Phenom II X3 P840 vs Athlon 3000G
Phenom II X3 P840
Athlon 3000G
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 Athlon 3000G
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X3 P840 | Athlon 3000G |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($60) |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | ✨ Modern (Zen+ (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Phenom II X3 P840 | Athlon 3000G |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($60) |
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 Athlon 3000G
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.
Athlon 3000G
The Athlon 3000G is manufactured by AMD. It was released in 21 November 2019 (6 years ago). It is based on the Zen+ (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: AM4. Thermal design power (TDP): 35 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 4,446 points. Launch price was $49.
Processing Power
The Phenom II X3 P840 packs 3 cores / 3 threads, while the Athlon 3000G 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 3.5 GHz on the Athlon 3000G — a 59.3% clock advantage for the Athlon 3000G. The Phenom II X3 P840 uses the Champlain (2010−2011) architecture (45 nm), while the Athlon 3000G uses Zen+ (2018−2019) (14 nm). In PassMark, the Phenom II X3 P840 scores 4,425 against the Athlon 3000G's 4,446 — a 0.5% lead for the Athlon 3000G.
| Feature | Phenom II X3 P840 | Athlon 3000G |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 4 |
| Boost Clock | 1.9 GHz | 3.5 GHz+84% |
| Base Clock | — | 3.5 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 1.5 MB+200% | 512K (per core) |
| Process | 45 nm | 14 nm-69% |
| Architecture | Champlain (2010−2011) | Zen+ (2018−2019) |
| PassMark | 4,425 | 4,446 |
| Cinebench R23 Multi | — | 1,800 |
| Geekbench 6 Single | — | 956 |
| Geekbench 6 Multi | — | 1,970 |
Memory & Platform
The Phenom II X3 P840 uses the S1 socket (PCIe 2.0), while the Athlon 3000G uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X3 P840 | Athlon 3000G |
|---|---|---|
| Socket | S1 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | 2666 |
| Max RAM Capacity | — | 64 |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Phenom II X3 P840) / true (Athlon 3000G). The Athlon 3000G includes integrated graphics (Radeon Vega 3 Graphics), while the Phenom II X3 P840 requires a dedicated GPU. Direct competitor: Athlon 3000G rivals Pentium Gold G6400.
| Feature | Phenom II X3 P840 | Athlon 3000G |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon Vega 3 Graphics |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | true |
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