Core Duo T2700 vs Core i3-2100

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 Duo T2700 vs Core i3-2100 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 Duo T2700 vs Core i3-2100: Pros, Cons & Final Verdict

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

Core Duo T2700

2006

Why buy it

✅+0.2% higher PassMark.
✅Draws 2W instead of 65W, a 63W reduction.

Trade-offs

❌Lower PassMark per dollar, at 2.8 vs 15.9 PassMark/$ ($663 MSRP vs $117 MSRP).

Core i3-2100

2011

Why buy it

✅Costs $546 less on MSRP ($117 MSRP vs $663 MSRP).
✅Delivers 465.4% more PassMark for each dollar spent, at 15.9 vs 2.8 PassMark/$ ($117 MSRP vs $663 MSRP).

Trade-offs

❌Lower PassMark (1,856 vs 1,860).
❌3150% higher power demand at 65W vs 2W.

Quick Answers

So, is Core i3-2100 better than Core Duo T2700?

It depends on what you want from the system. For gaming, Core i3-2100 is ahead with a 2.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core Duo T2700 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, Core Duo T2700 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?

Core i3-2100 is the better buy right now. Core i3-2100 comes in $546 cheaper on MSRP at $117 MSRP versus $663 MSRP, and it still gives you a 2.0% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core Duo T2700 is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 465.4% better value on MSRP (15.9 vs 2.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-2100 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2006). That makes it the safer long-term bet.

Core Duo T2700 vs Core i3-2100 Technical Specifications

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

Core Duo T2700

The Core Duo T2700 is manufactured by Intel. It was released in 28 July 2006 (19 years ago). It is based on the Yonah (2005−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.33 GHz, with boost up to 2.33 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: 1,860 points. Launch price was $663.

Core i3-2100

The Core i3-2100 is manufactured by Intel. It was released in 20 February 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,856 points. Launch price was $73.

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Processing Power

The Core Duo T2700 packs 2 cores / 2 threads, matching the Core i3-2100's 2 cores. Boost clocks reach 2.33 GHz on the Core Duo T2700 versus 3.1 GHz on the Core i3-2100 — a 28.4% clock advantage for the Core i3-2100 (base: 2.33 GHz vs 3.1 GHz). The Core Duo T2700 uses the Yonah (2005−2006) architecture (65 nm), while the Core i3-2100 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core Duo T2700 scores 1,860 against the Core i3-2100's 1,856 — a 0.2% lead for the Core Duo T2700. L3 cache: 0 kB on the Core Duo T2700 vs 3 MB (total) on the Core i3-2100.

Feature	Core Duo T2700	Core i3-2100
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.33 GHz	3.1 GHz+33%
Base Clock	2.33 GHz	3.1 GHz+33%
L3 Cache	0 kB	3 MB (total)
L2 Cache	2 MB+700%	256 kB (per core)
Process	65 nm	32 nm-51%
Architecture	Yonah (2005−2006)	Sandy Bridge (2011−2013)
PassMark	1,860	1,856
Geekbench 6 Single	200	—
Geekbench 6 Multi	350	—

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Memory & Platform

The Core Duo T2700 uses the PGA478 socket (PCIe 1.1), while the Core i3-2100 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core Duo T2700	Core i3-2100
Socket	PGA478	LGA1155
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-667	—
Max RAM Capacity	4 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: VT-x (Core Duo T2700) / not specified (Core i3-2100). Primary use case: Core Duo T2700 targets Laptop. Direct competitor: Core Duo T2700 rivals Core 2 Duo T5600.

Feature	Core Duo T2700	Core i3-2100
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x	—
Target Use	Laptop	—

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Value Analysis

At launch, the Core Duo T2700 was priced at $663, while the Core i3-2100 came in at $117. On launch pricing ($663 vs $117), Core i3-2100 was $546 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Duo T2700 delivers 2.8 pts/$ vs 15.9 pts/$ for the Core i3-2100 — making the Core i3-2100 the 139.9% better value option.

Feature	Core Duo T2700	Core i3-2100
MSRP	$663	$117-82%
Performance per Dollar	2.8	15.9+468%
Release Date	2006	2011

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