Athlon XP 3100+
Opteron 140
Athlon XP 3100+ vs Opteron 140 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 Opteron 140 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 Opteron 140: 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
- ✅Draws 68W instead of 85W, a 17W reduction.
Trade-offs
- ❌Lower PassMark (425 vs 428).
- ❌Launch MSRP is still $150 MSRP, while Opteron 140 mostly shows up through inconsistent older-market listings.
Opteron 140
2003Why buy it
- ✅+0.7% higher PassMark.
Trade-offs
- ❌25% higher power demand at 85W vs 68W.
Quick Answers
So, is Athlon XP 3100+ better than Opteron 140?
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 Opteron 140 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.
Opteron 140
The Opteron 140 is manufactured by AMD. It was released in Setembro 2003 (22 years ago). It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 85 Watt. Passmark benchmark score: 428 points. Launch price was $596.
Processing Power
Both the Athlon XP 3100+ and Opteron 140 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Athlon XP 3100+ versus 1.4 GHz on the Opteron 140 — a 44.4% clock advantage for the Athlon XP 3100+. The Athlon XP 3100+ uses the Thorton (2001−2003) architecture (130 nm), while the Opteron 140 uses SledgeHammer (2003−2005) (130 nm). In PassMark, the Athlon XP 3100+ scores 425 against the Opteron 140's 428 — a 0.7% lead for the Opteron 140. Both processors carry 0 kB of L3 cache.
| Feature | Athlon XP 3100+ | Opteron 140 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz+57% | 1.4 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 1 MB+300% |
| Process | 130 nm | 130 nm |
| Architecture | Thorton (2001−2003) | SledgeHammer (2003−2005) |
| PassMark | 425 | 428 |
Memory & Platform
The Athlon XP 3100+ uses the A socket (PCIe 1.1), while the Opteron 140 uses 940 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon XP 3100+ | Opteron 140 |
|---|---|---|
| Socket | A | 940 |
| 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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