Core i5-10400F vs Core Ultra 7 265H

Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020
Core family
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VS
Intel

Core Ultra 7 265H

16 Cores16 Thrd26 WWMax: 5.3 GHz2025
Core Ultra family
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Core i5-10400F vs Core Ultra 7 265H Performance Spectrum

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 i5-10400F vs Core Ultra 7 265H 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 i5-10400F vs Core Ultra 7 265H: Pros, Cons & Final Verdict

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

Core i5-10400F

2020

Why buy it

  • Includes a boxed cooler (Yes), unlike Core Ultra 7 265H.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 7 265H across 50 shared CPU benchmark tests.
  • Lower PassMark (13,029 vs 34,702).
  • Smaller total L3 cache (12 MB vs 24 MB).
  • Launch MSRP is still $160 MSRP, while Core Ultra 7 265H mostly shows up through inconsistent older-market listings.
  • 150% higher power demand at 65W vs 26W.

Core Ultra 7 265H

2025

Why buy it

  • Better for gaming: +57.8% higher average FPS across 50 shared CPU benchmark tests.
  • +100% larger total L3 cache (24 MB vs 12 MB).
  • Draws 26W instead of 65W, a 39W reduction.
  • Newer platform on FCBGA2049 with DDR5 support instead of LGA1200 and DDR4.
  • 75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core Ultra 7 265H better than Core i5-10400F?
Yes. Core Ultra 7 265H is the better all-around CPU here. It gives you a 57.8% average FPS lead across 50 shared CPU game tests in our data, 166.3% 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 Ultra 7 265H is the better pick. According to our tests, it delivers 57.8% 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 265H is the stronger fit. You are getting 166.3% better PassMark, backed by 16 cores and 16 threads. It also has the larger cache pool with 100% larger total L3 cache (24 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 7 265H is still the much better call for a fresh build. Core Ultra 7 265H comes in at an unclear MSRP at unclear MSRP versus $160 MSRP, and it still gives you a 57.8% average FPS lead across 50 shared CPU game tests in our data. Core i5-10400F only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2020 platform. Even with 100.0% better value on paper (81.4 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1200.
Which one is more future-proof for 2026 and beyond?
Core Ultra 7 265H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with FCBGA2049 and DDR5 instead of LGA1200, 100% larger total L3 cache (24 MB vs 12 MB), and more multi-core headroom with 16 cores / 16 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-10400F vs Core Ultra 7 265H Technical Specifications

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

Intel

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Intel

Core Ultra 7 265H

The Core Ultra 7 265H is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-H (2025) architecture. It features 16 cores and 16 threads. Base frequency is 4.5 GHz, with boost up to 5.3 GHz. L3 cache: 24 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 26 MB + 24 MB. Memory support: DDR5-6400. Passmark benchmark score: 34,702 points. Launch price was $471.

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core Ultra 7 265H offers 16 cores / 16 threads — the Core Ultra 7 265H has 10 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5.3 GHz on the Core Ultra 7 265H — a 20.8% clock advantage for the Core Ultra 7 265H (base: 2.9 GHz vs 4.5 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core Ultra 7 265H uses Arrow Lake-H (2025) (5 nm). In PassMark, the Core i5-10400F scores 13,029 against the Core Ultra 7 265H's 34,702 — a 90.8% lead for the Core Ultra 7 265H. L3 cache: 12 MB (total) on the Core i5-10400F vs 24 MB on the Core Ultra 7 265H.

FeatureCore i5-10400FCore Ultra 7 265H
Cores / Threads
6 / 12
16 / 16+167%
Boost Clock
4.3 GHz
5.3 GHz+23%
Base Clock
2.9 GHz
4.5 GHz+55%
L3 Cache
12 MB (total)
24 MB+100%
L2 Cache
256K (per core)
Process
14 nm
5 nm-64%
Architecture
Comet Lake (2020−2025)
Arrow Lake-H (2025)
PassMark
13,029
34,702+166%
Cinebench R23 Multi
8,191
Geekbench 6 Single
1,454
Geekbench 6 Multi
5,783
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Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Core Ultra 7 265H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus 8400 on the Core Ultra 7 265H — the Core Ultra 7 265H supports 215.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 28 (Core Ultra 7 265H) — the Core Ultra 7 265H offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and BGA 2049 (Core Ultra 7 265H).

FeatureCore i5-10400FCore Ultra 7 265H
Socket
LGA1200
FCBGA2049
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2666
8400+215%
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16
28+75%
🔧

Advanced Features

Neither processor supports overclocking. Only the Core Ultra 7 265H supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core Ultra 7 265H includes integrated graphics (Intel Arc 140T GPU), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Core Ultra 7 265H rivals Ryzen AI 9 HX 370.

FeatureCore i5-10400FCore Ultra 7 265H
Integrated GPU
No
Yes
IGPU Model
Intel Arc 140T GPU
Unlocked
No
No
AVX-512
No
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d
Target Use
Gaming