Core i5-12400F vs Processor U300

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 i5-12400F vs Processor U300 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 i5-12400F vs Processor U300: Pros, Cons & Final Verdict

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

Core i5-12400F

2022

Why buy it

✅Better for gaming: +63.1% higher average FPS across 50 shared CPU benchmark tests.
✅+125% larger total L3 cache (18 MB vs 8 MB).
✅Costs $19 less on MSRP ($174 MSRP vs $193 MSRP).
✅Delivers 143.5% more PassMark for each dollar spent, at 112.3 vs 46.1 PassMark/$ ($174 MSRP vs $193 MSRP).
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌333.3% higher power demand at 65W vs 15W.

Processor U300

2023

Why buy it

✅Draws 15W instead of 65W, a 50W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark (8,897 vs 19,532).
❌Smaller total L3 cache (8 MB vs 18 MB).
❌Lower PassMark per dollar, at 46.1 vs 112.3 PassMark/$ ($193 MSRP vs $174 MSRP).
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core i5-12400F better than Processor U300?

Yes. Core i5-12400F is the better all-around CPU here. It gives you a 63.1% average FPS lead across 50 shared CPU game tests in our data and 119.5% better PassMark, 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 63.1% 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 119.5% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 125% larger total L3 cache (18 MB vs 8 MB).

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 $19 cheaper on MSRP at $174 MSRP versus $193 MSRP, and it still gives you a 63.1% average FPS lead across 50 shared CPU game tests in our data. It is also 143.5% better value on MSRP (112.3 vs 46.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Processor U300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022). That makes it the safer long-term bet.

Core i5-12400F vs Processor U300 Technical Specifications

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

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.

Processor U300

The Processor U300 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.2 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 8,897 points. Launch price was $193.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Processor U300 offers 5 cores / 6 threads — the Core i5-12400F has 1 more core. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 4.4 GHz on the Processor U300 — identical boost frequencies (base: 2.5 GHz vs 1.2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Processor U300 uses Raptor Lake-U (2023) (10 nm). In PassMark, the Core i5-12400F scores 19,532 against the Processor U300's 8,897 — a 74.8% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 8 MB (total) on the Processor U300.

Feature	Core i5-12400F	Processor U300
Cores / Threads	6 / 12+20%	5 / 6
Boost Clock	4.4 GHz	4.4 GHz
Base Clock	2.5 GHz+108%	1.2 GHz
L3 Cache	18 MB (total)+125%	8 MB (total)
L2 Cache	1.25 MB (per core)	1.25 MB (per core)
Process	Intel 7 nm-30%	10 nm
Architecture	Alder Lake-S (2022)	Raptor Lake-U (2023)
PassMark	19,532+120%	8,897
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

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Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Processor U300 uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i5-12400F	Processor U300
Socket	LGA1700	FCBGA1744
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-12400F) / not specified (Processor U300). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Processor U300
Integrated GPU	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Gaming Performance/Value	—

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Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Processor U300 came in at $193. On launch pricing ($174 vs $193), Core i5-12400F was $19 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 46.1 pts/$ for the Processor U300 — making the Core i5-12400F the 83.6% better value option.

Feature	Core i5-12400F	Processor U300
MSRP	$174-10%	$193
Performance per Dollar	112.3+144%	46.1
Release Date	2022	2023

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