Core 2 Duo T8100 vs Core i5-4260U

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 T8100 vs Core i5-4260U 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 T8100 vs Core i5-4260U: 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 T8100

2008

Why buy it

✅+0.4% higher PassMark.
✅Draws 3W instead of 512W, a 509W reduction.

Trade-offs

❌Launch MSRP is still $209 MSRP, while Core i5-4260U mostly shows up through inconsistent older-market listings.

Core i5-4260U

2014

Why buy it

Trade-offs

❌Lower PassMark (2,311 vs 2,320).
❌16966.7% higher power demand at 512W vs 3W.

Quick Answers

So, is Core 2 Duo T8100 better than Core i5-4260U?

It depends on what you want from the system. For gaming, Core i5-4260U is ahead with a 1.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo T8100 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo T8100 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 T8100 is the better buy right now. Core 2 Duo T8100 comes in at an unclear MSRP at $209 MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark. The compromise is that Core i5-4260U is still the better pure gaming CPU with a 1.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (11.1 vs 0.0 PassMark/$), 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 i5-4260U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2008). That makes it the safer long-term bet.

Core 2 Duo T8100 vs Core i5-4260U Technical Specifications

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

Core 2 Duo T8100

The Core 2 Duo T8100 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 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,320 points. Launch price was $209.

Core i5-4260U

The Core i5-4260U is manufactured by Intel. It was released in 14 April 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.4 GHz, with boost up to 2.7 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,311 points. Launch price was $325.

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Processing Power

The Core 2 Duo T8100 packs 2 cores / 2 threads, matching the Core i5-4260U's 2 cores. Boost clocks reach 2.1 GHz on the Core 2 Duo T8100 versus 2.7 GHz on the Core i5-4260U — a 25% clock advantage for the Core i5-4260U (base: 2.1 GHz vs 1.4 GHz). The Core 2 Duo T8100 uses the Penryn (2008−2011) architecture (45 nm), while the Core i5-4260U uses Haswell (2013−2015) (22 nm). In PassMark, the Core 2 Duo T8100 scores 2,320 against the Core i5-4260U's 2,311 — a 0.4% lead for the Core 2 Duo T8100. L3 cache: 3 MB L2 Cache on the Core 2 Duo T8100 vs 3 MB on the Core i5-4260U.

Feature	Core 2 Duo T8100	Core i5-4260U
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.1 GHz	2.7 GHz+29%
Base Clock	2.1 GHz+50%	1.4 GHz
L3 Cache	3 MB L2 Cache	3 MB
L2 Cache	3 MB+500%	512 kB
Process	45 nm	22 nm-51%
Architecture	Penryn (2008−2011)	Haswell (2013−2015)
PassMark	2,320	2,311
Geekbench 6 Single	380	—
Geekbench 6 Multi	700	—

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Memory & Platform

The Core 2 Duo T8100 uses the PGA478 socket (PCIe 1.1), while the Core i5-4260U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo T8100	Core i5-4260U
Socket	PGA478	FCBGA1168
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
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 2 Duo T8100) / not specified (Core i5-4260U). Primary use case: Core 2 Duo T8100 targets Legacy Laptop. Direct competitor: Core 2 Duo T8100 rivals Core 2 Duo T7250.