Athlon XP 3100+
Sempron 3400+
Athlon XP 3100+ vs Sempron 3400+ Performance Spectrum
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 Sempron 3400+ 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
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Athlon XP 3100+ vs Sempron 3400+: 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+
2003Why buy it
Trade-offs
- ❌Lower PassMark (425 vs 433).
- ❌Launch MSRP is still $150 MSRP, while Sempron 3400+ mostly shows up through inconsistent older-market listings.
Sempron 3400+
2005Why buy it
- ✅+1.9% higher PassMark.
- ✅Draws 62W instead of 68W, a 6W reduction.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Quick Answers
So, is Sempron 3400+ better than Athlon XP 3100+?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon XP 3100+ vs Sempron 3400+ Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
Sempron 3400+
The Sempron 3400+ 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: 128 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 62 Watt. Memory support: DDR1. Passmark benchmark score: 433 points. Launch price was $30.
Processing Power
Both the Athlon XP 3100+ and Sempron 3400+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Athlon XP 3100+ versus 2 GHz on the Sempron 3400+ — a 9.5% clock advantage for the Athlon XP 3100+. The Athlon XP 3100+ uses the Thorton (2001−2003) architecture (130 nm), while the Sempron 3400+ uses Palermo (2001−2005) (90 nm). In PassMark, the Athlon XP 3100+ scores 425 against the Sempron 3400+'s 433 — a 1.9% lead for the Sempron 3400+. Both processors carry 0 kB of L3 cache.
| Feature | Athlon XP 3100+ | Sempron 3400+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz+10% | 2 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB+100% | 128 kB |
| Process | 130 nm | 90 nm-31% |
| Architecture | Thorton (2001−2003) | Palermo (2001−2005) |
| PassMark | 425 | 433+2% |
Memory & Platform
The Athlon XP 3100+ uses the A socket (PCIe 1.1), while the Sempron 3400+ uses 939 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon XP 3100+ | Sempron 3400+ |
|---|---|---|
| Socket | A | 939 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-333 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | No | — |
| PCIe Lanes | 0 | — |
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