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Athlon 64 3100+ vs Mobile Sempron M100

CPUCPUGPUGPU
AMD

Athlon 64 3100+

1 Cores1 Thrd25 WWMax: 2 GHz2008
Similar parts
·······
Buy on Amazon
VS
AMD

Mobile Sempron M100

1 Cores1 Thrd512 WWMax: 2 GHz2009
Similar parts
·······
Buy on Amazon

Athlon 64 3100+ vs Mobile Sempron M100 Performance Spectrum

Athlon 64 3100+
1 / 1
475
+6.0%
brand logoAthlon XP 2100+
brand logoAthlon XP 2400+
brand logoAthlon XP 2700+
brand logoMobile Athlon 64 2800+
brand logoRyzen 5 8640HS
brand logoRyzen Threadripper PRO 3955WX
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper 3990X
Mobile Sempron M100
1 / 1
448
0.0%
brand logoAthlon XP 1900+
brand logoAthlon XP 2200+
brand logoAthlon XP 2600+
brand logoAthlon 64 2600+
brand logoRyzen 5 8640HS
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 64 3100+ vs Mobile Sempron M100 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 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Counter-Strike 2

Counter-Strike 2

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
League of Legends

League of Legends

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Valorant

Valorant

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Among Us

Among Us

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Apex Legends

Apex Legends

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
ARC Raiders

ARC Raiders

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Civilization VI

Civilization VI

1080P
Athlon 64 3100+
low12 FPS
medium12 FPS
high12 FPS
ultra12 FPS
1080P
Mobile Sempron M100
low11 FPS
medium11 FPS
high11 FPS
ultra11 FPS
Check FPS with Custom Builds

Athlon 64 3100+ vs Mobile Sempron M100: Pros, Cons & Final Verdict

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

Athlon 64 3100+

2008

Why buy it

  • ✅Better for gaming: +9.1% higher average FPS across 44 shared CPU benchmark tests.
  • ✅Draws 25W instead of 512W, a 487W reduction.
  • ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • ❌Launch MSRP is still $100 MSRP, while Mobile Sempron M100 mostly shows up through inconsistent older-market listings.

Mobile Sempron M100

2009

Why buy it

    Trade-offs

    • ❌Worse for gaming: lower average FPS than Athlon 64 3100+ across 44 shared CPU benchmark tests.
    • ❌Lower PassMark (448 vs 475).
    • ❌1948% higher power demand at 512W vs 25W.

    Quick Answers

    So, is Athlon 64 3100+ better than Mobile Sempron M100?
    Yes. Athlon 64 3100+ is the better all-around CPU here. It gives you a 9.1% average FPS lead across 44 shared CPU game tests in our data and 6% better PassMark, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Athlon 64 3100+ is the better pick. According to our tests, it delivers 9.1% more average FPS across 44 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Athlon 64 3100+ is the stronger fit. You are getting 6% better PassMark, backed by 1 cores and 1 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Athlon 64 3100+ is the better buy right now. Athlon 64 3100+ comes in at an unclear MSRP at $100 MSRP versus unclear MSRP, and it still gives you a 9.1% average FPS lead across 44 shared CPU game tests in our data. It is also 100.0% better value on MSRP (4.8 vs 0.0 PassMark/$), 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 M100 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2008). That makes it the safer long-term bet.

    Athlon 64 3100+ vs Mobile Sempron M100 Technical Specifications

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

    AMD

    Athlon 64 3100+

    The Athlon 64 3100+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Lima (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512K. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 25 Watt. Memory support: DDR2. Passmark benchmark score: 475 points. Launch price was $149.

    AMD

    Mobile Sempron M100

    The Mobile Sempron M100 is manufactured by AMD. It was released in 10 September 2009 (16 years ago). It is based on the Caspian (2009) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512 kB. Built on 40 nm process technology. Socket: S. Thermal design power (TDP): 512 kB. Passmark benchmark score: 448 points. Launch price was $69.

    ⚡

    Processing Power

    Both the Athlon 64 3100+ and Mobile Sempron M100 share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Athlon 64 3100+ versus 2 GHz on the Mobile Sempron M100 — identical boost frequencies. The Athlon 64 3100+ uses the Lima (2008−2009) architecture (65 nm), while the Mobile Sempron M100 uses Caspian (2009) (40 nm). In PassMark, the Athlon 64 3100+ scores 475 against the Mobile Sempron M100's 448 — a 5.9% lead for the Athlon 64 3100+.

    FeatureAthlon 64 3100+Mobile Sempron M100
    Cores / Threads
    1 / 1
    1 / 1
    Boost Clock
    2 GHz
    2 GHz
    L2 Cache
    512K
    512 kB
    Process
    65 nm
    40 nm-38%
    Architecture
    Lima (2008−2009)
    Caspian (2009)
    PassMark
    475+6%
    448
    Geekbench 6 Single
    280
    —
    Geekbench 6 Multi
    280
    —
    🧠

    Memory & Platform

    The Athlon 64 3100+ uses the AM2 socket (PCIe 2.0), while the Mobile Sempron M100 uses S (PCIe 2.0) — making them incompatible on the same motherboard.

    FeatureAthlon 64 3100+Mobile Sempron M100
    Socket
    AM2
    S
    PCIe Generation
    PCIe 2.0
    PCIe 2.0
    Max RAM Speed
    DDR2-800
    —
    Max RAM Capacity
    4 GB
    —
    RAM Channels
    2
    —
    ECC Support
    No
    —
    PCIe Lanes
    16
    —
    🔧

    Advanced Features

    Virtualization: AMD-V (Athlon 64 3100+) / not specified (Mobile Sempron M100). Primary use case: Athlon 64 3100+ targets Legacy Desktop. Direct competitor: Athlon 64 3100+ rivals Celeron D 352.

    FeatureAthlon 64 3100+Mobile Sempron M100
    Integrated GPU
    No
    —
    Unlocked
    No
    —
    AVX-512
    No
    —
    Virtualization
    AMD-V
    —
    Target Use
    Legacy Desktop
    —