Atom x7-Z8750 vs Pentium U5400

Intel

Atom x7-Z8750

4 Cores4 Thrd2 WWMax: 2.56 GHz2016
Similar parts
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VS
Intel

Pentium U5400

2 Cores2 Thrd18 WWMax: 1.2 GHz2010
Similar parts
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Atom x7-Z8750 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.

Atom x7-Z8750 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.

Atom x7-Z8750 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.

Atom x7-Z8750

2016

Why buy it

  • Draws 2W instead of 18W, a 16W reduction.

Trade-offs

  • Fewer obvious downsides in this matchup outside of normal market pricing swings.

Pentium U5400

2010

Why buy it

  • 700% more PCIe lanes (16 vs 2) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark (1,286 vs 1,294).
  • Launch MSRP is still $289 MSRP, while Atom x7-Z8750 mostly shows up through inconsistent older-market listings.
  • 800% higher power demand at 18W vs 2W.

Quick Answers

So, is Atom x7-Z8750 better than Pentium U5400?
Yes. Atom x7-Z8750 is the better all-around CPU here. It gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data, 0.6% 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, Atom x7-Z8750 is the better pick. According to our tests, it delivers 1.8% 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, Atom x7-Z8750 is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Atom x7-Z8750 is the easy recommendation for a fresh desktop build. Atom x7-Z8750 comes in at an unclear MSRP at unclear MSRP versus $289 MSRP, and it still gives you a 1.8% 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 1.8% in the shared gaming data.
Which one is more future-proof for 2026 and beyond?
Atom x7-Z8750 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2010) and more multi-core headroom with 4 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.

Atom x7-Z8750 vs Pentium U5400 Technical Specifications

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

Intel

Atom x7-Z8750

The Atom x7-Z8750 is manufactured by Intel. It was released in 1 April 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.56 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,294 points. Launch price was $37.

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 Atom x7-Z8750 packs 4 cores / 4 threads, while the Pentium U5400 offers 2 cores / 2 threads — the Atom x7-Z8750 has 2 more cores. Boost clocks reach 2.56 GHz on the Atom x7-Z8750 versus 1.2 GHz on the Pentium U5400 — a 72.3% clock advantage for the Atom x7-Z8750 (base: 1.6 GHz vs 1.2 GHz). The Atom x7-Z8750 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Pentium U5400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Atom x7-Z8750 scores 1,294 against the Pentium U5400's 1,286 — a 0.6% lead for the Atom x7-Z8750. L3 cache: 0 kB on the Atom x7-Z8750 vs 3 MB (total) on the Pentium U5400.

FeatureAtom x7-Z8750Pentium U5400
Cores / Threads
4 / 4+100%
2 / 2
Boost Clock
2.56 GHz+113%
1.2 GHz
Base Clock
1.6 GHz+33%
1.2 GHz
L3 Cache
0 kB
3 MB (total)
L2 Cache
2 MB
256K (per core)+12700%
Process
14 nm-56%
32 nm
Architecture
Cherry Trail (2015−2016)
Arrandale (2010−2011)
PassMark
1,294
1,286
Geekbench 6 Single
170
Geekbench 6 Multi
300
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Memory & Platform

The Atom x7-Z8750 uses the UTFCBGA1380 socket (PCIe 3.0), while the Pentium U5400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1600 on the Atom x7-Z8750 versus DDR3-800 on the Pentium U5400 — the Atom x7-Z8750 supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 2 (Atom x7-Z8750) vs 16 (Pentium U5400) — the Pentium U5400 offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom x7-Z8750) and HM55 (Pentium U5400).

FeatureAtom x7-Z8750Pentium U5400
Socket
UTFCBGA1380
BGA1288
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
Max RAM Speed
LPDDR3-1600+100%
DDR3-800
Max RAM Capacity
8 GB
8 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
2
16+700%
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Advanced Features

Virtualization: not specified (Atom x7-Z8750) / VT-x (Pentium U5400). Both include integrated graphics Intel HD Graphics (Cherry Trail) (Atom x7-Z8750) and Intel HD Graphics (Ironlake) (Pentium U5400) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Pentium U5400 targets Legacy Budget Laptop.

FeatureAtom x7-Z8750Pentium U5400
Integrated GPU
Yes
Yes
IGPU Model
Intel HD Graphics (Cherry Trail)
Intel HD Graphics (Ironlake)
Unlocked
No
AVX-512
No
Virtualization
VT-x
Target Use
Legacy Budget Laptop