CPU
GPU
Sempron 3400+
Mobile Pentium 4 2.80
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 Sempron 3400+ is positioned at rank 907 and the Mobile Pentium 4 2.80 is on rank 847, so the Mobile Pentium 4 2.80 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 3400+
Performance Per Dollar Mobile Pentium 4 2.80
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 3400+ | Mobile Pentium 4 2.80 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Palermo (2001−2005) / 90 nm) | 🛑 Legacy (Northwood (2002−2004) / 130 nm) |
💎 Value Proposition
| Insight | Sempron 3400+ | Mobile Pentium 4 2.80 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Sempron 3400+ and Mobile Pentium 4 2.80
Sempron 3400+
The Sempron 3400+ is manufactured by AMD. It was released in 1 October 2005 (20 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 128 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 62 Watt. Memory support: DDR1. Passmark benchmark score: 433 points. Launch price was $30.
Mobile Pentium 4 2.80
The Mobile Pentium 4 2.80 is manufactured by Intel. It was released in Junho 2003 (22 years ago). It is based on the Northwood (2002−2004) architecture. It features 1 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 68 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 428 points. Launch price was $69.
Processing Power
The Sempron 3400+ packs 1 cores / 1 threads, matching the Mobile Pentium 4 2.80's 1 cores. Boost clocks reach 2 GHz on the Sempron 3400+ versus 2.8 GHz on the Mobile Pentium 4 2.80 — a 33.3% clock advantage for the Mobile Pentium 4 2.80. The Sempron 3400+ uses the Palermo (2001−2005) architecture (90 nm), while the Mobile Pentium 4 2.80 uses Northwood (2002−2004) (130 nm). In PassMark, the Sempron 3400+ scores 433 against the Mobile Pentium 4 2.80's 428 — a 1.2% lead for the Sempron 3400+. Both processors carry 0 kB of L3 cache.
| Feature | Sempron 3400+ | Mobile Pentium 4 2.80 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 2 |
| Boost Clock | 2 GHz | 2.8 GHz+40% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 128 kB | 512 kB+300% |
| Process | 90 nm-31% | 130 nm |
| Architecture | Palermo (2001−2005) | Northwood (2002−2004) |
| PassMark | 433+1% | 428 |
Memory & Platform
The Sempron 3400+ uses the 939 socket (PCIe 2.0), while the Mobile Pentium 4 2.80 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Sempron 3400+ | Mobile Pentium 4 2.80 |
|---|---|---|
| Socket | 939 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
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