Celeron N2806 vs Core 2 Duo T9900

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 N2806 vs Core 2 Duo T9900 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 N2806 vs Core 2 Duo T9900: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Celeron N2806

2013

Why buy it

✅Draws 4W instead of 35W, a 31W reduction.

Trade-offs

❌Lower PassMark (1,195 vs 1,204).

Core 2 Duo T9900

2009

Why buy it

✅+0.8% higher PassMark.

Trade-offs

❌775% higher power demand at 35W vs 4W.

Quick Answers

So, is Celeron N2806 better than Core 2 Duo T9900?

It depends on what you want from the system. For gaming, Celeron N2806 is ahead with a 1.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo T9900 pulls ahead with 0.8% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo T9900 is the stronger fit. You are getting 0.8% better PassMark, backed by 2 cores and 2 threads.

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

Celeron N2806 still makes the most sense overall. Celeron N2806 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.9% average FPS lead across 50 shared CPU game tests in our data.

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

Celeron N2806 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2009). That makes it the safer long-term bet.

Celeron N2806 vs Core 2 Duo T9900 Technical Specifications

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

Celeron N2806

The Celeron N2806 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,195 points. Launch price was $107.

Core 2 Duo T9900

The Core 2 Duo T9900 is manufactured by Intel. It was released in 2 June 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,204 points. Launch price was $530.

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Processing Power

Both the Celeron N2806 and Core 2 Duo T9900 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Celeron N2806 versus 0.07 GHz on the Core 2 Duo T9900 — a 186.5% clock advantage for the Celeron N2806 (base: 1.6 GHz vs 3.06 GHz). The Celeron N2806 uses the Bay Trail-M (2013−2014) architecture (22 nm), while the Core 2 Duo T9900 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron N2806 scores 1,195 against the Core 2 Duo T9900's 1,204 — a 0.8% lead for the Core 2 Duo T9900. L3 cache: 0 kB on the Celeron N2806 vs 6 MB L2 Cache on the Core 2 Duo T9900.

Feature	Celeron N2806	Core 2 Duo T9900
Cores / Threads	2 / 2	2 / 2
Boost Clock	2 GHz+2757%	0.07 GHz
Base Clock	1.6 GHz	3.06 GHz+91%
L3 Cache	0 kB	6 MB L2 Cache
L2 Cache	512K (per core)+8433%	6 MB (total)
Process	22 nm-51%	45 nm
Architecture	Bay Trail-M (2013−2014)	Penryn (2008−2011)
PassMark	1,195	1,204

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Memory & Platform

The Celeron N2806 uses the FCBGA1170 socket (PCIe 2.0), while the Core 2 Duo T9900 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.