Athlon XP 1800+
Pentium III 1400
Athlon XP 1800+ vs Pentium III 1400 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 1800+ vs Pentium III 1400 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 1800+ vs Pentium III 1400: 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 1800+
2001Why buy it
- ✅Includes a boxed cooler (Stock), unlike Pentium III 1400.
Trade-offs
- ❌Lower PassMark (225 vs 228).
- ❌0.8% HIGHER MSRP$252 MSRPvs$250 MSRP
- ❌112.9% higher power demand at 66W vs 31W.
Pentium III 1400
2001Why buy it
- ✅+1.3% higher PassMark.
- ✅Costs $2 less on MSRP ($250 MSRP vs $252 MSRP).
- ✅Draws 31W instead of 66W, a 35W reduction.
Trade-offs
- ❌No boxed cooler included, unlike Athlon XP 1800+.
Quick Answers
So, is Pentium III 1400 better than Athlon XP 1800+?
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 1800+ vs Pentium III 1400 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Athlon XP 1800+
The Athlon XP 1800+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Thoroughbred (2001−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.53 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: A. Thermal design power (TDP): 66 Watt. Passmark benchmark score: 225 points. Launch price was $59.
Pentium III 1400
The Pentium III 1400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tualatin (2000−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: PGA370. Thermal design power (TDP): 31 Watt. Passmark benchmark score: 228 points. Launch price was $69.
Processing Power
Both the Athlon XP 1800+ and Pentium III 1400 share an identical 1-core/1-thread configuration. Boost clocks reach 1.53 GHz on the Athlon XP 1800+ versus 1.4 GHz on the Pentium III 1400 — a 8.9% clock advantage for the Athlon XP 1800+. The Athlon XP 1800+ uses the Thoroughbred (2001−2002) architecture (180 nm), while the Pentium III 1400 uses Tualatin (2000−2002) (130 nm). In PassMark, the Athlon XP 1800+ scores 225 against the Pentium III 1400's 228 — a 1.3% lead for the Pentium III 1400. Both processors carry 0 kB of L3 cache.
| Feature | Athlon XP 1800+ | Pentium III 1400 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.53 GHz+9% | 1.4 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 256 kB |
| Process | 180 nm | 130 nm-28% |
| Architecture | Thoroughbred (2001−2002) | Tualatin (2000−2002) |
| PassMark | 225 | 228+1% |
| Geekbench 6 Single | 180 | — |
| Geekbench 6 Multi | 651 | — |
Memory & Platform
The Athlon XP 1800+ uses the A socket (PCIe 1.1), while the Pentium III 1400 uses PGA370 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Athlon XP 1800+ | Pentium III 1400 |
|---|---|---|
| Socket | A | PGA370 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR1 | — |
| Max RAM Capacity | 2 GB | — |
| RAM Channels | 1 | — |
| ECC Support | No | — |
Advanced Features
Virtualization: No (Athlon XP 1800+) / not specified (Pentium III 1400). Primary use case: Athlon XP 1800+ targets Budget. Direct competitor: Athlon XP 1800+ rivals Pentium D 830.
| Feature | Athlon XP 1800+ | Pentium III 1400 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | No | — |
| Target Use | Budget | — |
Value Analysis
At launch, the Athlon XP 1800+ was priced at $252, while the Pentium III 1400 came in at $250. On launch pricing ($252 vs $250), Pentium III 1400 was $2 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon XP 1800+ delivers 0.9 pts/$ vs 0.9 pts/$ for the Pentium III 1400 — making the Pentium III 1400 the 2.1% better value option.
| Feature | Athlon XP 1800+ | Pentium III 1400 |
|---|---|---|
| MSRP | $252 | $250 |
| Performance per Dollar | 0.9 | 0.9 |
| Release Date | 2001 | 2001 |
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