Celeron Dual-Core T1500 vs Core Duo T2500

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 T1500 vs Core Duo T2500 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 T1500 vs Core Duo T2500: 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 T1500

2008

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌25500% higher power demand at 512W vs 2W.

Core Duo T2500

2006

Why buy it

✅Draws 2W instead of 512W, a 510W reduction.

Trade-offs

❌Lower PassMark (1,621 vs 1,625).

Quick Answers

So, is Celeron Dual-Core T1500 better than Core Duo T2500?

It depends on what you want from the system. For gaming, Core Duo T2500 is ahead with a 0.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron Dual-Core T1500 pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Celeron Dual-Core T1500 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Celeron Dual-Core T1500 still makes the most sense overall. Celeron Dual-Core T1500 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark.

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

Celeron Dual-Core T1500 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2006) 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.

Celeron Dual-Core T1500 vs Core Duo T2500 Technical Specifications

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

Celeron Dual-Core T1500

The Celeron Dual-Core T1500 is manufactured by Intel. It was released in 2007-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Max frequency: 1.87 GHz. L2 cache: 512 kB. Built on 65 nm process technology. Thermal design power (TDP): 512 kB. Passmark benchmark score: 1,625 points. Launch price was $69.

Core Duo T2500

The Core Duo T2500 is manufactured by Intel. It was released in Janeiro 2006 (19 years ago). It is based on the Yonah (2005−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 31 Watt. Memory support: DDR1. Passmark benchmark score: 1,621 points. Launch price was $120.

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Processing Power

Both the Celeron Dual-Core T1500 and Core Duo T2500 share an identical 2-core/2-thread configuration. Boost clocks reach 1.87 GHz on the Celeron Dual-Core T1500 versus 2 GHz on the Core Duo T2500 — a 6.7% clock advantage for the Core Duo T2500. The Celeron Dual-Core T1500 uses the Merom (2006−2008) architecture (65 nm), while the Core Duo T2500 uses Yonah (2005−2006) (65 nm). In PassMark, the Celeron Dual-Core T1500 scores 1,625 against the Core Duo T2500's 1,621 — a 0.2% lead for the Celeron Dual-Core T1500.

Feature	Celeron Dual-Core T1500	Core Duo T2500
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.87 GHz	2 GHz+7%
Base Clock	—	2 GHz
L3 Cache	—	0 kB
L2 Cache	512 kB	2 MB+300%
Process	65 nm	65 nm
Architecture	Merom (2006−2008)	Yonah (2005−2006)
PassMark	1,625	1,621

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Memory & Platform

Both support up to DDR2-667 memory speed. Both support up to 4 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes.

Feature	Celeron Dual-Core T1500	Core Duo T2500
Socket	—	PGA478
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	DDR2-667	DDR2-667
Max RAM Capacity	4 GB	4 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	0

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Advanced Features

Neither processor supports overclocking. Virtualization support: No (Celeron Dual-Core T1500) vs VT-x (Core Duo T2500). Primary use case: Celeron Dual-Core T1500 targets Budget, Core Duo T2500 targets Mobile. Direct competitor: Celeron Dual-Core T1500 rivals Pentium T2390.