Core 2 Quad Q9650 vs Phenom II X2 N620

Core 2 Quad Q9650 vs Phenom II X2 N620 Performance Spectrum

Core 2 Quad Q9650

4 / 4

2,508

+0.2%

2,503

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 Quad Q9650 vs Phenom II X2 N620 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 Q9650 vs Phenom II X2 N620: 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 Q9650

2008

Why buy it

Trade-offs

❌4650% higher power demand at 95W vs 2W.

Phenom II X2 N620

2010

Why buy it

✅Draws 2W instead of 95W, a 93W reduction.

Trade-offs

❌Lower PassMark (2,503 vs 2,508).

Quick Answers

So, is Core 2 Quad Q9650 better than Phenom II X2 N620?

Yes. Core 2 Quad Q9650 is the better all-around CPU here. It gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data and 0.2% 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 Q9650 is the better pick. According to our tests, it delivers 2.0% 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 Q9650 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads.

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

Core 2 Quad Q9650 still makes the most sense overall. Core 2 Quad Q9650 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data.

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

Phenom II X2 N620 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008). That makes it the safer long-term bet.

Core 2 Quad Q9650 vs Phenom II X2 N620 Technical Specifications

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

Core 2 Quad Q9650

The Core 2 Quad Q9650 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 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): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,508 points. Launch price was $249.

Phenom II X2 N620

The Phenom II X2 N620 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.8 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 2,503 points. Launch price was $149.

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Processing Power

The Core 2 Quad Q9650 packs 4 cores / 4 threads, while the Phenom II X2 N620 offers 2 cores / 2 threads — the Core 2 Quad Q9650 has 2 more cores. Boost clocks reach 3 GHz on the Core 2 Quad Q9650 versus 2.8 GHz on the Phenom II X2 N620 — a 6.9% clock advantage for the Core 2 Quad Q9650. The Core 2 Quad Q9650 uses the Yorkfield (2007−2009) architecture (45 nm), while the Phenom II X2 N620 uses Champlain (2010−2011) (45 nm). In PassMark, the Core 2 Quad Q9650 scores 2,508 against the Phenom II X2 N620's 2,503 — a 0.2% lead for the Core 2 Quad Q9650.

Feature	Core 2 Quad Q9650	Phenom II X2 N620
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	3 GHz+7%	2.8 GHz
Base Clock	3 GHz	—
L3 Cache	0 kB	—
L2 Cache	6 MB (total)+200%	2 MB
Process	45 nm	45 nm
Architecture	Yorkfield (2007−2009)	Champlain (2010−2011)
PassMark	2,508	2,503

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Memory & Platform

The Core 2 Quad Q9650 uses the LGA775 socket (PCIe 1.1), while the Phenom II X2 N620 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.