Core 2 Duo SL9400 vs Ryzen 5 5600X

CPU

GPU

Core 2 Duo SL9400

2 Cores2 Thrd6 WWMax: 1.86 GHz2008

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 SL9400 vs Ryzen 5 5600X Performance Spectrum

Core 2 Duo SL9400

2 / 2

2,144

0.0%

21,845

+918.9%

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 SL9400 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 SL9400 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 SL9400

2008

Why buy it

✅Costs $15 less on MSRP ($284 MSRP vs $299 MSRP).
✅Draws 6W instead of 65W, a 59W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 5600X across 50 shared CPU benchmark tests.
❌Lower PassMark (2,144 vs 21,845).
❌Smaller total L3 cache (6 MB vs 32 MB).
❌Lower PassMark per dollar, at 7.5 vs 73.1 PassMark/$ ($284 MSRP vs $299 MSRP).

Ryzen 5 5600X

2020

Why buy it

✅Better for gaming: +319.5% higher average FPS across 50 shared CPU benchmark tests.
✅+433.3% larger total L3 cache (32 MB vs 6 MB).
✅Delivers 867.8% more PassMark for each dollar spent, at 73.1 vs 7.5 PassMark/$ ($299 MSRP vs $284 MSRP).
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
5.3% HIGHER MSRP
$299 MSRPvs$284 MSRP
❌983.3% higher power demand at 65W vs 6W.

Quick Answers

So, is Ryzen 5 5600X better than Core 2 Duo SL9400?

Yes. Ryzen 5 5600X is the better all-around CPU here. It gives you a 319.5% average FPS lead across 50 shared CPU game tests in our data, 918.9% 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 319.5% 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 918.9% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 433.3% larger total L3 cache (32 MB vs 6 MB).

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 5.3% more expensive on MSRP at $299 MSRP versus $284 MSRP, and it still gives you a 319.5% average FPS lead across 50 shared CPU game tests in our data. It is also 867.8% better value on MSRP (73.1 vs 7.5 PassMark/$), 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 2008), 433.3% larger total L3 cache (32 MB vs 6 MB), 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 SL9400 vs Ryzen 5 5600X Technical Specifications

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

Core 2 Duo SL9400

The Core 2 Duo SL9400 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 1.86 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 17 Watt. Passmark benchmark score: 2,144 points. Launch price was $284.

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 SL9400 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 1.86 GHz on the Core 2 Duo SL9400 versus 4.6 GHz on the Ryzen 5 5600X — a 84.8% clock advantage for the Ryzen 5 5600X (base: 1.86 GHz vs 3.7 GHz). The Core 2 Duo SL9400 uses the Penryn (2008−2011) architecture (45 nm), while the Ryzen 5 5600X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core 2 Duo SL9400 scores 2,144 against the Ryzen 5 5600X's 21,845 — a 164.3% lead for the Ryzen 5 5600X. L3 cache: 6 MB L2 Cache on the Core 2 Duo SL9400 vs 32 MB on the Ryzen 5 5600X.

Feature	Core 2 Duo SL9400	Ryzen 5 5600X
Cores / Threads	2 / 2	6 / 12+200%
Boost Clock	1.86 GHz	4.6 GHz+147%
Base Clock	1.86 GHz	3.7 GHz+99%
L3 Cache	6 MB L2 Cache	32 MB+433%
L2 Cache	6 MB	512K (per core)+8433%
Process	45 nm	7 nm, 12 nm-84%
Architecture	Penryn (2008−2011)	Vermeer (Zen 3) (2020−2022)
PassMark	2,144	21,845+919%

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Memory & Platform

The Core 2 Duo SL9400 uses the BGA956 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 DDR3-1066 on the Core 2 Duo SL9400 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 8 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Duo SL9400) vs 24 (Ryzen 5 5600X) — the Ryzen 5 5600X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GS45,GM45,PM45 (Core 2 Duo SL9400) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X).

Feature	Core 2 Duo SL9400	Ryzen 5 5600X
Socket	BGA956	AM4
PCIe Generation	PCIe 1.1	PCIe 4.0+264%
Max RAM Speed	DDR3-1066	DDR4-3200+200%
Max RAM Capacity	8 GB	128 GB+1500%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

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Advanced Features

Virtualization support: VT-x (Core 2 Duo SL9400) vs AMD-V (Ryzen 5 5600X). Primary use case: Core 2 Duo SL9400 targets Mobile, Ryzen 5 5600X targets Desktop.

Feature	Core 2 Duo SL9400	Ryzen 5 5600X
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	VT-x	AMD-V
Target Use	Mobile	Desktop

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Value Analysis

At launch, the Core 2 Duo SL9400 was priced at $284, while the Ryzen 5 5600X came in at $299. On launch pricing ($284 vs $299), Core 2 Duo SL9400 was $15 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo SL9400 delivers 7.5 pts/$ vs 73.1 pts/$ for the Ryzen 5 5600X — making the Ryzen 5 5600X the 162.5% better value option.

Feature	Core 2 Duo SL9400	Ryzen 5 5600X
MSRP	$284-5%	$299
Performance per Dollar	7.5	73.1+875%
Release Date	2008	2020

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