
Atom E3825 vs Mobile Athlon 64 3400+

Atom E3825

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 Atom E3825 is positioned at rank 626 and the Mobile Athlon 64 3400+ is on rank 1055, so the Atom E3825 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom E3825
Performance Per Dollar Mobile Athlon 64 3400+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E3825 | Mobile Athlon 64 3400+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) | 🛑 Legacy (Clawhammer (2001−2005) / Standard Node) |
💎 Value Proposition
| Insight | Atom E3825 | Mobile Athlon 64 3400+ |
|---|---|---|
| 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 Atom E3825 and Mobile Athlon 64 3400+

Atom E3825
The Atom E3825 is manufactured by Intel. It was released in 8 October 2013 (12 years ago). It is based on the Bay Trail-I (2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.33 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 525 points. Launch price was $73.

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 Atom E3825 packs 2 cores / 2 threads, while the Mobile Athlon 64 3400+ offers 1 cores / 1 threads — the Atom E3825 has 1 more core. Boost clocks reach 1.33 GHz on the Atom E3825 versus 2.2 GHz on the Mobile Athlon 64 3400+ — a 49.3% clock advantage for the Mobile Athlon 64 3400+. The Atom E3825 uses the Bay Trail-I (2013) architecture (22 nm), while the Mobile Athlon 64 3400+ uses Clawhammer (2001−2005). In PassMark, the Atom E3825 scores 525 against the Mobile Athlon 64 3400+'s 545 — a 3.7% lead for the Mobile Athlon 64 3400+.
| Feature | Atom E3825 | Mobile Athlon 64 3400+ |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 1.33 GHz | 2.2 GHz+65% |
| L3 Cache | 0 kB | — |
| L2 Cache | 512 kB (per core) | 1 MB+100% |
| Process | 22 nm | — |
| Architecture | Bay Trail-I (2013) | Clawhammer (2001−2005) |
| PassMark | 525 | 545+4% |
Memory & Platform
The Atom E3825 uses the FCBGA1170 socket (PCIe 2.0), while the Mobile Athlon 64 3400+ uses 754 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1066 on the Atom E3825 versus 400 on the Mobile Athlon 64 3400+ — the Mobile Athlon 64 3400+ supports 197% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom E3825 supports up to 8 GB of RAM compared to 2 — 120% more capacity for professional workloads. Both feature 1-channel memory with ECC support. PCIe lanes: 4 (Atom E3825) vs 0 (Mobile Athlon 64 3400+) — the Atom E3825 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1170 (Atom E3825) and 754 (Mobile Athlon 64 3400+).
| Feature | Atom E3825 | Mobile Athlon 64 3400+ |
|---|---|---|
| Socket | FCBGA1170 | 754 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3L-1066 | 400+13233% |
| Max RAM Capacity | 8 GB+419430300% | 2 |
| RAM Channels | 1 | 1 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 4 | 0 |
Advanced Features
Virtualization: not specified (Atom E3825) / false (Mobile Athlon 64 3400+). The Atom E3825 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Mobile Athlon 64 3400+ requires a dedicated GPU. Direct competitor: Mobile Athlon 64 3400+ rivals Pentium M 735.
| Feature | Atom E3825 | Mobile Athlon 64 3400+ |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Bay Trail) | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | false |
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