Celeron Dual-Core T3000 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.

Celeron Dual-Core T3000 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.

Celeron Dual-Core T3000 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.

Celeron Dual-Core T3000

2009

Why buy it

✅Draws 1W instead of 6W, a 5W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (1,797 vs 1,804).
❌Launch MSRP is still $80 MSRP, while Core 2 Duo T9550 mostly shows up through inconsistent older-market listings.

Core 2 Duo T9550

2009

Why buy it

Trade-offs

❌500% higher power demand at 6W vs 1W.

Quick Answers

So, is Core 2 Duo T9550 better than Celeron Dual-Core T3000?

Yes. Core 2 Duo T9550 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, 0.4% 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 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 Duo T9550 is the stronger fit. You are getting 0.4% 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 is still the much better call for a fresh build. Core 2 Duo T9550 comes in at an unclear MSRP at unclear MSRP versus $80 MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data. Celeron Dual-Core T3000 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (22.5 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on P.

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 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.

Celeron Dual-Core T3000 vs Core 2 Duo T9550 Technical Specifications

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

Celeron Dual-Core T3000

The Celeron Dual-Core T3000 is manufactured by Intel. It was released in 2007-01-01. It is based on the Penryn-1M (2009) architecture. It features 2 cores and 2 threads. Max frequency: 1.8 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,797 points. Launch price was $69.

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 Celeron Dual-Core T3000 and Core 2 Duo T9550 share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Celeron Dual-Core T3000 versus 2.66 GHz on the Core 2 Duo T9550 — a 38.6% clock advantage for the Core 2 Duo T9550. The Celeron Dual-Core T3000 uses the Penryn-1M (2009) architecture (45 nm), while the Core 2 Duo T9550 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron Dual-Core T3000 scores 1,797 against the Core 2 Duo T9550's 1,804 — a 0.4% lead for the Core 2 Duo T9550.

Feature	Celeron Dual-Core T3000	Core 2 Duo T9550
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.8 GHz	2.66 GHz+48%
Base Clock	—	2.66 GHz
L3 Cache	—	6 MB L2 Cache
L2 Cache	1 MB	6 MB+500%
Process	45 nm	45 nm
Architecture	Penryn-1M (2009)	Penryn (2008−2011)
PassMark	1,797	1,804

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Memory & Platform

The Celeron Dual-Core T3000 uses the P socket (PCIe 1.1), while the Core 2 Duo T9550 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.