Core 2 Quad Q9400 vs Core i5-13400F

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 Quad Q9400 vs Core i5-13400F 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 Quad Q9400 vs Core i5-13400F: 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 Quad Q9400

2008

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-13400F across 50 shared CPU benchmark tests.
❌Lower PassMark (2,160 vs 25,029).
❌Lower PassMark per dollar, at 9.4 vs 127.7 PassMark/$ ($229 MSRP vs $196 MSRP).
❌46.2% higher power demand at 95W vs 65W.
❌Older platform position on LGA775, while Core i5-13400F moves to LGA1700 and DDR5.

Core i5-13400F

2023

Why buy it

✅Better for gaming: +304.4% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $33 less on MSRP ($196 MSRP vs $229 MSRP).
✅Delivers 1253.8% more PassMark for each dollar spent, at 127.7 vs 9.4 PassMark/$ ($196 MSRP vs $229 MSRP).
✅Draws 65W instead of 95W, a 30W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA775 and older memory support.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Core i5-13400F better than Core 2 Quad Q9400?

Yes. Core i5-13400F is the better all-around CPU here. It gives you a 304.4% average FPS lead across 50 shared CPU game tests in our data, 1058.8% 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, Core i5-13400F is the better pick. According to our tests, it delivers 304.4% 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, Core i5-13400F is the stronger fit. You are getting 1058.8% better PassMark, backed by 10 cores and 16 threads.

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

Core i5-13400F is the better buy right now. Core i5-13400F comes in $33 cheaper on MSRP at $196 MSRP versus $229 MSRP, and it still gives you a 304.4% average FPS lead across 50 shared CPU game tests in our data. It is also 1253.8% better value on MSRP (127.7 vs 9.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-13400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2008), a healthier platform with LGA1700 and DDR5 instead of LGA775, and more multi-core headroom with 10 cores / 16 threads instead of 4/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core 2 Quad Q9400 vs Core i5-13400F Technical Specifications

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

Core 2 Quad Q9400

The Core 2 Quad Q9400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,160 points. Launch price was $249.

Core i5-13400F

The Core i5-13400F is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5, DDR4. Passmark benchmark score: 25,029 points. Launch price was $196.

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Processing Power

The Core 2 Quad Q9400 packs 4 cores / 4 threads, while the Core i5-13400F offers 10 cores / 16 threads — the Core i5-13400F has 6 more cores. Boost clocks reach 2.67 GHz on the Core 2 Quad Q9400 versus 4.6 GHz on the Core i5-13400F — a 53.1% clock advantage for the Core i5-13400F (base: 2.66 GHz vs 2.5 GHz). The Core 2 Quad Q9400 uses the Yorkfield (2007−2009) architecture (45 nm), while the Core i5-13400F uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Core 2 Quad Q9400 scores 2,160 against the Core i5-13400F's 25,029 — a 168.2% lead for the Core i5-13400F. L3 cache: 0 kB on the Core 2 Quad Q9400 vs 20 MB (total) on the Core i5-13400F.

Feature	Core 2 Quad Q9400	Core i5-13400F
Cores / Threads	4 / 4	10 / 16+150%
Boost Clock	2.67 GHz	4.6 GHz+72%
Base Clock	2.66 GHz+6%	2.5 GHz
L3 Cache	0 kB	20 MB (total)
L2 Cache	6 MB (total)+380%	1.25 MB (per core)
Process	45 nm	Intel 7 nm-84%
Architecture	Yorkfield (2007−2009)	Raptor Lake-S (2023−2024)
PassMark	2,160	25,029+1059%
Cinebench R23 Multi	—	16,211
Geekbench 6 Single	—	2,407
Geekbench 6 Multi	—	11,408

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Memory & Platform

The Core 2 Quad Q9400 uses the LGA775 socket (PCIe 1.1), while the Core i5-13400F uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core 2 Quad Q9400 versus DDR5-4800, DDR4-3200 on the Core i5-13400F — the Core i5-13400F supports 350.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13400F supports up to 192 GB of RAM compared to 8 GB — 2300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Quad Q9400) vs 20 (Core i5-13400F) — the Core i5-13400F offers 20 more lanes for additional GPUs or NVMe drives.

Feature	Core 2 Quad Q9400	Core i5-13400F
Socket	LGA775	LGA1700
PCIe Generation	PCIe 1.1	PCIe 5.0+355%
Max RAM Speed	DDR3-1066	DDR5-4800, DDR4-3200+350%
Max RAM Capacity	8 GB	192 GB+2300%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	20

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Quad Q9400) vs VT-x, VT-d (Core i5-13400F). Primary use case: Core 2 Quad Q9400 targets Desktop, Core i5-13400F targets Gaming. Direct competitor: Core i5-13400F rivals Ryzen 5 7600.

Feature	Core 2 Quad Q9400	Core i5-13400F
Integrated GPU	No	No
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x	VT-x, VT-d
Target Use	Desktop	Gaming

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Value Analysis

At launch, the Core 2 Quad Q9400 was priced at $229, while the Core i5-13400F came in at $196. On launch pricing ($229 vs $196), Core i5-13400F was $33 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Quad Q9400 delivers 9.4 pts/$ vs 127.7 pts/$ for the Core i5-13400F — making the Core i5-13400F the 172.5% better value option.

Feature	Core 2 Quad Q9400	Core i5-13400F
MSRP	$229	$196-14%
Performance per Dollar	9.4	127.7+1259%
Release Date	2008	2023

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