Core i3-3227U 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.

Core i3-3227U 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.

Core i3-3227U 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.

Core i3-3227U

2013

Why buy it

✅+135.3% higher Geekbench single-core performance for gaming and desktop responsiveness.

Trade-offs

❌2744.4% higher power demand at 512W vs 18W.

Pentium U5400

2010

Why buy it

✅Draws 18W instead of 512W, a 494W reduction.

Trade-offs

❌Lower Geekbench single-core performance for gaming (170 vs 400).
❌Lower Geekbench multi-core (300 vs 900).
❌Launch MSRP is still $289 MSRP, while Core i3-3227U mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Core i3-3227U better than Pentium U5400?

Yes. Core i3-3227U 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, 200% better Geekbench multi-core, 1.0% higher 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, Core i3-3227U 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, Core i3-3227U is the stronger fit. You are getting 200% better Geekbench multi-core, backed by 2 cores and 4 threads.

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

Core i3-3227U is the easy recommendation for a fresh desktop build. Core i3-3227U comes in at an unclear MSRP at unclear MSRP versus $289 MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data. Pentium U5400 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 0.1% in the shared gaming data.

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

Core i3-3227U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2010) and more multi-core headroom with 2 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-3227U vs Pentium U5400 Technical Specifications

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

Core i3-3227U

The Core i3-3227U is manufactured by Intel. It was released in 8 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,299 points. Launch price was $225.

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

The Core i3-3227U packs 2 cores / 4 threads, matching the Pentium U5400's 2 cores. Boost clocks reach 1.9 GHz on the Core i3-3227U versus 1.2 GHz on the Pentium U5400 — a 45.2% clock advantage for the Core i3-3227U (base: 1.9 GHz vs 1.2 GHz). The Core i3-3227U uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Pentium U5400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Core i3-3227U scores 1,299 against the Pentium U5400's 1,286 — a 1% lead for the Core i3-3227U. Geekbench 6 single-core — the metric most relevant to gaming — records 400 vs 170, a 80.7% lead for the Core i3-3227U that directly translates to higher frame rates. Multi-core Geekbench: 900 vs 300 (100% advantage for the Core i3-3227U). Both processors carry 3 MB (total) of L3 cache.

Feature	Core i3-3227U	Pentium U5400
Cores / Threads	2 / 4	2 / 2
Boost Clock	1.9 GHz+58%	1.2 GHz
Base Clock	1.9 GHz+58%	1.2 GHz
L3 Cache	3 MB (total)	3 MB (total)
L2 Cache	256K (per core)	256K (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge (2012−2013)	Arrandale (2010−2011)
PassMark	1,299+1%	1,286
Geekbench 6 Single	400+135%	170
Geekbench 6 Multi	900+200%	300

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Memory & Platform

The Core i3-3227U uses the BGA1023 socket (PCIe 3.0), while the Pentium U5400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i3-3227U versus DDR3-800 on the Pentium U5400 — the Core i3-3227U supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-3227U supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM77,HM76 (Core i3-3227U) and HM55 (Pentium U5400).

Feature	Core i3-3227U	Pentium U5400
Socket	BGA1023	BGA1288
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600+100%	DDR3-800
Max RAM Capacity	32 GB+300%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i3-3227U) vs VT-x (Pentium U5400). Both include integrated graphics — Intel HD Graphics 4000 (Core i3-3227U) and Intel HD Graphics (Ironlake) (Pentium U5400) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-3227U targets Legacy Ultrabook, Pentium U5400 targets Legacy Budget Laptop. Direct competitor: Core i3-3227U rivals AMD A6-4455M.

Feature	Core i3-3227U	Pentium U5400
Integrated GPU	Yes	Yes
IGPU Model	Intel HD Graphics 4000	Intel HD Graphics (Ironlake)
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x
Target Use	Legacy Ultrabook	Legacy Budget Laptop