CPU
GPU
Pentium III 1400S
Core i7-12700K
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 i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium III 1400S | Core i7-12700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($250) | ⚠️ Higher cost ($285) |
| Longevity | 🛑 Legacy (Tualatin (2000−2002) / 130 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Pentium III 1400S | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+13114%) |
| Upfront Cost | ✅ More affordable ($250) | ⚠️ Higher cost ($285) |
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 i7-12700K
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 i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
Processing Power
The Pentium III 1400S packs 1 cores / 1 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 11 more cores. Boost clocks reach 1.4 GHz on the Pentium III 1400S versus 5 GHz on the Core i7-12700K — a 112.5% clock advantage for the Core i7-12700K. The Pentium III 1400S uses the Tualatin (2000−2002) architecture (130 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Pentium III 1400S scores 228 against the Core i7-12700K's 34,347 — a 197.4% lead for the Core i7-12700K. L3 cache: 0 kB on the Pentium III 1400S vs 25 MB (total) on the Core i7-12700K.
| Feature | Pentium III 1400S | Core i7-12700K |
|---|---|---|
| Cores / Threads | 1 / 1 | 12 / 20+1100% |
| Boost Clock | 1.4 GHz | 5 GHz+257% |
| Base Clock | — | 3.6 GHz |
| L3 Cache | 0 kB | 25 MB (total) |
| L2 Cache | 512 kB | 1.25 MB (per core)+150% |
| Process | 130 nm | 10 nm-92% |
| Architecture | Tualatin (2000−2002) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 228 | 34,347+14964% |
Memory & Platform
The Pentium III 1400S uses the PGA370 socket (PCIe 1.1), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches PC133 on the Pentium III 1400S versus 4800 on the Core i7-12700K — the Core i7-12700K supports 189.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 4 GB — 187.9% more capacity for professional workloads. Memory channels: 1 (Pentium III 1400S) vs 2 (Core i7-12700K). PCIe lanes: 0 (Pentium III 1400S) vs 20 (Core i7-12700K) — the Core i7-12700K offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 815,VIA Apollo Pro 133T (Pentium III 1400S) and Z690,B660 (Core i7-12700K).
| Feature | Pentium III 1400S | Core i7-12700K |
|---|---|---|
| Socket | PGA370 | LGA1700 |
| PCIe Generation | PCIe 1.1 | PCIe 5.0+355% |
| Max RAM Speed | PC133 | 4800+3509% |
| Max RAM Capacity | 4 GB+3276700% | 128 |
| RAM Channels | 1 | 2+100% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 0 | 20 |
Advanced Features
Virtualization support: No (Pentium III 1400S) vs VT-x, VT-d (Core i7-12700K). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Pentium III 1400S requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Pentium III 1400S | Core i7-12700K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel UHD Graphics 770 |
| Unlocked | — | Yes |
| AVX-512 | No | No |
| Virtualization | No | VT-x, VT-d |
Value Analysis
The Pentium III 1400S launched at $250 MSRP, while the Core i7-12700K debuted at $409. At current prices ($250 vs $285), the Pentium III 1400S is $35 cheaper. In terms of value (PassMark points per dollar), the Pentium III 1400S delivers 0.9 pts/$ vs 120.5 pts/$ for the Core i7-12700K — making the Core i7-12700K the 197% better value option.
| Feature | Pentium III 1400S | Core i7-12700K |
|---|---|---|
| MSRP | $250-39% | $409 |
| Avg Price (30d) | $250-12% | $285 |
| Performance per Dollar | 0.9 | 120.5+13289% |
| Release Date | 2002 | 2021 |
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