Athlon II Neo K345 vs Pentium E5800
Athlon II Neo K345
Pentium E5800
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 Athlon II Neo K345 is positioned at rank 812 and the Pentium E5800 is on rank 821, so the Athlon II Neo K345 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II Neo K345
Performance Per Dollar Pentium E5800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K345 | Pentium E5800 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K345 | Pentium E5800 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+50%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ 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 Athlon II Neo K345 and Pentium E5800
Athlon II Neo K345
The Athlon II Neo K345 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.4 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 1,191 points. Launch price was $149.
Pentium E5800
The Pentium E5800 is manufactured by Intel. It was released in 28 November 2010 (15 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,190 points. Launch price was $68.
Processing Power
Both the Athlon II Neo K345 and Pentium E5800 share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Athlon II Neo K345 versus 3.2 GHz on the Pentium E5800 — a 78.3% clock advantage for the Pentium E5800. The Athlon II Neo K345 uses the Champlain (2010−2011) architecture (45 nm), while the Pentium E5800 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Athlon II Neo K345 scores 1,191 against the Pentium E5800's 1,190 — a 0.1% lead for the Athlon II Neo K345.
| Feature | Athlon II Neo K345 | Pentium E5800 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.4 GHz | 3.2 GHz+129% |
| Base Clock | — | 3.2 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB | 2 MB (total)+100% |
| Process | 45 nm | 45 nm |
| Architecture | Champlain (2010−2011) | Wolfdale (2008−2010) |
| PassMark | 1,191 | 1,190 |
Memory & Platform
The Athlon II Neo K345 uses the S1 socket (PCIe 2.0), while the Pentium E5800 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Athlon II Neo K345 | Pentium E5800 |
|---|---|---|
| Socket | S1 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1066 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Value Analysis
The Athlon II Neo K345 launched at $50 MSRP, while the Pentium E5800 debuted at $64. At current prices ($10 vs $15), the Athlon II Neo K345 is $5 cheaper. In terms of value (PassMark points per dollar), the Athlon II Neo K345 delivers 119.1 pts/$ vs 79.3 pts/$ for the Pentium E5800 — making the Athlon II Neo K345 the 40.1% better value option.
| Feature | Athlon II Neo K345 | Pentium E5800 |
|---|---|---|
| MSRP | $50-22% | $64 |
| Avg Price (30d) | $10-33% | $15 |
| Performance per Dollar | 119.1+50% | 79.3 |
| Release Date | 2010 | 2010 |
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