Phenom II X3 P840 vs Celeron G6900
Phenom II X3 P840
Celeron G6900
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. The Phenom II X3 P840 is positioned at rank #45 in our cost-efficiency ranking, representing a Great cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X3 P840
Performance Per Dollar Celeron G6900
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X3 P840 | Celeron G6900 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($77) |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Phenom II X3 P840 | Celeron G6900 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($77) |
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 Celeron G6900
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.
Celeron G6900
The Celeron G6900 is manufactured by Intel. It was released in 2007-01-01. It is based on the Alder Lake-S (2022) architecture. It features 2 cores and 2 threads. Base frequency is 3.4 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 46 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 4,458 points. Launch price was $69.
Processing Power
The Phenom II X3 P840 packs 3 cores / 3 threads, while the Celeron G6900 offers 2 cores / 2 threads — the Phenom II X3 P840 has 1 more core. Boost clocks reach 1.9 GHz on the Phenom II X3 P840 versus 3.4 GHz on the Celeron G6900 — a 56.6% clock advantage for the Celeron G6900. The Phenom II X3 P840 uses the Champlain (2010−2011) architecture (45 nm), while the Celeron G6900 uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Phenom II X3 P840 scores 4,425 against the Celeron G6900's 4,458 — a 0.7% lead for the Celeron G6900.
| Feature | Phenom II X3 P840 | Celeron G6900 |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 2 |
| Boost Clock | 1.9 GHz | 3.4 GHz+79% |
| Base Clock | — | 3.4 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 1.5 MB+20% | 1.25 MB (per core) |
| Process | 45 nm | Intel 7 nm-84% |
| Architecture | Champlain (2010−2011) | Alder Lake-S (2022) |
| PassMark | 4,425 | 4,458 |
| Geekbench 6 Single | — | 1,563 |
| Geekbench 6 Multi | — | 2,631 |
Memory & Platform
The Phenom II X3 P840 uses the S1 socket (PCIe 2.0), while the Celeron G6900 uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X3 P840 | Celeron G6900 |
|---|---|---|
| Socket | S1 | LGA1700 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | — | DDR5-4800 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Phenom II X3 P840) / VT-x (Celeron G6900). The Celeron G6900 includes integrated graphics (UHD Graphics 710), while the Phenom II X3 P840 requires a dedicated GPU. Primary use case: Celeron G6900 targets Budget. Direct competitor: Celeron G6900 rivals Pentium Gold G7400.
| Feature | Phenom II X3 P840 | Celeron G6900 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics 710 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
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