Core i9-10900KF vs Core Ultra 5 135H

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 i9-10900KF vs Core Ultra 5 135H 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 i9-10900KF vs Core Ultra 5 135H: Pros, Cons & Final Verdict

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

Core i9-10900KF

2020

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $509 MSRP, while Core Ultra 5 135H mostly shows up through inconsistent older-market listings.
❌Older platform position on LGA1200 with DDR4, while Core Ultra 5 135H moves to FCBGA2049 and DDR5.

Core Ultra 5 135H

2023

Why buy it

✅Newer platform on FCBGA2049 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Lower PassMark (22,116 vs 22,231).

Quick Answers

So, is Core i9-10900KF better than Core Ultra 5 135H?

Yes. Core i9-10900KF is the better all-around CPU here. It gives you a 2.7% average FPS lead across 50 shared CPU game tests in our data and 0.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i9-10900KF is the better pick. According to our tests, it delivers 2.7% 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 i9-10900KF is the stronger fit. You are getting 0.5% better PassMark, backed by 10 cores and 20 threads.

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

Core i9-10900KF is the better buy right now. Core i9-10900KF comes in at an unclear MSRP at $509 MSRP versus unclear MSRP, and it still gives you a 2.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (43.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core Ultra 5 135H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FCBGA2049 and DDR5 instead of LGA1200. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-10900KF vs Core Ultra 5 135H Technical Specifications

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

Core i9-10900KF

The Core i9-10900KF 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 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 5.2 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 22,231 points. Launch price was $509.

Core Ultra 5 135H

The Core Ultra 5 135H is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-H (2023) architecture. It features 14 cores and 18 threads. Base frequency is 3.6 GHz, with boost up to 4.6 GHz. L3 cache: 18 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 18 MB. Memory support: DDR5. Passmark benchmark score: 22,116 points. Launch price was $342.

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Processing Power

The Core i9-10900KF packs 10 cores / 20 threads, while the Core Ultra 5 135H offers 14 cores / 18 threads — the Core Ultra 5 135H has 4 more cores. Boost clocks reach 5.2 GHz on the Core i9-10900KF versus 4.6 GHz on the Core Ultra 5 135H — a 12.2% clock advantage for the Core i9-10900KF (base: 3.7 GHz vs 3.6 GHz). The Core i9-10900KF uses the Comet Lake (2020−2025) architecture (14 nm), while the Core Ultra 5 135H uses Meteor Lake-H (2023) (7 nm). In PassMark, the Core i9-10900KF scores 22,231 against the Core Ultra 5 135H's 22,116 — a 0.5% lead for the Core i9-10900KF. L3 cache: 20 MB (total) on the Core i9-10900KF vs 18 MB (total) on the Core Ultra 5 135H.

Feature	Core i9-10900KF	Core Ultra 5 135H
Cores / Threads	10 / 20	14 / 18+40%
Boost Clock	5.2 GHz+13%	4.6 GHz
Base Clock	3.7 GHz+3%	3.6 GHz
L3 Cache	20 MB (total)+11%	18 MB (total)
L2 Cache	256 kB (per core)	2 MB (per core)+700%
Process	14 nm	7 nm-50%
Architecture	Comet Lake (2020−2025)	Meteor Lake-H (2023)
PassMark	22,231	22,116
Geekbench 6 Single	1,767	—
Geekbench 6 Multi	9,261	—

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Memory & Platform

The Core i9-10900KF uses the LGA1200 socket (PCIe 3.0), while the Core Ultra 5 135H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i9-10900KF	Core Ultra 5 135H
Socket	LGA1200	FCBGA2049
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2933	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—