Core i5-12400F vs Core Ultra 7 265KF

Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

VS
Intel

Core Ultra 7 265KF

20 Cores20 Thrd125 WWMax: 5.5 GHz2024

Popular choices:

i5-12400F

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

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 6 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: +38.3% higher average FPS across 6 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 overall CPU here. You are getting a 38.3% average FPS lead across 6 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 makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Core Ultra 7 265KF is the better pick here. According to our tests, it delivers 38.3% more average FPS across 6 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 better fit. You are getting 185.3% better Cinebench R23 multi-core, backed by 20 cores and 20 threads. It also carries 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 smarter buy today. Core Ultra 7 265KF is 117.8% more expensive on MSRP at $379 MSRP versus $174 MSRP, and it gives you a 38.3% average FPS lead across 6 shared CPU game tests in our data. It is also 38.0% better value on MSRP (154.9 vs 112.3 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play 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 is the more future-proof choice 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 should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i5-12400FCore Ultra 7 265KF
1080p
low183 FPS305 FPS
medium168 FPS290 FPS
high139 FPS244 FPS
ultra119 FPS205 FPS
1440p
low153 FPS240 FPS
medium132 FPS201 FPS
high106 FPS163 FPS
ultra89 FPS142 FPS
4K
low87 FPS158 FPS
medium81 FPS132 FPS
high64 FPS102 FPS
ultra49 FPS89 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-12400FCore Ultra 7 265KF
1080p
low471 FPS778 FPS
medium397 FPS656 FPS
high341 FPS548 FPS
ultra301 FPS491 FPS
1440p
low407 FPS673 FPS
medium351 FPS595 FPS
high309 FPS499 FPS
ultra265 FPS422 FPS
4K
low282 FPS395 FPS
medium248 FPS357 FPS
high229 FPS335 FPS
ultra196 FPS292 FPS
League of Legends

League of Legends

PresetCore i5-12400FCore Ultra 7 265KF
1080p
low488 FPS851 FPS
medium488 FPS694 FPS
high488 FPS617 FPS
ultra488 FPS528 FPS
1440p
low488 FPS731 FPS
medium488 FPS599 FPS
high485 FPS521 FPS
ultra434 FPS442 FPS
4K
low442 FPS517 FPS
medium389 FPS436 FPS
high337 FPS396 FPS
ultra274 FPS337 FPS
Valorant

Valorant

PresetCore i5-12400FCore Ultra 7 265KF
1080p
low488 FPS1128 FPS
medium488 FPS1015 FPS
high488 FPS889 FPS
ultra488 FPS808 FPS
1440p
low488 FPS892 FPS
medium488 FPS789 FPS
high488 FPS687 FPS
ultra473 FPS611 FPS
4K
low488 FPS604 FPS
medium450 FPS542 FPS
high391 FPS489 FPS
ultra330 FPS432 FPS

Technical Specifications

Side-by-side comparison of Core i5-12400F and Core Ultra 7 265KF

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.

Intel

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.

FeatureCore i5-12400FCore 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. Both support up to DDR5-4800, DDR4-3200 memory speed. The Core Ultra 7 265KF supports up to 192 GB of RAM compared to 128 GB 40% 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).

FeatureCore i5-12400FCore Ultra 7 265KF
Socket
LGA1700
LGA1851
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR5-4800, DDR4-3200
DDR5-6400
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.

FeatureCore i5-12400FCore 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

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

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