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 N550 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 N550 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 N550

2010

Why buy it

✅Draws 9W instead of 65W, a 56W reduction.
✅Integrated graphics onboard with Intel GMA 3150, 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 (1,435 vs 19,532).
❌Older platform position on FCBGA559, 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: +480.1% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on LGA1700 with DDR5 support instead of FCBGA559 and older memory support.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Atom N550.

Trade-offs

❌Launch MSRP is still $174 MSRP, while Atom N550 mostly shows up through inconsistent older-market listings.
❌622.2% higher power demand at 65W vs 9W.
❌No integrated graphics, while Atom N550 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-12400F better than Atom N550?

Yes. Core i5-12400F is the better all-around CPU here. It gives you a 480.1% average FPS lead across 50 shared CPU game tests in our data, 1261.1% 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 480.1% 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 i5-12400F is the stronger fit. You are getting 1261.1% 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 $174 MSRP versus unclear MSRP, and it still gives you a 480.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), 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 2010), a healthier platform with LGA1700 and DDR5 instead of FCBGA559, and more multi-core headroom with 6 cores / 12 threads instead of 2/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom N550 vs Core i5-12400F Technical Specifications

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

Atom N550

The Atom N550 is manufactured by Intel. It was released in 23 August 2010 (15 years ago). It is based on the Pineview (2009−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 8.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,435 points. Launch price was $86.

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 N550 packs 2 cores / 4 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 4 more cores. Boost clocks reach 1.5 GHz on the Atom N550 versus 4.4 GHz on the Core i5-12400F — a 98.3% clock advantage for the Core i5-12400F (base: 1.5 GHz vs 2.5 GHz). The Atom N550 uses the Pineview (2009−2011) architecture (45 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Atom N550 scores 1,435 against the Core i5-12400F's 19,532 — a 172.6% lead for the Core i5-12400F. L3 cache: 0 kB on the Atom N550 vs 18 MB (total) on the Core i5-12400F.

Feature	Atom N550	Core i5-12400F
Cores / Threads	2 / 4	6 / 12+200%
Boost Clock	1.5 GHz	4.4 GHz+193%
Base Clock	1.5 GHz	2.5 GHz+67%
L3 Cache	0 kB	18 MB (total)
L2 Cache	512K (per core)+40860%	1.25 MB (per core)
Process	45 nm	Intel 7 nm-84%
Architecture	Pineview (2009−2011)	Alder Lake-S (2022)
PassMark	1,435	19,532+1261%
Cinebench R23 Multi	—	12,380
Geekbench 6 Single	—	1,700
Geekbench 6 Multi	—	657

🧠

Memory & Platform

The Atom N550 uses the FCBGA559 socket (PCIe 2.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-667 on the Atom N550 versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-12400F supports 619.6% 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 2 GB — 6300% more capacity for professional workloads. Memory channels: 1 (Atom N550) vs 2 (Core i5-12400F). PCIe lanes: 0 (Atom N550) vs 20 (Core i5-12400F) — the Core i5-12400F offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel NM10 (Atom N550) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

Feature	Atom N550	Core i5-12400F
Socket	FCBGA559	LGA1700
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-667	DDR5-4800, DDR4-3200+620%
Max RAM Capacity	2 GB	128 GB+6300%
RAM Channels	1	2+100%
ECC Support	No	No
PCIe Lanes	0	20

🔧

Advanced Features

Virtualization: not specified (Atom N550) / VT-x, VT-d, EPT (Core i5-12400F). The Atom N550 includes integrated graphics (Intel GMA 3150), 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.