
Phenom II X3 P840 vs Pentium 6805

Phenom II X3 P840

Pentium 6805
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 Phenom II X3 P840 is positioned at rank 45 and the Pentium 6805 is on rank 744, so the Phenom II X3 P840 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X3 P840
Performance Per Dollar Pentium 6805
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X3 P840 | Pentium 6805 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($161) |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | ✨ Modern (Ice Lake-Y (2020) / 10 nm) |
💎 Value Proposition
| Insight | Phenom II X3 P840 | Pentium 6805 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($161) |
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 Phenom II X3 P840 and Pentium 6805

Phenom II X3 P840
The Phenom II X3 P840 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 3 cores and 3 threads. Max frequency: 1.9 GHz. L2 cache: 1.5 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1.5 MB. Memory support: DDR3. Passmark benchmark score: 4,425 points. Launch price was $149.

Pentium 6805
The Pentium 6805 is manufactured by Intel. It was released in 1 October 2020 (5 years ago). It is based on the Ice Lake-Y (2020) architecture. It features 2 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 3 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1526. Thermal design power (TDP): 15 Watt. Memory support: DDR4-3200, LPDDR4-3733. Passmark benchmark score: 4,424 points. Launch price was $161.
Processing Power
The Phenom II X3 P840 packs 3 cores / 3 threads, while the Pentium 6805 offers 2 cores / 4 threads — the Phenom II X3 P840 has 1 more core. Boost clocks reach 1.9 GHz on the Phenom II X3 P840 versus 3 GHz on the Pentium 6805 — a 44.9% clock advantage for the Pentium 6805. The Phenom II X3 P840 uses the Champlain (2010−2011) architecture (45 nm), while the Pentium 6805 uses Ice Lake-Y (2020) (10 nm). In PassMark, the Phenom II X3 P840 scores 4,425 against the Pentium 6805's 4,424 — a 0% lead for the Phenom II X3 P840.
| Feature | Phenom II X3 P840 | Pentium 6805 |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 4 |
| Boost Clock | 1.9 GHz | 3 GHz+58% |
| Base Clock | — | 1.1 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 1.5 MB+500% | 256 kB (per core) |
| Process | 45 nm | 10 nm-78% |
| Architecture | Champlain (2010−2011) | Ice Lake-Y (2020) |
| PassMark | 4,425 | 4,424 |
Memory & Platform
The Phenom II X3 P840 uses the S1 socket (PCIe 2.0), while the Pentium 6805 uses FCBGA1526 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X3 P840 | Pentium 6805 |
|---|---|---|
| Socket | S1 | FCBGA1526 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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