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 C3758 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 C3758 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 C3758

2017

Why buy it

✅+265.3% higher Geekbench multi-core.
✅Draws 25W instead of 65W, a 40W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Older platform position on FCBGA1310 with DDR4, 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: +100.7% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on LGA1700 with DDR5 support instead of FCBGA1310 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Atom C3758.

Trade-offs

❌Lower Geekbench multi-core (657 vs 2,400).
❌Launch MSRP is still $174 MSRP, while Atom C3758 mostly shows up through inconsistent older-market listings.
❌160% higher power demand at 65W vs 25W.

Quick Answers

So, is Core i5-12400F better than Atom C3758?

It depends on what you want from the system. For gaming, Core i5-12400F is ahead with a 100.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom C3758 pulls ahead with 265.3% better Geekbench multi-core.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Atom C3758 is the stronger fit. You are getting 265.3% better Geekbench multi-core, backed by 8 cores and 8 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 $174 MSRP versus unclear MSRP, and it still gives you a 100.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Atom C3758 is still stronger for heavier multi-core work with 265.3% better Geekbench multi-core. It is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), 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 2017) and a healthier platform with LGA1700 and DDR5 instead of FCBGA1310. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom C3758 vs Core i5-12400F Technical Specifications

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

Atom C3758

The Atom C3758 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 8 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 16 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 25 Watt. Memory support: DDR4: 2400. Passmark benchmark score: 4,614 points. Launch price was $193.

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.

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Processing Power

The Atom C3758 packs 8 cores / 8 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Atom C3758 has 2 more cores. Boost clocks reach 2.2 GHz on the Atom C3758 versus 4.4 GHz on the Core i5-12400F — a 66.7% clock advantage for the Core i5-12400F (base: 2.2 GHz vs 2.5 GHz). The Atom C3758 uses the Goldmont (2016−2017) architecture (14 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Atom C3758 scores 4,614 against the Core i5-12400F's 19,532 — a 123.6% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 400 vs 1,700, a 123.8% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 2,400 vs 657 (114% advantage for the Atom C3758). L3 cache: 16 MB on the Atom C3758 vs 18 MB (total) on the Core i5-12400F.

Feature	Atom C3758	Core i5-12400F
Cores / Threads	8 / 8+33%	6 / 12
Boost Clock	2.2 GHz	4.4 GHz+100%
Base Clock	2.2 GHz	2.5 GHz+14%
L3 Cache	16 MB	18 MB (total)+13%
L2 Cache	16 MB+1180%	1.25 MB (per core)
Process	14 nm	Intel 7 nm-50%
Architecture	Goldmont (2016−2017)	Alder Lake-S (2022)
PassMark	4,614	19,532+323%
Cinebench R23 Multi	—	12,380
Geekbench 6 Single	400	1,700+325%
Geekbench 6 Multi	2,400+265%	657

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Memory & Platform

The Atom C3758 uses the FCBGA1310 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 DDR4-2400 on the Atom C3758 versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-12400F supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Atom C3758 supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Atom C3758) vs 20 (Core i5-12400F) — the Core i5-12400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Atom C3758) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

Feature	Atom C3758	Core i5-12400F
Socket	FCBGA1310	LGA1700
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400	DDR5-4800, DDR4-3200+100%
Max RAM Capacity	256 GB+100%	128 GB
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	16	20+25%

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Advanced Features

Virtualization support: VT-x, VT-d (Atom C3758) vs VT-x, VT-d, EPT (Core i5-12400F). Primary use case: Atom C3758 targets Server/Embedded, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.