2004)
      PassMark
      425
      428
      🧠

      Memory & Platform

      The Athlon XP 3100+ uses the A socket (PCIe 1.1), while the Mobile Pentium 4 2.80 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.

      FeatureAthlon XP 3100+Mobile Pentium 4 2.80
      Socket
      A
      PGA478
      PCIe Generation
      PCIe 1.1
      PCIe 1.1
      Max RAM Speed
      DDR-333
      —
      Max RAM Capacity
      4 GB
      —
      RAM Channels
      1
      —
      ECC Support
      No
      —
      PCIe Lanes
      0
      —