Celeron N4000C vs Core 2 Duo T5270

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 N4000C vs Core 2 Duo T5270 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 N4000C vs Core 2 Duo T5270: Pros, Cons & Final Verdict

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

Celeron N4000C

2019

Why buy it

✅+100% larger total L3 cache (4 MB vs 2 MB).

Trade-offs

❌200% higher power demand at 6W vs 2W.

Core 2 Duo T5270

2008

Why buy it

✅Draws 2W instead of 6W, a 4W reduction.

Trade-offs

❌Lower PassMark (1,427 vs 1,430).
❌Smaller total L3 cache (2 MB vs 4 MB).

Quick Answers

So, is Celeron N4000C better than Core 2 Duo T5270?

Yes. Celeron N4000C is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data, 0.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Celeron N4000C is the better pick. According to our tests, it delivers 0.1% 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, Celeron N4000C is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads. It also has the larger cache pool with 100% larger total L3 cache (4 MB vs 2 MB).

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

Celeron N4000C still makes the most sense overall. Celeron N4000C comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data.

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

Celeron N4000C makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2008), 100% larger total L3 cache (4 MB vs 2 MB), and more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron N4000C vs Core 2 Duo T5270 Technical Specifications

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

Celeron N4000C

The Celeron N4000C is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency is 1.1 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB. Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 6 Watt. Memory support: DDR4/LPDDR4 up to 2400 MT/s. Passmark benchmark score: 1,430 points. Launch price was $69.

Core 2 Duo T5270

The Core 2 Duo T5270 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 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,427 points. Launch price was $249.

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Processing Power

Both the Celeron N4000C and Core 2 Duo T5270 share an identical 2-core/2-thread configuration. Boost clocks reach 2.6 GHz on the Celeron N4000C versus 1.4 GHz on the Core 2 Duo T5270 — a 60% clock advantage for the Celeron N4000C (base: 1.1 GHz vs 1.4 GHz). The Core 2 Duo T5270 is built on the Merom-2048 (2006−2008) architecture. In PassMark, the Celeron N4000C scores 1,430 against the Core 2 Duo T5270's 1,427 — a 0.2% lead for the Celeron N4000C. L3 cache: 4 MB on the Celeron N4000C vs 2 MB L2 Cache on the Core 2 Duo T5270.

Feature	Celeron N4000C	Core 2 Duo T5270
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.6 GHz+86%	1.4 GHz
Base Clock	1.1 GHz	1.4 GHz+27%
L3 Cache	4 MB+100%	2 MB L2 Cache
L2 Cache	—	2 MB
Process	14 nm-78%	65 nm
Architecture	—	Merom-2048 (2006−2008)
PassMark	1,430	1,427

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Memory & Platform

The Celeron N4000C uses the FCBGA1090 socket (PCIe 3.0), while the Core 2 Duo T5270 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.