
Opteron 146

Athlon 64 3100+
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 Athlon 64 3100+ is on rank 1074, so the Opteron 146 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 Athlon 64 3100+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 146 | Athlon 64 3100+ |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | 🛑 Legacy (Lima (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | Opteron 146 | Athlon 64 3100+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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 Opteron 146 and Athlon 64 3100+

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.

Athlon 64 3100+
The Athlon 64 3100+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Lima (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512K. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 25 Watt. Memory support: DDR2. Passmark benchmark score: 475 points. Launch price was $149.
Processing Power
Both the Opteron 146 and Athlon 64 3100+ share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Opteron 146 versus 2 GHz on the Athlon 64 3100+ — identical boost frequencies. The Opteron 146 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Athlon 64 3100+ uses Lima (2008−2009) (65 nm). In PassMark, the Opteron 146 scores 505 against the Athlon 64 3100+'s 475 — a 6.1% lead for the Opteron 146.
| Feature | Opteron 146 | Athlon 64 3100+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2 GHz | 2 GHz |
| L3 Cache | 0 kB | — |
| L2 Cache | 1 MB+100% | 512K |
| Process | 130 nm | 65 nm-50% |
| Architecture | SledgeHammer (2003−2005) | Lima (2008−2009) |
| PassMark | 505+6% | 475 |
| Geekbench 6 Single | — | 280 |
| Geekbench 6 Multi | — | 280 |
Memory & Platform
The Opteron 146 uses the 940 socket (PCIe 2.0), while the Athlon 64 3100+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Opteron 146 | Athlon 64 3100+ |
|---|---|---|
| Socket | 940 | AM2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Opteron 146) / AMD-V (Athlon 64 3100+). Primary use case: Athlon 64 3100+ targets Legacy Desktop. Direct competitor: Athlon 64 3100+ rivals Celeron D 352.
| Feature | Opteron 146 | Athlon 64 3100+ |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Legacy Desktop |
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