Athlon 3000G vs Phenom II X3 P840
Athlon 3000G
Phenom II X3 P840
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 3000G
Performance Per Dollar Phenom II X3 P840
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 3000G | Phenom II X3 P840 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($60) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Zen+ (2018−2019) / 14 nm) | 🛑 Legacy (Champlain (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Athlon 3000G | Phenom II X3 P840 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($60) | ✅ More affordable ($0) |
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 3000G and Phenom II X3 P840
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.
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.
Processing Power
The Athlon 3000G packs 2 cores / 4 threads, while the Phenom II X3 P840 offers 3 cores / 3 threads — the Phenom II X3 P840 has 1 more core. Boost clocks reach 3.5 GHz on the Athlon 3000G versus 1.9 GHz on the Phenom II X3 P840 — a 59.3% clock advantage for the Athlon 3000G. The Athlon 3000G uses the Zen+ (2018−2019) architecture (14 nm), while the Phenom II X3 P840 uses Champlain (2010−2011) (45 nm). In PassMark, the Athlon 3000G scores 4,446 against the Phenom II X3 P840's 4,425 — a 0.5% lead for the Athlon 3000G.
| Feature | Athlon 3000G | Phenom II X3 P840 |
|---|---|---|
| Cores / Threads | 2 / 4 | 3 / 3+50% |
| Boost Clock | 3.5 GHz+84% | 1.9 GHz |
| Base Clock | 3.5 GHz | — |
| L3 Cache | 4 MB (total) | — |
| L2 Cache | 512K (per core) | 1.5 MB+200% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Zen+ (2018−2019) | Champlain (2010−2011) |
| PassMark | 4,446 | 4,425 |
| Cinebench R23 Multi | 1,800 | — |
| Geekbench 6 Single | 956 | — |
| Geekbench 6 Multi | 1,970 | — |
Memory & Platform
The Athlon 3000G uses the AM4 socket (PCIe 3.0), while the Phenom II X3 P840 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon 3000G | Phenom II X3 P840 |
|---|---|---|
| Socket | AM4 | S1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | 2666 | — |
| Max RAM Capacity | 64 | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (Athlon 3000G) / not specified (Phenom II X3 P840). 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 | Athlon 3000G | Phenom II X3 P840 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon Vega 3 Graphics | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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