
Celeron U3400 vs Mobile Athlon 64 3400+

Celeron U3400

Mobile Athlon 64 3400+
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 Celeron U3400 is positioned at rank 1172 and the Mobile Athlon 64 3400+ is on rank 1055, so the Mobile Athlon 64 3400+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron U3400
Performance Per Dollar Mobile Athlon 64 3400+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron U3400 | Mobile Athlon 64 3400+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($5) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Westmere (2010−2011) / 32 nm) | 🛑 Legacy (Clawhammer (2001−2005) / Standard Node) |
💎 Value Proposition
| Insight | Celeron U3400 | Mobile Athlon 64 3400+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($5) | ✅ More affordable ($0) |
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 Celeron U3400 and Mobile Athlon 64 3400+

Celeron U3400
The Celeron U3400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Westmere (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.06 GHz, with boost up to 0.07 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 575 points. Launch price was $69.

Mobile Athlon 64 3400+
The Mobile Athlon 64 3400+ is manufactured by AMD. It was released in Agosto 2005 (20 years ago). It is based on the Clawhammer (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Socket: 754. Thermal design power (TDP): 1 MB. Memory support: DDR1. Passmark benchmark score: 545 points. Launch price was $69.
Processing Power
The Celeron U3400 packs 2 cores / 2 threads, while the Mobile Athlon 64 3400+ offers 1 cores / 1 threads — the Celeron U3400 has 1 more core. Boost clocks reach 0.07 GHz on the Celeron U3400 versus 2.2 GHz on the Mobile Athlon 64 3400+ — a 187.7% clock advantage for the Mobile Athlon 64 3400+. The Celeron U3400 uses the Westmere (2010−2011) architecture (32 nm), while the Mobile Athlon 64 3400+ uses Clawhammer (2001−2005). In PassMark, the Celeron U3400 scores 575 against the Mobile Athlon 64 3400+'s 545 — a 5.4% lead for the Celeron U3400.
| Feature | Celeron U3400 | Mobile Athlon 64 3400+ |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 0.07 GHz | 2.2 GHz+3043% |
| Base Clock | 1.06 GHz | — |
| L3 Cache | 2 MB | — |
| L2 Cache | 512 kB | 1 MB+100% |
| Process | 32 nm | — |
| Architecture | Westmere (2010−2011) | Clawhammer (2001−2005) |
| PassMark | 575+6% | 545 |
Memory & Platform
The Celeron U3400 uses the BGA1288 socket (PCIe 2.0), while the Mobile Athlon 64 3400+ uses 754 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Celeron U3400 | Mobile Athlon 64 3400+ |
|---|---|---|
| Socket | BGA1288 | 754 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | 400 |
| Max RAM Capacity | — | 2 |
| RAM Channels | — | 1 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Celeron U3400) / false (Mobile Athlon 64 3400+). Direct competitor: Mobile Athlon 64 3400+ rivals Pentium M 735.
| Feature | Celeron U3400 | Mobile Athlon 64 3400+ |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | false |
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