Core i7-1355U vs Core i9-10880H

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 i7-1355U vs Core i9-10880H 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 i7-1355U vs Core i9-10880H: Pros, Cons & Final Verdict

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

Core i7-1355U

2023

Why buy it

✅Better for gaming: +6.6% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on FCBGA1744 with DDR5 support instead of BGA1440 and DDR4.

Trade-offs

❌Lower PassMark (14,116 vs 14,240).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌650% higher power demand at 15W vs 2W.

Core i9-10880H

2020

Why buy it

✅+0.9% higher PassMark.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 2W instead of 15W, a 13W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-1355U across 50 shared CPU benchmark tests.
❌Older platform position on BGA1440 with DDR4, while Core i7-1355U moves to FCBGA1744 and DDR5.

Quick Answers

So, is Core i9-10880H better than Core i7-1355U?

It depends on what you want from the system. For gaming, Core i7-1355U is ahead with a 6.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-10880H pulls ahead with 0.9% better PassMark. Core i9-10880H also has the bigger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-10880H is the stronger fit. You are getting 0.9% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

Core i9-10880H still makes the most sense overall. Core i9-10880H comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.9% better PassMark.

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

Core i7-1355U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FCBGA1744 and DDR5 instead of BGA1440. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-1355U vs Core i9-10880H Technical Specifications

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

Core i7-1355U

The Core i7-1355U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 10 cores and 12 threads. Base frequency is 1.7 GHz, with boost up to 5 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 14,116 points. Launch price was $469.

Core i9-10880H

The Core i9-10880H is manufactured by Intel. It was released in 2 April 2020 (5 years ago). It is based on the Comet Lake-H (2020) architecture. It features 8 cores and 16 threads. Base frequency is 2.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 2 MB + 16 MB. Memory support: DDR4. Passmark benchmark score: 14,240 points. Launch price was $149.

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Processing Power

The Core i7-1355U packs 10 cores / 12 threads, while the Core i9-10880H offers 8 cores / 16 threads — the Core i7-1355U has 2 more cores. Boost clocks reach 5 GHz on the Core i7-1355U versus 5.1 GHz on the Core i9-10880H — a 2% clock advantage for the Core i9-10880H (base: 1.7 GHz vs 2.3 GHz). The Core i7-1355U uses the Raptor Lake-U (2023) architecture (Intel 7 nm), while the Core i9-10880H uses Comet Lake-H (2020) (14 nm). In PassMark, the Core i7-1355U scores 14,116 against the Core i9-10880H's 14,240 — a 0.9% lead for the Core i9-10880H. L3 cache: 12 MB (total) on the Core i7-1355U vs 16 MB on the Core i9-10880H.

Feature	Core i7-1355U	Core i9-10880H
Cores / Threads	10 / 12+25%	8 / 16
Boost Clock	5 GHz	5.1 GHz+2%
Base Clock	1.7 GHz	2.3 GHz+35%
L3 Cache	12 MB (total)	16 MB+33%
L2 Cache	1.25 MB (per core)	2 MB+60%
Process	Intel 7 nm-50%	14 nm
Architecture	Raptor Lake-U (2023)	Comet Lake-H (2020)
PassMark	14,116	14,240

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Memory & Platform

The Core i7-1355U uses the FCBGA1744 socket (PCIe 5.0), while the Core i9-10880H uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.