
Mobile Sempron M100 vs Athlon 64 3100+

Mobile Sempron M100

Athlon 64 3100+
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Mobile Sempron M100 is positioned at rank 1106 and the Athlon 64 3100+ is on rank 1074, so the Athlon 64 3100+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Mobile Sempron M100
Performance Per Dollar Athlon 64 3100+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Mobile Sempron M100 | Athlon 64 3100+ |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Caspian (2009) / 40 nm) | 🛑 Legacy (Lima (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | Mobile Sempron M100 | Athlon 64 3100+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Counter-Strike 2
Technical Specifications
Side-by-side comparison of Mobile Sempron M100 and Athlon 64 3100+

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.

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.
Processing Power
Both the Mobile Sempron M100 and Athlon 64 3100+ share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Mobile Sempron M100 versus 2 GHz on the Athlon 64 3100+ — identical boost frequencies. The Mobile Sempron M100 uses the Caspian (2009) architecture (40 nm), while the Athlon 64 3100+ uses Lima (2008−2009) (65 nm). In PassMark, the Mobile Sempron M100 scores 448 against the Athlon 64 3100+'s 475 — a 5.9% lead for the Athlon 64 3100+.
| Feature | Mobile Sempron M100 | Athlon 64 3100+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2 GHz | 2 GHz |
| L2 Cache | 512 kB | 512K |
| Process | 40 nm-38% | 65 nm |
| Architecture | Caspian (2009) | Lima (2008−2009) |
| PassMark | 448 | 475+6% |
| Geekbench 6 Single | — | 280 |
| Geekbench 6 Multi | — | 280 |
Memory & Platform
The Mobile Sempron M100 uses the S socket (PCIe 2.0), while the Athlon 64 3100+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Mobile Sempron M100 | Athlon 64 3100+ |
|---|---|---|
| Socket | S | AM2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Mobile Sempron M100) / AMD-V (Athlon 64 3100+). Primary use case: Athlon 64 3100+ targets Legacy Desktop. Direct competitor: Athlon 64 3100+ rivals Celeron D 352.
| Feature | Mobile Sempron M100 | Athlon 64 3100+ |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Legacy Desktop |
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