Core 2 Quad Q9400 vs Core i3-5010U

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 i3-5010U 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 i3-5010U: 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

✅Draws 95W instead of 512W, a 417W reduction.

Trade-offs

❌Launch MSRP is still $229 MSRP, while Core i3-5010U mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i3-5010U can still boot and troubleshoot without a discrete GPU.

Core i3-5010U

2015

Why buy it

✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 5500, while Core 2 Quad Q9400 needs a discrete GPU.

Trade-offs

❌Lower PassMark (2,157 vs 2,160).
❌438.9% higher power demand at 512W vs 95W.

Quick Answers

So, is Core 2 Quad Q9400 better than Core i3-5010U?

Yes. Core 2 Quad Q9400 is the better all-around CPU here. It gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data and 0.1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core 2 Quad Q9400 is the better pick. According to our tests, it delivers 1.8% 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 2 Quad Q9400 is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 4 threads.

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

Core 2 Quad Q9400 is the better buy right now. Core 2 Quad Q9400 comes in at an unclear MSRP at $229 MSRP versus unclear MSRP, and it still gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (9.4 vs 0.0 PassMark/$), 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 i3-5010U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2008). That makes it the safer long-term bet.

Core 2 Quad Q9400 vs Core i3-5010U 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 i3-5010U

The Core i3-5010U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,157 points. Launch price was $281.

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Processing Power

The Core 2 Quad Q9400 packs 4 cores / 4 threads, while the Core i3-5010U offers 2 cores / 4 threads — the Core 2 Quad Q9400 has 2 more cores. Boost clocks reach 2.67 GHz on the Core 2 Quad Q9400 versus 2.1 GHz on the Core i3-5010U — a 23.9% clock advantage for the Core 2 Quad Q9400 (base: 2.66 GHz vs 2.1 GHz). The Core 2 Quad Q9400 uses the Yorkfield (2007−2009) architecture (45 nm), while the Core i3-5010U uses Broadwell-U (2015) (14 nm). In PassMark, the Core 2 Quad Q9400 scores 2,160 against the Core i3-5010U's 2,157 — a 0.1% lead for the Core 2 Quad Q9400. L3 cache: 0 kB on the Core 2 Quad Q9400 vs 3 MB (total) on the Core i3-5010U.

Feature	Core 2 Quad Q9400	Core i3-5010U
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2.67 GHz+27%	2.1 GHz
Base Clock	2.66 GHz+27%	2.1 GHz
L3 Cache	0 kB	3 MB (total)
L2 Cache	6 MB (total)	256K (per core)+4167%
Process	45 nm	14 nm-69%
Architecture	Yorkfield (2007−2009)	Broadwell-U (2015)
PassMark	2,160	2,157
Geekbench 6 Single	—	737

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Memory & Platform

The Core 2 Quad Q9400 uses the LGA775 socket (PCIe 1.1), while the Core i3-5010U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core 2 Quad Q9400 versus DDR3L-1600 on the Core i3-5010U — the Core i3-5010U supports 50.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-5010U supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Quad Q9400) vs 12 (Core i3-5010U) — the Core i3-5010U offers 12 more lanes for additional GPUs or NVMe drives.

Feature	Core 2 Quad Q9400	Core i3-5010U
Socket	LGA775	FCBGA1168
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR3-1066	DDR3L-1600+50%
Max RAM Capacity	8 GB	16 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	12

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Quad Q9400) vs VT-x, VT-d, EPT (Core i3-5010U). The Core i3-5010U includes integrated graphics (HD Graphics 5500), while the Core 2 Quad Q9400 requires a dedicated GPU. Primary use case: Core 2 Quad Q9400 targets Desktop, Core i3-5010U targets Mainstream Laptop. Direct competitor: Core i3-5010U rivals A10-8700P.