
Opteron 146

Atom E3825
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 Opteron 146 is positioned at rank 789 and the Atom E3825 is on rank 626, 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 Opteron 146
Performance Per Dollar Atom E3825
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 146 | Atom E3825 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) |
💎 Value Proposition
| Insight | Opteron 146 | Atom E3825 |
|---|---|---|
| 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.

Counter-Strike 2

Valorant
Technical Specifications
Side-by-side comparison of Opteron 146 and Atom E3825

Opteron 146
The Opteron 146 is manufactured by AMD. It was released in Setembro 2003 (22 years ago). It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 505 points. Launch price was $60.

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.
Processing Power
The Opteron 146 packs 1 cores / 1 threads, while the Atom E3825 offers 2 cores / 2 threads — the Atom E3825 has 1 more core. Boost clocks reach 2 GHz on the Opteron 146 versus 1.33 GHz on the Atom E3825 — a 40.2% clock advantage for the Opteron 146. The Opteron 146 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Atom E3825 uses Bay Trail-I (2013) (22 nm). In PassMark, the Opteron 146 scores 505 against the Atom E3825's 525 — a 3.9% lead for the Atom E3825. Both processors carry 0 kB of L3 cache.
| Feature | Opteron 146 | Atom E3825 |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 2 GHz+50% | 1.33 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB+100% | 512 kB (per core) |
| Process | 130 nm | 22 nm-83% |
| Architecture | SledgeHammer (2003−2005) | Bay Trail-I (2013) |
| PassMark | 505 | 525+4% |
Memory & Platform
The Opteron 146 uses the 940 socket (PCIe 2.0), while the Atom E3825 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Opteron 146 | Atom E3825 |
|---|---|---|
| Socket | 940 | FCBGA1170 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3L-1066 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 1 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 4 |
Advanced Features
The Atom E3825 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Opteron 146 requires a dedicated GPU.
| Feature | Opteron 146 | Atom E3825 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Bay Trail) |
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