
Athlon XP 2100+

Pentium 4 2.26
Athlon XP 2100+ vs Pentium 4 2.26 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 2100+ vs Pentium 4 2.26 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

ARC Raiders

Baldur's Gate 3

Call of Duty: Warzone

Cyberpunk 2077
Athlon XP 2100+ vs Pentium 4 2.26: 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 2100+
2001Why buy it
- ✅Draws 72W instead of 110W, a 38W reduction.
Trade-offs
- ❌Lower PassMark (265 vs 295).
- ❌Lower PassMark per dollar, at 0.6 vs 1.2 PassMark/$ ($420 MSRP vs $241 MSRP).
Pentium 4 2.26
2002Why buy it
- ✅Costs $179 less on MSRP ($241 MSRP vs $420 MSRP).
- ✅Delivers 94.0% more PassMark for each dollar spent, at 1.2 vs 0.6 PassMark/$ ($241 MSRP vs $420 MSRP).
Trade-offs
- ❌52.8% higher power demand at 110W vs 72W.
Quick Answers
So, is Pentium 4 2.26 better than Athlon XP 2100+?
Which one is better for gaming?
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 2100+ vs Pentium 4 2.26 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Athlon XP 2100+
The Athlon XP 2100+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Thoroughbred (2001−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.73 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: A. Thermal design power (TDP): 72 Watt. Passmark benchmark score: 265 points. Launch price was $149.

Pentium 4 2.26
The Pentium 4 2.26 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.26 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 295 points. Launch price was $69.
Processing Power
Both the Athlon XP 2100+ and Pentium 4 2.26 share an identical 1-core/1-thread configuration. Boost clocks reach 1.73 GHz on the Athlon XP 2100+ versus 2.26 GHz on the Pentium 4 2.26 — a 26.6% clock advantage for the Pentium 4 2.26. The Athlon XP 2100+ uses the Thoroughbred (2001−2002) architecture (180 nm), while the Pentium 4 2.26 uses NetBurst (2000−2006) (130 nm). In PassMark, the Athlon XP 2100+ scores 265 against the Pentium 4 2.26's 295 — a 10.7% lead for the Pentium 4 2.26. Both processors carry 0 kB of L3 cache.
| Feature | Athlon XP 2100+ | Pentium 4 2.26 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.73 GHz | 2.26 GHz+31% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 512 kB+100% |
| Process | 180 nm | 130 nm-28% |
| Architecture | Thoroughbred (2001−2002) | NetBurst (2000−2006) |
| PassMark | 265 | 295+11% |
Memory & Platform
The Athlon XP 2100+ uses the A socket (PCIe 1.1), while the Pentium 4 2.26 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Athlon XP 2100+ | Pentium 4 2.26 |
|---|---|---|
| Socket | A | PGA478 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR-266 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | Yes | — |
| PCIe Lanes | 0 | — |
Value Analysis
At launch, the Athlon XP 2100+ was priced at $420, while the Pentium 4 2.26 came in at $241. On launch pricing ($420 vs $241), Pentium 4 2.26 was $179 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon XP 2100+ delivers 0.6 pts/$ vs 1.2 pts/$ for the Pentium 4 2.26 — making the Pentium 4 2.26 the 63.9% better value option.
| Feature | Athlon XP 2100+ | Pentium 4 2.26 |
|---|---|---|
| MSRP | $420 | $241-43% |
| Performance per Dollar | 0.6 | 1.2+100% |
| Release Date | 2001 | 2002 |
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