Celeron Dual-Core T3500 vs Pentium U5400

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 Dual-Core T3500 vs Pentium U5400 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 Dual-Core T3500 vs Pentium U5400: Pros, Cons & Final Verdict

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

Celeron Dual-Core T3500

2010

Why buy it

✅Costs $209 less on MSRP ($80 MSRP vs $289 MSRP).
✅Delivers 258.2% more PassMark for each dollar spent, at 15.9 vs 4.4 PassMark/$ ($80 MSRP vs $289 MSRP).
✅Draws 1W instead of 18W, a 17W reduction.

Trade-offs

❌Lower PassMark (1,275 vs 1,286).
❌No integrated graphics, while Pentium U5400 can still boot and troubleshoot without a discrete GPU.

Pentium U5400

2010

Why buy it

✅+0.9% higher PassMark.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics (Ironlake), while Celeron Dual-Core T3500 needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 4.4 vs 15.9 PassMark/$ ($289 MSRP vs $80 MSRP).
❌1700% higher power demand at 18W vs 1W.

Quick Answers

So, is Celeron Dual-Core T3500 better than Pentium U5400?

It depends on what you want from the system. For gaming, Celeron Dual-Core T3500 is ahead with a 0.4% average FPS lead across 17 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium U5400 pulls ahead with 0.9% better PassMark.

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

For streaming, content creation, and heavier multitasking, Pentium U5400 is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 2 threads.

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

Celeron Dual-Core T3500 is the better buy right now. Celeron Dual-Core T3500 comes in $209 cheaper on MSRP at $80 MSRP versus $289 MSRP, and it still gives you a 0.4% average FPS lead across 17 shared CPU game tests in our data. The compromise is that Pentium U5400 is still stronger for heavier multi-core work with 0.9% better PassMark. It is also 258.2% better value on MSRP (15.9 vs 4.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium U5400 makes more sense long term for 2026 and beyond. You are getting 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 Dual-Core T3500 vs Pentium U5400 Technical Specifications

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

Celeron Dual-Core T3500

The Celeron Dual-Core T3500 is manufactured by Intel. It was released in 26 September 2010 (15 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.1 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,275 points. Launch price was $80.

Pentium U5400

The Pentium U5400 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. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,286 points. Launch price was $69.

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Processing Power

Both the Celeron Dual-Core T3500 and Pentium U5400 share an identical 2-core/2-thread configuration. Boost clocks reach 2.1 GHz on the Celeron Dual-Core T3500 versus 1.2 GHz on the Pentium U5400 — a 54.5% clock advantage for the Celeron Dual-Core T3500. The Celeron Dual-Core T3500 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium U5400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Celeron Dual-Core T3500 scores 1,275 against the Pentium U5400's 1,286 — a 0.9% lead for the Pentium U5400.

Feature	Celeron Dual-Core T3500	Pentium U5400
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.1 GHz+75%	1.2 GHz
Base Clock	—	1.2 GHz
L3 Cache	—	3 MB (total)
L2 Cache	1 MB	256K (per core)+25500%
Process	45 nm	32 nm-29%
Architecture	Penryn (2008−2011)	Arrandale (2010−2011)
PassMark	1,275	1,286
Geekbench 6 Single	—	170
Geekbench 6 Multi	—	300

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Memory & Platform

The Celeron Dual-Core T3500 uses the P socket (PCIe 1.1), while the Pentium U5400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to 800 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Celeron Dual-Core T3500) vs 16 (Pentium U5400) — the Pentium U5400 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GL40,GM45,GM47 (Celeron Dual-Core T3500) and HM55 (Pentium U5400).

Feature	Celeron Dual-Core T3500	Pentium U5400
Socket	P	BGA1288
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	800	DDR3-800
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: false (Celeron Dual-Core T3500) vs VT-x (Pentium U5400). The Pentium U5400 includes integrated graphics (Intel HD Graphics (Ironlake)), while the Celeron Dual-Core T3500 requires a dedicated GPU. Primary use case: Celeron Dual-Core T3500 targets Budget, Pentium U5400 targets Legacy Budget Laptop. Direct competitor: Celeron Dual-Core T3500 rivals Pentium T4400.

Feature	Celeron Dual-Core T3500	Pentium U5400
Integrated GPU	No	Yes
IGPU Model	—	Intel HD Graphics (Ironlake)
Unlocked	No	No
AVX-512	No	No
Virtualization	false	VT-x
Target Use	Budget	Legacy Budget Laptop

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Value Analysis

At launch, the Celeron Dual-Core T3500 was priced at $80, while the Pentium U5400 came in at $289. On launch pricing ($80 vs $289), Celeron Dual-Core T3500 was $209 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron Dual-Core T3500 delivers 15.9 pts/$ vs 4.4 pts/$ for the Pentium U5400 — making the Celeron Dual-Core T3500 the 112.7% better value option.

Feature	Celeron Dual-Core T3500	Pentium U5400
MSRP	$80-72%	$289
Performance per Dollar	15.9+261%	4.4
Release Date	2010	2010

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