Sempron 3500+ vs Athlon 64 3100+
Sempron 3500+
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 Sempron 3500+ is positioned at rank 894 and the Athlon 64 3100+ is on rank 1074, so the Sempron 3500+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 3500+
Performance Per Dollar Athlon 64 3100+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 3500+ | 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 (Palermo (2001−2005) / 90 nm) | 🛑 Legacy (Lima (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | Sempron 3500+ | 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.
Technical Specifications
Side-by-side comparison of Sempron 3500+ and Athlon 64 3100+
Sempron 3500+
The Sempron 3500+ is manufactured by AMD. It was released in 1 October 2005 (20 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 62 Watt. Memory support: DDR1. Passmark benchmark score: 465 points. Launch price was $167.
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 Sempron 3500+ and Athlon 64 3100+ share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Sempron 3500+ versus 2 GHz on the Athlon 64 3100+ — identical boost frequencies. The Sempron 3500+ uses the Palermo (2001−2005) architecture (90 nm), while the Athlon 64 3100+ uses Lima (2008−2009) (65 nm). In PassMark, the Sempron 3500+ scores 465 against the Athlon 64 3100+'s 475 — a 2.1% lead for the Athlon 64 3100+.
| Feature | Sempron 3500+ | Athlon 64 3100+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2 GHz | 2 GHz |
| L3 Cache | 0 kB | — |
| L2 Cache | 256 kB | 512K+100% |
| Process | 90 nm | 65 nm-28% |
| Architecture | Palermo (2001−2005) | Lima (2008−2009) |
| PassMark | 465 | 475+2% |
| Geekbench 6 Single | — | 280 |
| Geekbench 6 Multi | — | 280 |
Memory & Platform
The Sempron 3500+ uses the 939 socket (PCIe 2.0), while the Athlon 64 3100+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Sempron 3500+ | Athlon 64 3100+ |
|---|---|---|
| Socket | 939 | 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 (Sempron 3500+) / AMD-V (Athlon 64 3100+). Primary use case: Athlon 64 3100+ targets Legacy Desktop. Direct competitor: Athlon 64 3100+ rivals Celeron D 352.
| Feature | Sempron 3500+ | Athlon 64 3100+ |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Legacy Desktop |
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