Celeron M U3400 vs Core i7-680UM

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 M U3400 vs Core i7-680UM 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 M U3400 vs Core i7-680UM: Pros, Cons & Final Verdict

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

Celeron M U3400

2010

Why buy it

✅+0.8% higher PassMark.

Trade-offs

❌Smaller total L3 cache (2 MB vs 4 MB).
❌Launch MSRP is still $86 MSRP, while Core i7-680UM mostly shows up through inconsistent older-market listings.
❌2744.4% higher power demand at 512W vs 18W.

Core i7-680UM

2010

Why buy it

✅+100% larger total L3 cache (4 MB vs 2 MB).
✅Draws 18W instead of 512W, a 494W reduction.

Trade-offs

❌Lower PassMark (1,196 vs 1,205).

Quick Answers

So, is Celeron M U3400 better than Core i7-680UM?

It depends on what you want from the system. For gaming, Core i7-680UM is ahead with a 0.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron M U3400 pulls ahead with 0.8% better PassMark. Core i7-680UM also has the bigger cache pool with 100% larger total L3 cache (4 MB vs 2 MB).

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

For streaming, content creation, and heavier multitasking, Celeron M U3400 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 M U3400 is the better buy right now. Celeron M U3400 comes in at an unclear MSRP at $86 MSRP versus unclear MSRP, and it still gives you 0.8% better PassMark. The compromise is that Core i7-680UM is still the better pure gaming CPU with a 0.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (14.0 vs 0.0 PassMark/$), 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 i7-680UM is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Celeron M U3400 vs Core i7-680UM Technical Specifications

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

Celeron M U3400

The Celeron M U3400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.06 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 512 kB + 2 MB. Memory support: DDR3. Passmark benchmark score: 1,205 points. Launch price was $69.

Core i7-680UM

The Core i7-680UM is manufactured by Intel. It was released in 26 September 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.46 GHz, with boost up to 2.53 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,196 points. Launch price was $317.

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Processing Power

The Celeron M U3400 packs 2 cores / 2 threads, matching the Core i7-680UM's 2 cores. Boost clocks reach 1.06 GHz on the Celeron M U3400 versus 2.53 GHz on the Core i7-680UM — a 81.9% clock advantage for the Core i7-680UM. Both are built on the Arrandale (2010−2011) architecture using a 32 nm process. In PassMark, the Celeron M U3400 scores 1,205 against the Core i7-680UM's 1,196 — a 0.7% lead for the Celeron M U3400. L3 cache: 2 MB on the Celeron M U3400 vs 4 MB (total) on the Core i7-680UM.

Feature	Celeron M U3400	Core i7-680UM
Cores / Threads	2 / 2	2 / 4
Boost Clock	1.06 GHz	2.53 GHz+139%
Base Clock	—	1.46 GHz
L3 Cache	2 MB	4 MB (total)+100%
L2 Cache	512 kB+100%	256 kB (per core)
Process	32 nm	32 nm
Architecture	Arrandale (2010−2011)	Arrandale (2010−2011)
PassMark	1,205	1,196