Core 2 Duo T9500 vs Core 2 Duo T9550

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 T9500 vs Core 2 Duo T9550 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 T9500 vs Core 2 Duo T9550: 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 T9500

2008

Why buy it

Trade-offs

❌Lower PassMark (1,799 vs 1,804).

Core 2 Duo T9550

2009

Why buy it

Trade-offs

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

Quick Answers

So, is Core 2 Duo T9550 better than Core 2 Duo T9500?

Yes. Core 2 Duo T9550 is the better all-around CPU here. It gives you 0.3% 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 2 Duo T9550 has the edge because it leads the single-thread side of this matchup with 2.3% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo T9550 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo T9550 still makes the most sense overall. Core 2 Duo T9550 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.3% higher PassMark.

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

Core 2 Duo T9550 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2008) and more multi-core headroom with 2 cores / 2 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 T9500 vs Core 2 Duo T9550 Technical Specifications

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

Core 2 Duo T9500

The Core 2 Duo T9500 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,799 points. Launch price was $530.

Core 2 Duo T9550

The Core 2 Duo T9550 is manufactured by Intel. It was released in 1 January 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.66 GHz, with boost up to 2.66 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,804 points. Launch price was $316.

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Processing Power

Both the Core 2 Duo T9500 and Core 2 Duo T9550 share an identical 2-core/2-thread configuration. Boost clocks reach 2.6 GHz on the Core 2 Duo T9500 versus 2.66 GHz on the Core 2 Duo T9550 — a 2.3% clock advantage for the Core 2 Duo T9550 (base: 2.6 GHz vs 2.66 GHz). Both are built on the Penryn (2008−2011) architecture using a 45 nm process. In PassMark, the Core 2 Duo T9500 scores 1,799 against the Core 2 Duo T9550's 1,804 — a 0.3% lead for the Core 2 Duo T9550. Both processors carry 6 MB L2 Cache of L3 cache.

Feature	Core 2 Duo T9500	Core 2 Duo T9550
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.6 GHz	2.66 GHz+2%
Base Clock	2.6 GHz	2.66 GHz+2%
L3 Cache	6 MB L2 Cache	6 MB L2 Cache
L2 Cache	6 MB	6 MB
Process	45 nm	45 nm
Architecture	Penryn (2008−2011)	Penryn (2008−2011)
PassMark	1,799	1,804

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Memory & Platform

Both processors use the PGA478 socket with PCIe 1.1.

Feature	Core 2 Duo T9500	Core 2 Duo T9550
Socket	PGA478	PGA478
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	DDR3-1066	—
RAM Channels	2	—
ECC Support	No	—

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Advanced Features

Virtualization: VT-x (Core 2 Duo T9500) / not specified (Core 2 Duo T9550). Primary use case: Core 2 Duo T9500 targets Budget. Direct competitor: Core 2 Duo T9500 rivals Athlon Silver 3050U.