Pentium III 1400S vs Athlon XP 1600+
Pentium III 1400S
Athlon XP 1600+
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 Pentium III 1400S is positioned at rank 1128 and the Athlon XP 1600+ is on rank 1114, so the Athlon XP 1600+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium III 1400S
Performance Per Dollar Athlon XP 1600+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium III 1400S | Athlon XP 1600+ |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($250) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Tualatin (2000−2002) / 130 nm) | 🛑 Legacy (Thoroughbred (2001−2002) / 180 nm) |
💎 Value Proposition
| Insight | Pentium III 1400S | Athlon XP 1600+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1362%) |
| Upfront Cost | ⚠️ Higher cost ($250) | ✅ More affordable ($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 Pentium III 1400S and Athlon XP 1600+
Pentium III 1400S
The Pentium III 1400S 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: 512 kB. Built on 130 nm process technology. Socket: PGA370. Thermal design power (TDP): 32 Watt. Passmark benchmark score: 228 points. Launch price was $69.
Athlon XP 1600+
The Athlon XP 1600+ 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: 1.4 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: A. Thermal design power (TDP): 63 Watt. Passmark benchmark score: 200 points. Launch price was $149.
Processing Power
Both the Pentium III 1400S and Athlon XP 1600+ share an identical 1-core/1-thread configuration. Boost clocks reach 1.4 GHz on the Pentium III 1400S versus 1.4 GHz on the Athlon XP 1600+ — identical boost frequencies. The Pentium III 1400S uses the Tualatin (2000−2002) architecture (130 nm), while the Athlon XP 1600+ uses Thoroughbred (2001−2002) (180 nm). In PassMark, the Pentium III 1400S scores 228 against the Athlon XP 1600+'s 200 — a 13.1% lead for the Pentium III 1400S. Both processors carry 0 kB of L3 cache.
| Feature | Pentium III 1400S | Athlon XP 1600+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.4 GHz | 1.4 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB+100% | 256 kB |
| Process | 130 nm-28% | 180 nm |
| Architecture | Tualatin (2000−2002) | Thoroughbred (2001−2002) |
| PassMark | 228+14% | 200 |
Memory & Platform
The Pentium III 1400S uses the PGA370 socket (PCIe 1.1), while the Athlon XP 1600+ uses A (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches PC133 on the Pentium III 1400S versus DDR-266 on the Athlon XP 1600+ — the Pentium III 1400S supports -600% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Pentium III 1400S supports up to 4 GB of RAM compared to 2 GB — 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Chipset compatibility: Intel 815,VIA Apollo Pro 133T (Pentium III 1400S) and Socket A (Athlon XP 1600+).
| Feature | Pentium III 1400S | Athlon XP 1600+ |
|---|---|---|
| Socket | PGA370 | A |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | PC133 | DDR-266 |
| Max RAM Capacity | 4 GB+100% | 2 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization support: No (Pentium III 1400S) vs false (Athlon XP 1600+).
| Feature | Pentium III 1400S | Athlon XP 1600+ |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | No | false |
Value Analysis
The Pentium III 1400S launched at $250 MSRP, while the Athlon XP 1600+ debuted at $160. At current prices ($250 vs $15), the Athlon XP 1600+ is $235 cheaper. In terms of value (PassMark points per dollar), the Pentium III 1400S delivers 0.9 pts/$ vs 13.3 pts/$ for the Athlon XP 1600+ — making the Athlon XP 1600+ the 174.4% better value option.
| Feature | Pentium III 1400S | Athlon XP 1600+ |
|---|---|---|
| MSRP | $250 | $160-36% |
| Avg Price (30d) | $250 | $15-94% |
| Performance per Dollar | 0.9 | 13.3+1378% |
| Release Date | 2002 | 2001 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Pentium III 1400S and Athlon XP 1600+
