Atom x5-Z8550 vs Core i5-12400F

Intel

Atom x5-Z8550

4 Cores4 ThrdWMax: 2.4 GHz2016
Similar parts
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VS
Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022
Core family
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Atom x5-Z8550 vs Core i5-12400F 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 x5-Z8550 vs Core i5-12400F 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 x5-Z8550 vs Core i5-12400F: Pros, Cons & Final Verdict

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

Atom x5-Z8550

2016

Why buy it

  • Integrated graphics onboard with Intel HD Graphics (Cherry Trail), while Core i5-12400F needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
  • Lower PassMark (1,143 vs 19,532).
  • Older platform position on UTFCBGA1380, while Core i5-12400F moves to LGA1700 and DDR5.
  • No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Why buy it

  • Better for gaming: +616.0% higher average FPS across 50 shared CPU benchmark tests.
  • Newer platform on LGA1700 with DDR5 support instead of UTFCBGA1380 and older memory support.
  • 900% more PCIe lanes (20 vs 2) for storage and expansion-heavy builds.
  • Includes a boxed cooler (Yes), unlike Atom x5-Z8550.

Trade-offs

  • Launch MSRP is still $174 MSRP, while Atom x5-Z8550 mostly shows up through inconsistent older-market listings.
  • No integrated graphics, while Atom x5-Z8550 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-12400F better than Atom x5-Z8550?
Yes. Core i5-12400F is the better all-around CPU here. It gives you a 616.0% average FPS lead across 50 shared CPU game tests in our data, 1608.8% 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, Core i5-12400F is the better pick. According to our tests, it delivers 616.0% 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 i5-12400F is the stronger fit. You are getting 1608.8% better PassMark, backed by 6 cores and 12 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-12400F is the better buy right now. Core i5-12400F comes in at an unclear MSRP at $174 MSRP versus unclear MSRP, and it still gives you a 616.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-12400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2016), a healthier platform with LGA1700 and DDR5 instead of UTFCBGA1380, and more multi-core headroom with 6 cores / 12 threads instead of 4/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x5-Z8550 vs Core i5-12400F Technical Specifications

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

Intel

Atom x5-Z8550

The Atom x5-Z8550 is manufactured by Intel. It was released in 8 February 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,143 points. Launch price was $69.

Intel

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

Processing Power

The Atom x5-Z8550 packs 4 cores / 4 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 2.4 GHz on the Atom x5-Z8550 versus 4.4 GHz on the Core i5-12400F — a 58.8% clock advantage for the Core i5-12400F (base: 1.44 GHz vs 2.5 GHz). The Atom x5-Z8550 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Atom x5-Z8550 scores 1,143 against the Core i5-12400F's 19,532 — a 177.9% lead for the Core i5-12400F. L3 cache: 0 kB on the Atom x5-Z8550 vs 18 MB (total) on the Core i5-12400F.

FeatureAtom x5-Z8550Core i5-12400F
Cores / Threads
4 / 4
6 / 12+50%
Boost Clock
2.4 GHz
4.4 GHz+83%
Base Clock
1.44 GHz
2.5 GHz+74%
L3 Cache
0 kB
18 MB (total)
L2 Cache
2 MB+60%
1.25 MB (per core)
Process
14 nm
Intel 7 nm-50%
Architecture
Cherry Trail (2015−2016)
Alder Lake-S (2022)
PassMark
1,143
19,532+1609%
Cinebench R23 Multi
12,380
Geekbench 6 Single
1,700
Geekbench 6 Multi
657
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Memory & Platform

The Atom x5-Z8550 uses the UTFCBGA1380 socket (PCIe 3.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1600 on the Atom x5-Z8550 versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-12400F supports 200% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 8 GB 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 2 (Atom x5-Z8550) vs 20 (Core i5-12400F) — the Core i5-12400F offers 18 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom x5-Z8550) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

FeatureAtom x5-Z8550Core i5-12400F
Socket
UTFCBGA1380
LGA1700
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
LPDDR3-1600
DDR5-4800, DDR4-3200+200%
Max RAM Capacity
8 GB
128 GB+1500%
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
2
20+900%
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Advanced Features

Virtualization: not specified (Atom x5-Z8550) / VT-x, VT-d, EPT (Core i5-12400F). The Atom x5-Z8550 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

FeatureAtom x5-Z8550Core i5-12400F
Integrated GPU
Yes
No
IGPU Model
Intel HD Graphics (Cherry Trail)
Virtualization
VT-x, VT-d, EPT
Target Use
Gaming Performance/Value