CPU
GPU
Pentium III 1400S
Core i5-10400F
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. The Pentium III 1400S is positioned at rank #1128 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium III 1400S
Performance Per Dollar Core i5-10400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium III 1400S | Core i5-10400F |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($250) | ✅ More affordable ($102) |
| Longevity | 🛑 Legacy (Tualatin (2000−2002) / 130 nm) | ✨ Modern (Comet Lake (2020−2025) / 14 nm) |
💎 Value Proposition
| Insight | Pentium III 1400S | Core i5-10400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+13906%) |
| Upfront Cost | ⚠️ Higher cost ($250) | ✅ More affordable ($102) |
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 Core i5-10400F
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.
Core i5-10400F
The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.
Processing Power
The Pentium III 1400S packs 1 cores / 1 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core i5-10400F has 5 more cores. Boost clocks reach 1.4 GHz on the Pentium III 1400S versus 4.3 GHz on the Core i5-10400F — a 101.8% clock advantage for the Core i5-10400F. The Pentium III 1400S uses the Tualatin (2000−2002) architecture (130 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Pentium III 1400S scores 228 against the Core i5-10400F's 13,029 — a 193.1% lead for the Core i5-10400F. L3 cache: 0 kB on the Pentium III 1400S vs 12 MB (total) on the Core i5-10400F.
| Feature | Pentium III 1400S | Core i5-10400F |
|---|---|---|
| Cores / Threads | 1 / 1 | 6 / 12+500% |
| Boost Clock | 1.4 GHz | 4.3 GHz+207% |
| Base Clock | — | 2.9 GHz |
| L3 Cache | 0 kB | 12 MB (total) |
| L2 Cache | 512 kB+100% | 256K (per core) |
| Process | 130 nm | 14 nm-89% |
| Architecture | Tualatin (2000−2002) | Comet Lake (2020−2025) |
| PassMark | 228 | 13,029+5614% |
| Cinebench R23 Multi | — | 8,191 |
| Geekbench 6 Single | — | 1,454 |
| Geekbench 6 Multi | — | 5,783 |
Memory & Platform
The Pentium III 1400S uses the PGA370 socket (PCIe 1.1), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches PC133 on the Pentium III 1400S versus DDR4-2666 on the Core i5-10400F — the Pentium III 1400S supports 188.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-10400F supports up to 128 GB of RAM compared to 4 GB — 187.9% more capacity for professional workloads. Memory channels: 1 (Pentium III 1400S) vs 2 (Core i5-10400F). PCIe lanes: 0 (Pentium III 1400S) vs 16 (Core i5-10400F) — the Core i5-10400F offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 815,VIA Apollo Pro 133T (Pentium III 1400S) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).
| Feature | Pentium III 1400S | Core i5-10400F |
|---|---|---|
| Socket | PGA370 | LGA1200 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | PC133+3225% | DDR4-2666 |
| Max RAM Capacity | 4 GB | 128 GB+3100% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization support: No (Pentium III 1400S) vs VT-x, VT-d (Core i5-10400F). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.
| Feature | Pentium III 1400S | Core i5-10400F |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | No | VT-x, VT-d |
| Target Use | — | Gaming |
Value Analysis
The Pentium III 1400S launched at $250 MSRP, while the Core i5-10400F debuted at $160. At current prices ($250 vs $102), the Core i5-10400F is $148 cheaper. In terms of value (PassMark points per dollar), the Pentium III 1400S delivers 0.9 pts/$ vs 127.7 pts/$ for the Core i5-10400F — making the Core i5-10400F the 197.2% better value option.
| Feature | Pentium III 1400S | Core i5-10400F |
|---|---|---|
| MSRP | $250 | $160-36% |
| Avg Price (30d) | $250 | $102-59% |
| Performance per Dollar | 0.9 | 127.7+14089% |
| Release Date | 2002 | 2020 |
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