Core i3-4012Y vs Pentium U5400

Intel

Core i3-4012Y

2 Cores4 Thrd512 WWMax: 1.5 GHz2013
Similar parts
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VS
Intel

Pentium U5400

2 Cores2 Thrd18 WWMax: 1.2 GHz2010
Similar parts
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Core i3-4012Y vs Pentium U5400 Performance Spectrum

About PassMark

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 i3-4012Y 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 i3-4012Y 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 i3-4012Y

2013

Why buy it

  • +185.3% 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.
  • 33.3% more PCIe lanes (16 vs 12) for storage and expansion-heavy builds.

Trade-offs

  • Lower Geekbench single-core performance for gaming (170 vs 485).
  • Lower Geekbench multi-core (300 vs 988).
  • Launch MSRP is still $289 MSRP, while Core i3-4012Y mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Core i3-4012Y better than Pentium U5400?
Yes. Core i3-4012Y is the better all-around CPU here. It gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data, 229.3% better Geekbench multi-core, 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 i3-4012Y is the better pick. According to our tests, it delivers 0.3% 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 i3-4012Y is the stronger fit. You are getting 229.3% better Geekbench multi-core, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i3-4012Y is the easy recommendation for a fresh desktop build. Core i3-4012Y comes in at an unclear MSRP at unclear MSRP versus $289 MSRP, and it still gives you a 0.3% 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.
Which one is more future-proof for 2026 and beyond?
Core i3-4012Y 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 i3-4012Y vs Pentium U5400 Technical Specifications

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

Intel

Core i3-4012Y

The Core i3-4012Y is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 11.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,278 points. Launch price was $69.

Intel

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.

Processing Power

The Core i3-4012Y packs 2 cores / 4 threads, matching the Pentium U5400's 2 cores. Boost clocks reach 1.5 GHz on the Core i3-4012Y versus 1.2 GHz on the Pentium U5400 — a 22.2% clock advantage for the Core i3-4012Y (base: 1.5 GHz vs 1.2 GHz). The Core i3-4012Y uses the Haswell (2013−2015) architecture (22 nm), while the Pentium U5400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Core i3-4012Y scores 1,278 against the Pentium U5400's 1,286 — a 0.6% lead for the Pentium U5400. Geekbench 6 single-core — the metric most relevant to gaming — records 485 vs 170, a 96.2% lead for the Core i3-4012Y that directly translates to higher frame rates. Multi-core Geekbench: 988 vs 300 (106.8% advantage for the Core i3-4012Y). L3 cache: 3 MB on the Core i3-4012Y vs 3 MB (total) on the Pentium U5400.

FeatureCore i3-4012YPentium U5400
Cores / Threads
2 / 4
2 / 2
Boost Clock
1.5 GHz+25%
1.2 GHz
Base Clock
1.5 GHz+25%
1.2 GHz
L3 Cache
3 MB
3 MB (total)
L2 Cache
512 kB+100%
256K (per core)
Process
22 nm-31%
32 nm
Architecture
Haswell (2013−2015)
Arrandale (2010−2011)
PassMark
1,278
1,286
Geekbench 6 Single
485+185%
170
Geekbench 6 Multi
988+229%
300
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Memory & Platform

The Core i3-4012Y uses the FCBGA1168 socket (PCIe 3.0), while the Pentium U5400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 / LPDDR3-1600 on the Core i3-4012Y versus DDR3-800 on the Pentium U5400 — the Core i3-4012Y supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-4012Y supports up to 16 GB of RAM compared to 8 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i3-4012Y) vs 16 (Pentium U5400) — the Pentium U5400 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM86,HM87,QM87 (Core i3-4012Y) and HM55 (Pentium U5400).

FeatureCore i3-4012YPentium U5400
Socket
FCBGA1168
BGA1288
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
Max RAM Speed
DDR3L-1600 / LPDDR3-1600+100%
DDR3-800
Max RAM Capacity
16 GB+100%
8 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
12
16+33%
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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x / EPT (Core i3-4012Y) vs VT-x (Pentium U5400). Both include integrated graphics Intel HD Graphics 4200 (Core i3-4012Y) and Intel HD Graphics (Ironlake) (Pentium U5400) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-4012Y targets Low Power, Pentium U5400 targets Legacy Budget Laptop.

FeatureCore i3-4012YPentium U5400
Integrated GPU
Yes
Yes
IGPU Model
Intel HD Graphics 4200
Intel HD Graphics (Ironlake)
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x / EPT
VT-x
Target Use
Low Power
Legacy Budget Laptop