Intel Pentium 4 641 1-core LGA 775
The 65nm Cedar Mill core and 2MB L2 cache deliver notably better thermal efficiency than earlier Pentium 4 chips, with a 3.2GHz clock speed and 800 MHz FSB for basic single-threaded tasks. Its 115W TDP and LGA 775 socket make it a drop-in upgrade for legacy systems needing Hyper-Threading support without a full platform rebuild. This processor is best for retro PC builders restoring Windows XP-era gaming rigs or maintaining industrial equipment tied to specific legacy hardware.
Cores 1
Threads 2
TDP 115 W
Socket LGA 775
7 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong affordability (92nd percentile) 92nd
Cons
- Below average social proof (6th percentile)
- Below average ai (10th percentile)
- Below average single thread (11th percentile)
- Below average multi thread (12th percentile)
The proof
Performance
Specifications
Full Specifications
Processor
| Brand | Intel |
| Series | Pentium 4 |
| Model | 641 |
| Codename | Cedar Mill |
| Class | desktop |
| Process | 65 |
Cores & Clocks
| Cores | 1 |
| Threads | 2 |
| Base Clock | 3200 |
Cache
| L2 Cache | 2 |
Performance
| PassMark Multi | 385 |
| PassMark Single | 572 |
Platform & Power
| Socket | LGA 775 |
| TDP | 115 |
vs Competition
| Spec | Intel Pentium 4 641 | AMD Ryzen 5 7600 | Dell Xeon E5-2637 V2 | PC Server and Parts E5-2697 v2-cr | be quiet! Ryzen 3 Dark Rock Pro 5 | DAKboard CPU v4 |
|---|---|---|---|---|---|---|
| Cores | 1 | 6 | 32 | - | 4 | 4 |
| Threads | 2 | 12 | 64 | - | 4 | - |
| Boost Clock Mhz | - | 5100 | 3500 | - | 3400 | - |
| L3 Cache Mb | - | 32 | 256 | - | 8 | - |
| Tdp W | 115 | 65 | 200 | - | 270 | - |
| Socket | LGA 775 | AM5 | Socket A/Socket 462 (PGA 462) | - | AM4 | BGA |
| Integrated Graphics | - | AMD Radeon Graphics | No | - | - | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | AI | Feature | Platform | Efficiency | Multi Thread | Social Proof | Affordability | Single Thread |
|---|---|---|---|---|---|---|---|---|
| Intel Pentium 4 641 | 10.3 | 20.6 | 17.4 | 13.5 | 12.1 | 6.2 | 91.6 | 11.4 |
| AMD Ryzen 5 7600 Compare | 81.9 | 96.5 | 92.4 | 94 | 82.4 | 96.4 | 66.7 | 90.4 |
| Dell Xeon E5-2637 V2 Compare | 97.8 | 90.9 | 76.9 | 31.5 | 47.4 | 0 | 88 | 51.6 |
| PC Server and Parts E5-2697 v2-cr Compare | 50 | 20.6 | 17.4 | 29.2 | 67.8 | 0 | 87.3 | 45 |
| be quiet! Ryzen 3 Dark Rock Pro 5 Compare | 44.9 | 62.7 | 61.2 | 26.6 | 46.3 | 90.3 | 76.1 | 50.9 |
| DAKboard CPU v4 Compare | 8.5 | 20.6 | 17.4 | 8.6 | 9.9 | 58.7 | 55.2 | 17 |
Price
Value & Pricing
We started tracking prices for this product on Jun 15, 2026. The chart appears once we have more data.
Usage Scores
- Overall6.7
- AI/LLM5.3
- Budget33.3
- Gaming5.4
- Server5.5
- Efficiency6.5
- Productivity6.9
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
