Celeron N2840 vs Core 2 Duo U7700

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 N2840 vs Core 2 Duo U7700 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 N2840 vs Core 2 Duo U7700: Pros, Cons & Final Verdict

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

Celeron N2840

2014

Why buy it

✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics (Bay Trail), while Core 2 Duo U7700 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,331 vs 1,335).
❌250% higher power demand at 7W vs 2W.

Core 2 Duo U7700

2006

Why buy it

✅+0.3% higher PassMark.
✅Draws 2W instead of 7W, a 5W reduction.

Trade-offs

❌Launch MSRP is still $262 MSRP, while Celeron N2840 mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Celeron N2840 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core 2 Duo U7700 better than Celeron N2840?

It depends on what you want from the system. For gaming, Celeron N2840 is ahead with a 0.4% average FPS lead across 35 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo U7700 pulls ahead with 0.3% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo U7700 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo U7700 is the better buy right now. Core 2 Duo U7700 comes in at an unclear MSRP at $262 MSRP versus unclear MSRP, and it still gives you 0.3% better PassMark. The compromise is that Celeron N2840 is still the better pure gaming CPU with a 0.4% average FPS lead across 35 shared CPU game tests in our data. It is also 100.0% better value on MSRP (5.1 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron N2840 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2006). That makes it the safer long-term bet.

Celeron N2840 vs Core 2 Duo U7700 Technical Specifications

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

Celeron N2840

The Celeron N2840 is manufactured by Intel. It was released in 2007-01-01. It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 2.16 GHz, with boost up to 2.58 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,331 points. Launch price was $69.

Core 2 Duo U7700

The Core 2 Duo U7700 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom-2048 (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.33 GHz, with boost up to 1.33 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: P. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,335 points. Launch price was $249.

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Processing Power

Both the Celeron N2840 and Core 2 Duo U7700 share an identical 2-core/2-thread configuration. Boost clocks reach 2.58 GHz on the Celeron N2840 versus 1.33 GHz on the Core 2 Duo U7700 — a 63.9% clock advantage for the Celeron N2840 (base: 2.16 GHz vs 1.33 GHz). The Celeron N2840 uses the Bay Trail-M (2013−2014) architecture (22 nm), while the Core 2 Duo U7700 uses Merom-2048 (2006−2008) (65 nm). In PassMark, the Celeron N2840 scores 1,331 against the Core 2 Duo U7700's 1,335 — a 0.3% lead for the Core 2 Duo U7700. Both processors carry 0 kB of L3 cache.

Feature	Celeron N2840	Core 2 Duo U7700
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.58 GHz+94%	1.33 GHz
Base Clock	2.16 GHz+62%	1.33 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512K (per core)+25500%	2 MB
Process	22 nm-66%	65 nm
Architecture	Bay Trail-M (2013−2014)	Merom-2048 (2006−2008)
PassMark	1,331	1,335
Geekbench 6 Single	230	—
Geekbench 6 Multi	430	—

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Memory & Platform

The Celeron N2840 uses the FCBGA1170 socket (PCIe 2.0), while the Core 2 Duo U7700 uses P (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Celeron N2840	Core 2 Duo U7700
Socket	FCBGA1170	P
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3L-1333	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	4	—

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Advanced Features

Virtualization: VT-x (Celeron N2840) / not specified (Core 2 Duo U7700). The Celeron N2840 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Core 2 Duo U7700 requires a dedicated GPU. Primary use case: Celeron N2840 targets Netbook. Direct competitor: Celeron N2840 rivals AMD A6-6310.