Core 2 Duo T7800 vs Core i3-6100U

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 T7800 vs Core i3-6100U 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 T7800 vs Core i3-6100U: 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 T7800

2007

Why buy it

✅Better for gaming: +3.0% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 4W instead of 512W, a 508W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i3-6100U

2015

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core 2 Duo T7800 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,631 vs 2,663).
❌12700% higher power demand at 512W vs 4W.

Quick Answers

So, is Core 2 Duo T7800 better than Core i3-6100U?

Yes. Core 2 Duo T7800 is the better all-around CPU here. It gives you a 3.0% average FPS lead across 50 shared CPU game tests in our data and 1.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core 2 Duo T7800 is the better pick. According to our tests, it delivers 3.0% 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 T7800 is the stronger fit. You are getting 1.2% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo T7800 still makes the most sense overall. Core 2 Duo T7800 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.0% average FPS lead across 50 shared CPU game tests in our data.

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

Core i3-6100U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2007). That makes it the safer long-term bet.

Core 2 Duo T7800 vs Core i3-6100U Technical Specifications

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

Core 2 Duo T7800

The Core 2 Duo T7800 is manufactured by Intel. It was released in 18 August 2007 (18 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,663 points. Launch price was $515.

Core i3-6100U

The Core i3-6100U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,631 points. Launch price was $281.

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Processing Power

The Core 2 Duo T7800 packs 2 cores / 2 threads, matching the Core i3-6100U's 2 cores. Boost clocks reach 2.6 GHz on the Core 2 Duo T7800 versus 2.3 GHz on the Core i3-6100U — a 12.2% clock advantage for the Core 2 Duo T7800 (base: 2.6 GHz vs 2.3 GHz). The Core 2 Duo T7800 uses the Merom (2006−2008) architecture (65 nm), while the Core i3-6100U uses Skylake (2015−2016) (14 nm). In PassMark, the Core 2 Duo T7800 scores 2,663 against the Core i3-6100U's 2,631 — a 1.2% lead for the Core 2 Duo T7800. L3 cache: 0 kB on the Core 2 Duo T7800 vs 3 MB on the Core i3-6100U.

Feature	Core 2 Duo T7800	Core i3-6100U
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.6 GHz+13%	2.3 GHz
Base Clock	2.6 GHz+13%	2.3 GHz
L3 Cache	0 kB	3 MB
L2 Cache	4 MB+700%	512 kB
Process	65 nm	14 nm-78%
Architecture	Merom (2006−2008)	Skylake (2015−2016)
PassMark	2,663+1%	2,631

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Memory & Platform

The Core 2 Duo T7800 uses the PGA478 socket (PCIe 1.1), while the Core i3-6100U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo T7800	Core i3-6100U
Socket	PGA478	BGA1356
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-667	—
RAM Channels	2	—
ECC Support	No	—

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Advanced Features

Virtualization: VT-x (Core 2 Duo T7800) / not specified (Core i3-6100U). Primary use case: Core 2 Duo T7800 targets Budget. Direct competitor: Core 2 Duo T7800 rivals Athlon Silver 3050U.