Core i5-12400F vs Core Ultra 7 265KF

CPU

GPU

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

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Core Ultra 7 265KF

20 Cores20 Thrd125 WWMax: 5.5 GHz2024

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Core i5-12400F vs Core Ultra 7 265KF Performance Spectrum

Core i5-12400F

6 / 12

19,532

0.0%

58,690

+200.5%

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.

Core i5-12400F vs Core Ultra 7 265KF 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 Core Ultra 7 265KF: 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

✅Costs $205 less on MSRP ($174 MSRP vs $379 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅Includes a boxed cooler (Yes), unlike Core Ultra 7 265KF.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 265KF across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,380 vs 35,315).
❌Smaller total L3 cache (18 MB vs 30 MB).
❌Lower PassMark per dollar, at 112.3 vs 154.9 PassMark/$ ($174 MSRP vs $379 MSRP).

Core Ultra 7 265KF

2024

Why buy it

✅Better for gaming: +30.3% higher average FPS across 50 shared CPU benchmark tests.
✅+66.7% larger total L3 cache (30 MB vs 18 MB).
✅Delivers 38.0% more PassMark for each dollar spent, at 154.9 vs 112.3 PassMark/$ ($379 MSRP vs $174 MSRP).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌
117.8% HIGHER MSRP
$379 MSRPvs$174 MSRP
❌92.3% higher power demand at 125W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core Ultra 7 265KF better than Core i5-12400F?

Yes. Core Ultra 7 265KF is the better all-around CPU here. It gives you a 30.3% average FPS lead across 50 shared CPU game tests in our data, 185.3% better Cinebench R23 multi-core, 200.5% higher 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 Ultra 7 265KF is the better pick. According to our tests, it delivers 30.3% 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 Ultra 7 265KF is the stronger fit. You are getting 185.3% better Cinebench R23 multi-core, backed by 20 cores and 20 threads. It also has the larger cache pool with 66.7% larger total L3 cache (30 MB vs 18 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Core Ultra 7 265KF is the better buy right now. Core Ultra 7 265KF comes in 117.8% more expensive on MSRP at $379 MSRP versus $174 MSRP, and it still gives you a 30.3% average FPS lead across 50 shared CPU game tests in our data. It is also 38.0% better value on MSRP (154.9 vs 112.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i5-12400F can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Core Ultra 7 265KF makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022), 66.7% larger total L3 cache (30 MB vs 18 MB), and more multi-core headroom with 20 cores / 20 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Core Ultra 7 265KF 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.

Core Ultra 7 265KF

The Core Ultra 7 265KF is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,690 points. Launch price was $379.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Core Ultra 7 265KF offers 20 cores / 20 threads — the Core Ultra 7 265KF has 14 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.5 GHz on the Core Ultra 7 265KF — a 22.2% clock advantage for the Core Ultra 7 265KF (base: 2.5 GHz vs 3.9 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core Ultra 7 265KF uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the Core i5-12400F scores 19,532 against the Core Ultra 7 265KF's 58,690 — a 100.1% lead for the Core Ultra 7 265KF. Cinebench R23 multi-core: 12,380 vs 35,315 (96.2% advantage for the Core Ultra 7 265KF). Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 3,055, a 57% lead for the Core Ultra 7 265KF that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 20,373 (187.5% advantage for the Core Ultra 7 265KF). L3 cache: 18 MB (total) on the Core i5-12400F vs 30 MB (total) on the Core Ultra 7 265KF.

Feature	Core i5-12400F	Core Ultra 7 265KF
Cores / Threads	6 / 12	20 / 20+233%
Boost Clock	4.4 GHz	5.5 GHz+25%
Base Clock	2.5 GHz	3.9 GHz+56%
L3 Cache	18 MB (total)	30 MB (total)+67%
L2 Cache	1.25 MB (per core)	3 MB (per core)+140%
Process	Intel 7 nm	3 nm-57%
Architecture	Alder Lake-S (2022)	Arrow Lake-S (2024−2025)
PassMark	19,532	58,690+200%
Cinebench R23 Multi	12,380	35,315+185%
Geekbench 6 Single	1,700	3,055+80%
Geekbench 6 Multi	657	20,373+3001%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Core Ultra 7 265KF uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR5-6400 on the Core Ultra 7 265KF — the Core Ultra 7 265KF supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 7 265KF supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400F) vs 24 (Core Ultra 7 265KF) — the Core Ultra 7 265KF offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and Intel Z890 (Core Ultra 7 265KF).

Feature	Core i5-12400F	Core Ultra 7 265KF
Socket	LGA1700	LGA1851
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-6400+33%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	20	24+20%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs true (Core Ultra 7 265KF). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Core Ultra 7 265KF rivals Ryzen 7 9700X.

Feature	Core i5-12400F	Core Ultra 7 265KF
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	Yes
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	true
Target Use	Gaming Performance/Value	—

💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Core Ultra 7 265KF came in at $379. On launch pricing ($174 vs $379), Core i5-12400F was $205 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 154.9 pts/$ for the Core Ultra 7 265KF — making the Core Ultra 7 265KF the 31.9% better value option.

Feature	Core i5-12400F	Core Ultra 7 265KF
MSRP	$174-54%	$379
Performance per Dollar	112.3	154.9+38%
Release Date	2022	2024

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