
Phenom II X2 N640

Ryzen 5 5600X
Phenom II X2 N640 vs Ryzen 5 5600X Performance Spectrum
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.
Phenom II X2 N640 vs Ryzen 5 5600X FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Phenom II X2 N640 vs Ryzen 5 5600X: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Phenom II X2 N640
2010Why buy it
- ✅Costs $199 less on MSRP ($100 MSRP vs $299 MSRP).
- ✅Draws 2W instead of 65W, a 63W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 5 5600X across 50 shared CPU benchmark tests.
- ❌Lower PassMark (1,505 vs 21,845).
- ❌Lower PassMark per dollar, at 15.1 vs 73.1 PassMark/$ ($100 MSRP vs $299 MSRP).
Ryzen 5 5600X
2020Why buy it
- ✅Better for gaming: +455.6% higher average FPS across 50 shared CPU benchmark tests.
- ✅Delivers 385.4% more PassMark for each dollar spent, at 73.1 vs 15.1 PassMark/$ ($299 MSRP vs $100 MSRP).
- ✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.
Trade-offs
- ❌199% HIGHER MSRP$299 MSRPvs$100 MSRP
- ❌3150% higher power demand at 65W vs 2W.
Quick Answers
So, is Ryzen 5 5600X better than Phenom II X2 N640?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Phenom II X2 N640 vs Ryzen 5 5600X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Phenom II X2 N640
The Phenom II X2 N640 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.9 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,505 points. Launch price was $149.


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 X2 N640 packs 2 cores / 2 threads, while the Ryzen 5 5600X offers 6 cores / 12 threads — the Ryzen 5 5600X has 4 more cores. Boost clocks reach 2.9 GHz on the Phenom II X2 N640 versus 4.6 GHz on the Ryzen 5 5600X — a 45.3% clock advantage for the Ryzen 5 5600X. The Phenom II X2 N640 uses the Champlain (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 X2 N640 scores 1,505 against the Ryzen 5 5600X's 21,845 — a 174.2% lead for the Ryzen 5 5600X.
| Feature | Phenom II X2 N640 | Ryzen 5 5600X |
|---|---|---|
| Cores / Threads | 2 / 2 | 6 / 12+200% |
| Boost Clock | 2.9 GHz | 4.6 GHz+59% |
| Base Clock | — | 3.7 GHz |
| L3 Cache | — | 32 MB |
| L2 Cache | 2 MB | 512K (per core)+25500% |
| Process | 45 nm | 7 nm, 12 nm-84% |
| Architecture | Champlain (2010−2011) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 1,505 | 21,845+1351% |
| Geekbench 6 Single | 300 | — |
| Geekbench 6 Multi | 422 | — |
Memory & Platform
The Phenom II X2 N640 uses the S1 socket (PCIe 2.0), while the Ryzen 5 5600X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Phenom II X2 N640 versus DDR4-3200 on the Ryzen 5 5600X — the Ryzen 5 5600X supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 5600X supports up to 128 GB of RAM compared to 8 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Phenom II X2 N640) vs 24 (Ryzen 5 5600X) — the Ryzen 5 5600X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: RS880M (Phenom II X2 N640) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X).
| Feature | Phenom II X2 N640 | Ryzen 5 5600X |
|---|---|---|
| Socket | S1 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1333 | DDR4-3200+140% |
| Max RAM Capacity | 8 GB | 128 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | No | Yes |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Only the Ryzen 5 5600X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. Primary use case: Phenom II X2 N640 targets Legacy Laptop, Ryzen 5 5600X targets Desktop.
| Feature | Phenom II X2 N640 | Ryzen 5 5600X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Legacy Laptop | Desktop |
Value Analysis
At launch, the Phenom II X2 N640 was priced at $100, while the Ryzen 5 5600X came in at $299. On launch pricing ($100 vs $299), Phenom II X2 N640 was $199 cheaper. In terms of value on MSRP (PassMark points per dollar), the Phenom II X2 N640 delivers 15.1 pts/$ vs 73.1 pts/$ for the Ryzen 5 5600X — making the Ryzen 5 5600X the 131.7% better value option.
| Feature | Phenom II X2 N640 | Ryzen 5 5600X |
|---|---|---|
| MSRP | $100-67% | $299 |
| Performance per Dollar | 15.1 | 73.1+384% |
| Release Date | 2010 | 2020 |
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