
Core i5-10400F

Core Ultra 7 265H
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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
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
2020Why 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
2025Why 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?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i5-10400F vs Core Ultra 7 265H Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.
| Feature | Core i5-10400F | Core 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 | — |
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).
| Feature | Core i5-10400F | Core 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.
| Feature | Core i5-10400F | Core 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 | — |
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