Phenom II X4 805 vs Ryzen 7 5700X
Phenom II X4 805
Ryzen 7 5700X
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 X4 805 is positioned at rank #317 in our cost-efficiency ranking, representing a Lower 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 X4 805
Performance Per Dollar Ryzen 7 5700X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 805 | Ryzen 7 5700X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($175) |
| Longevity | 🛑 Legacy (Deneb (2009−2011) / 45 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm) |
💎 Value Proposition
| Insight | Phenom II X4 805 | Ryzen 7 5700X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($175) |
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 X4 805 and Ryzen 7 5700X
Phenom II X4 805
The Phenom II X4 805 is manufactured by AMD. It was released in 9 February 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,001 points. Launch price was $174.
Ryzen 7 5700X
The Ryzen 7 5700X is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 26,609 points. Launch price was $299.
Processing Power
The Phenom II X4 805 packs 4 cores / 4 threads, while the Ryzen 7 5700X offers 8 cores / 16 threads — the Ryzen 7 5700X has 4 more cores. Boost clocks reach 2.5 GHz on the Phenom II X4 805 versus 4.6 GHz on the Ryzen 7 5700X — a 59.2% clock advantage for the Ryzen 7 5700X (base: 2.5 GHz vs 3.4 GHz). The Phenom II X4 805 uses the Deneb (2009−2011) architecture (45 nm), while the Ryzen 7 5700X uses Vermeer (Zen 3) (2020−2022) (7 nm). In PassMark, the Phenom II X4 805 scores 2,001 against the Ryzen 7 5700X's 26,609 — a 172% lead for the Ryzen 7 5700X. L3 cache: 4 MB (total) on the Phenom II X4 805 vs 32 MB (total) on the Ryzen 7 5700X.
| Feature | Phenom II X4 805 | Ryzen 7 5700X |
|---|---|---|
| Cores / Threads | 4 / 4 | 8 / 16+100% |
| Boost Clock | 2.5 GHz | 4.6 GHz+84% |
| Base Clock | 2.5 GHz | 3.4 GHz+36% |
| L3 Cache | 4 MB (total) | 32 MB (total)+700% |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 45 nm | 7 nm-84% |
| Architecture | Deneb (2009−2011) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 2,001 | 26,609+1230% |
| Cinebench R23 Multi | — | 14,000 |
| Geekbench 6 Single | — | 2,116 |
| Geekbench 6 Multi | — | 9,715 |
Memory & Platform
The Phenom II X4 805 uses the AM3 socket (PCIe 2.0), while the Ryzen 7 5700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X4 805 | Ryzen 7 5700X |
|---|---|---|
| Socket | AM3 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 24 |
Advanced Features
Virtualization: not specified (Phenom II X4 805) / AMD-V (Ryzen 7 5700X). Primary use case: Ryzen 7 5700X targets Gaming. Direct competitor: Ryzen 7 5700X rivals Core i7-11700K.
| Feature | Phenom II X4 805 | Ryzen 7 5700X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Gaming |
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