Core 2 Duo E4400 vs Ryzen 5 5600X

CPU

GPU

Core 2 Duo E4400

2 Cores2 Thrd65 WWMax: 2 GHz2007

Similar parts

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Ryzen 5 5600X

6 Cores12 Thrd65 WWMax: 4.6 GHz2020

Ryzen family

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Core 2 Duo E4400 vs Ryzen 5 5600X Performance Spectrum

Core 2 Duo E4400

2 / 2

1,095

0.0%

21,845

+1895.0%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 E4400 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.

Core 2 Duo E4400 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.

Core 2 Duo E4400

2007

Why buy it

✅Costs $186 less on MSRP ($113 MSRP vs $299 MSRP).
✅Includes a boxed cooler (Yes), unlike Ryzen 5 5600X.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 5600X across 50 shared CPU benchmark tests.
❌Lower PassMark (1,095 vs 21,845).
❌Lower PassMark per dollar, at 9.7 vs 73.1 PassMark/$ ($113 MSRP vs $299 MSRP).

Ryzen 5 5600X

2020

Why buy it

✅Better for gaming: +670.2% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 654.0% more PassMark for each dollar spent, at 73.1 vs 9.7 PassMark/$ ($299 MSRP vs $113 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌
164.6% HIGHER MSRP
$299 MSRPvs$113 MSRP
❌No boxed cooler included, unlike Core 2 Duo E4400.

Quick Answers

So, is Ryzen 5 5600X better than Core 2 Duo E4400?

Yes. Ryzen 5 5600X is the better all-around CPU here. It gives you a 670.2% average FPS lead across 50 shared CPU game tests in our data, 1895% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 5 5600X is the better pick. According to our tests, it delivers 670.2% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 5 5600X is the stronger fit. You are getting 1895% better PassMark, backed by 6 cores and 12 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 5 5600X is the better buy right now. Ryzen 5 5600X comes in 164.6% more expensive on MSRP at $299 MSRP versus $113 MSRP, and it still gives you a 670.2% average FPS lead across 50 shared CPU game tests in our data. It is also 654.0% better value on MSRP (73.1 vs 9.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 5 5600X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2007) and more multi-core headroom with 6 cores / 12 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo E4400 vs Ryzen 5 5600X Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core 2 Duo E4400

The Core 2 Duo E4400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Allendale (2006−2009) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,095 points. Launch price was $249.

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.

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Processing Power

The Core 2 Duo E4400 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 GHz on the Core 2 Duo E4400 versus 4.6 GHz on the Ryzen 5 5600X — a 78.8% clock advantage for the Ryzen 5 5600X (base: 2 GHz vs 3.7 GHz). The Core 2 Duo E4400 uses the Allendale (2006−2009) architecture (65 nm), while the Ryzen 5 5600X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core 2 Duo E4400 scores 1,095 against the Ryzen 5 5600X's 21,845 — a 180.9% lead for the Ryzen 5 5600X. L3 cache: 0 kB on the Core 2 Duo E4400 vs 32 MB on the Ryzen 5 5600X.

Feature	Core 2 Duo E4400	Ryzen 5 5600X
Cores / Threads	2 / 2	6 / 12+200%
Boost Clock	2 GHz	4.6 GHz+130%
Base Clock	2 GHz	3.7 GHz+85%
L3 Cache	0 kB	32 MB
L2 Cache	2 MB	512K (per core)+25500%
Process	65 nm	7 nm, 12 nm-89%
Architecture	Allendale (2006−2009)	Vermeer (Zen 3) (2020−2022)
PassMark	1,095	21,845+1895%
Geekbench 6 Single	208	—

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Memory & Platform

The Core 2 Duo E4400 uses the LGA775 socket (PCIe 1.1), while the Ryzen 5 5600X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-1066 on the Core 2 Duo E4400 versus DDR4-3200 on the Ryzen 5 5600X — the Ryzen 5 5600X supports 200.2% 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 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo E4400) vs 24 (Ryzen 5 5600X) — the Ryzen 5 5600X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: RS600,Q965 (Core 2 Duo E4400) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X).

Feature	Core 2 Duo E4400	Ryzen 5 5600X
Socket	LGA775	AM4
PCIe Generation	PCIe 1.1	PCIe 4.0+264%
Max RAM Speed	DDR2-1066	DDR4-3200+200%
Max RAM Capacity	16 GB	128 GB+700%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	0	24

🔧

Advanced Features

Only the Ryzen 5 5600X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: None (Core 2 Duo E4400) vs AMD-V (Ryzen 5 5600X). Primary use case: Core 2 Duo E4400 targets Budget, Ryzen 5 5600X targets Desktop. Direct competitor: Core 2 Duo E4400 rivals Athlon II X2 240.

Feature	Core 2 Duo E4400	Ryzen 5 5600X
Integrated GPU	No	No
Unlocked	No	Yes
AVX-512	No	No
Virtualization	None	AMD-V
Target Use	Budget	Desktop

💰

Value Analysis

At launch, the Core 2 Duo E4400 was priced at $113, while the Ryzen 5 5600X came in at $299. On launch pricing ($113 vs $299), Core 2 Duo E4400 was $186 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E4400 delivers 9.7 pts/$ vs 73.1 pts/$ for the Ryzen 5 5600X — making the Ryzen 5 5600X the 153.2% better value option.

Feature	Core 2 Duo E4400	Ryzen 5 5600X
MSRP	$113-62%	$299
Performance per Dollar	9.7	73.1+654%
Release Date	2007	2020

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