
Core 2 Duo E8400

Ryzen 5 5600
Core 2 Duo E8400 vs Ryzen 5 5600 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.
Core 2 Duo E8400 vs Ryzen 5 5600 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
Core 2 Duo E8400 vs Ryzen 5 5600: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core 2 Duo E8400
2008Why buy it
Trade-offs
- βWorse for gaming: lower average FPS than Ryzen 5 5600 across 49 shared CPU benchmark tests.
- βLower PassMark (1,165 vs 21,550).
Ryzen 5 5600
2022Why buy it
- β Better for gaming: +645.0% higher average FPS across 49 shared CPU benchmark tests.
- β 50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.
Trade-offs
- βLaunch MSRP is still $199 MSRP, while Core 2 Duo E8400 mostly shows up through inconsistent older-market listings.
Quick Answers
So, is Ryzen 5 5600 better than Core 2 Duo E8400?
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?
Core 2 Duo E8400 vs Ryzen 5 5600 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core 2 Duo E8400
The Core 2 Duo E8400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008β2010) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,165 points. Launch price was $249.


Ryzen 5 5600
The Ryzen 5 5600 is manufactured by AMD. It was released in 20 April 2022 (3 years ago). It is based on the Vermeer (2020β2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.4 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: 21,550 points. Launch price was $299.
Processing Power
The Core 2 Duo E8400 packs 2 cores / 2 threads, while the Ryzen 5 5600 offers 6 cores / 12 threads β the Ryzen 5 5600 has 4 more cores. Boost clocks reach 3 GHz on the Core 2 Duo E8400 versus 4.4 GHz on the Ryzen 5 5600 β a 37.8% clock advantage for the Ryzen 5 5600 (base: 3 GHz vs 3.5 GHz). The Core 2 Duo E8400 uses the Wolfdale (2008β2010) architecture (45 nm), while the Ryzen 5 5600 uses Vermeer (2020β2025) (7 nm). In PassMark, the Core 2 Duo E8400 scores 1,165 against the Ryzen 5 5600's 21,550 β a 179.5% lead for the Ryzen 5 5600. L3 cache: 0 kB on the Core 2 Duo E8400 vs 32 MB (total) on the Ryzen 5 5600.
| Feature | Core 2 Duo E8400 | Ryzen 5 5600 |
|---|---|---|
| Cores / Threads | 2 / 2 | 6 / 12+200% |
| Boost Clock | 3 GHz | 4.4 GHz+47% |
| Base Clock | 3 GHz | 3.5 GHz+17% |
| L3 Cache | 0 kB | 32 MB (total) |
| L2 Cache | 6 MB (total) | 512K (per core)+8433% |
| Process | 45 nm | 7 nm-84% |
| Architecture | Wolfdale (2008β2010) | Vermeer (2020β2025) |
| PassMark | 1,165 | 21,550+1750% |
| Cinebench R23 Multi | β | 11,077 |
| Geekbench 6 Single | β | 2,052 |
| Geekbench 6 Multi | β | 8,600 |
Memory & Platform
The Core 2 Duo E8400 uses the LGA775 socket (PCIe 1.1), while the Ryzen 5 5600 uses AM4 (PCIe 4.0) β making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Core 2 Duo E8400 versus DDR4-3200 on the Ryzen 5 5600 β the Ryzen 5 5600 supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 5600 supports up to 128 GB of RAM compared to 16 GB β 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Duo E8400) vs 24 (Ryzen 5 5600) β the Ryzen 5 5600 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E8400) and B550,X570,B450,X470,A520 (Ryzen 5 5600).
| Feature | Core 2 Duo E8400 | Ryzen 5 5600 |
|---|---|---|
| Socket | LGA775 | AM4 |
| PCIe Generation | PCIe 1.1 | PCIe 4.0+264% |
| Max RAM Speed | 1333 | DDR4-3200+140% |
| Max RAM Capacity | 16 GB | 128 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | No | Yes |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Only the Ryzen 5 5600 has an unlocked multiplier for overclocking β a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Core 2 Duo E8400) vs AMD-V (Ryzen 5 5600). Primary use case: Ryzen 5 5600 targets Desktop. Direct competitor: Core 2 Duo E8400 rivals Phenom II X2 550.
| Feature | Core 2 Duo E8400 | Ryzen 5 5600 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | β |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | true | AMD-V |
| Target Use | β | Desktop |
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