Phenom II X4 840T vs Ryzen 5 5600X
Phenom II X4 840T
Popular choices:
Ryzen 5 5600X
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 840T is positioned at rank #265 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 840T
Performance Per Dollar Ryzen 5 5600X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 840T | Ryzen 5 5600X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($135) |
| Longevity | 🛑 Legacy (Zosma (2010−2011) / 45 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Phenom II X4 840T | Ryzen 5 5600X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($135) |
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 840T and Ryzen 5 5600X
Phenom II X4 840T
The Phenom II X4 840T is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Zosma (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.2 GHz. L3 cache: 6 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: 2,367 points. Launch price was $80.
Ryzen 5 5600X
The Ryzen 5 5600X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 21,845 points. Launch price was $299.
Processing Power
The Phenom II X4 840T packs 4 cores / 4 threads, while the Ryzen 5 5600X offers 6 cores / 12 threads — the Ryzen 5 5600X has 2 more cores. Boost clocks reach 3.2 GHz on the Phenom II X4 840T versus 4.6 GHz on the Ryzen 5 5600X — a 35.9% clock advantage for the Ryzen 5 5600X (base: 2.9 GHz vs 3.7 GHz). The Phenom II X4 840T uses the Zosma (2010−2011) architecture (45 nm), while the Ryzen 5 5600X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Phenom II X4 840T scores 2,367 against the Ryzen 5 5600X's 21,845 — a 160.9% lead for the Ryzen 5 5600X. L3 cache: 6 MB (total) on the Phenom II X4 840T vs 32 MB on the Ryzen 5 5600X.
| Feature | Phenom II X4 840T | Ryzen 5 5600X |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 12+50% |
| Boost Clock | 3.2 GHz | 4.6 GHz+44% |
| Base Clock | 2.9 GHz | 3.7 GHz+28% |
| L3 Cache | 6 MB (total) | 32 MB+433% |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 45 nm | 7 nm, 12 nm-84% |
| Architecture | Zosma (2010−2011) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 2,367 | 21,845+823% |
Memory & Platform
The Phenom II X4 840T uses the AM3 socket (PCIe 2.0), while the Ryzen 5 5600X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X4 840T | Ryzen 5 5600X |
|---|---|---|
| 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 840T) / AMD-V (Ryzen 5 5600X). Primary use case: Ryzen 5 5600X targets Desktop.
| Feature | Phenom II X4 840T | Ryzen 5 5600X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Desktop |
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