Core i5-12600HE vs Core i9-11900KB

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 i5-12600HE vs Core i9-11900KB 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 i5-12600HE vs Core i9-11900KB: Pros, Cons & Final Verdict

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

Core i5-12600HE

2022

Why buy it

✅+0.6% higher PassMark.
✅Draws 45W instead of 65W, a 20W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of FCBGA1787 and DDR4.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900KB across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (18 MB vs 24 MB).

Core i9-11900KB

2021

Why buy it

✅Better for gaming: +3.2% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (24 MB vs 18 MB).

Trade-offs

❌Lower PassMark (22,693 vs 22,827).
❌Launch MSRP is still $539 MSRP, while Core i5-12600HE mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.
❌Older platform position on FCBGA1787 with DDR4, while Core i5-12600HE moves to FCBGA1744 and DDR5.

Quick Answers

So, is Core i5-12600HE better than Core i9-11900KB?

It depends on what you want from the system. For gaming, Core i9-11900KB is ahead with a 3.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-12600HE pulls ahead with 0.6% better PassMark. Core i9-11900KB also has the bigger cache pool with 33.3% larger total L3 cache (24 MB vs 18 MB).

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

For streaming, content creation, and heavier multitasking, Core i5-12600HE is the stronger fit. You are getting 0.6% better PassMark, backed by 12 cores and 16 threads.

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

Core i5-12600HE is the easy recommendation for a fresh desktop build. Core i5-12600HE comes in at an unclear MSRP at unclear MSRP versus $539 MSRP, and it still gives you 0.6% better PassMark. Core i9-11900KB only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games.

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

Core i5-12600HE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2021), a healthier platform with FCBGA1744 and DDR5 instead of FCBGA1787, and more multi-core headroom with 12 cores / 16 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12600HE vs Core i9-11900KB Technical Specifications

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

Core i5-12600HE

The Core i5-12600HE is manufactured by Intel. It was released in Janeiro 2022 (3 years ago). It is based on the Alder Lake-H (2022) architecture. It features 12 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.5 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 22,827 points. Launch price was $299.

Core i9-11900KB

The Core i9-11900KB is manufactured by Intel. It was released in Maio 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 22,693 points. Launch price was $539.

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Processing Power

The Core i5-12600HE packs 12 cores / 16 threads, while the Core i9-11900KB offers 8 cores / 16 threads — the Core i5-12600HE has 4 more cores. Boost clocks reach 4.5 GHz on the Core i5-12600HE versus 4.9 GHz on the Core i9-11900KB — a 8.5% clock advantage for the Core i9-11900KB (base: 2.5 GHz vs 3.3 GHz). The Core i5-12600HE uses the Alder Lake-H (2022) architecture (10 nm), while the Core i9-11900KB uses Tiger Lake-H (2021) (10 nm SuperFin). In PassMark, the Core i5-12600HE scores 22,827 against the Core i9-11900KB's 22,693 — a 0.6% lead for the Core i5-12600HE. L3 cache: 18 MB (total) on the Core i5-12600HE vs 24 MB (total) on the Core i9-11900KB.

Feature	Core i5-12600HE	Core i9-11900KB
Cores / Threads	12 / 16+50%	8 / 16
Boost Clock	4.5 GHz	4.9 GHz+9%
Base Clock	2.5 GHz	3.3 GHz+32%
L3 Cache	18 MB (total)	24 MB (total)+33%
L2 Cache	1.25 MB (per core)	1.25 MB (per core)
Process	10 nm	10 nm SuperFin
Architecture	Alder Lake-H (2022)	Tiger Lake-H (2021)
PassMark	22,827	22,693
Cinebench R23 Multi	—	12,264
Geekbench 6 Single	2,200	—
Geekbench 6 Multi	—	10,645

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Memory & Platform

The Core i5-12600HE uses the FCBGA1744 socket (PCIe 3.0), while the Core i9-11900KB uses FCBGA1787 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5200 on the Core i5-12600HE versus DDR4-3200 on the Core i9-11900KB — the Core i5-12600HE supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-11900KB supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Core i5-12600HE) vs 20 (Core i9-11900KB) — the Core i5-12600HE offers 8 more lanes for additional GPUs or NVMe drives.

Feature	Core i5-12600HE	Core i9-11900KB
Socket	FCBGA1744	FCBGA1787
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	LPDDR5-5200+63%	DDR4-3200
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	28+40%	20

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Advanced Features

Only the Core i9-11900KB has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i9-11900KB supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i5-12600HE) vs VT-x, VT-d (Core i9-11900KB). Both include integrated graphics — Iris Xe Graphics 80EU (Core i5-12600HE) and Intel UHD Graphics (Core i9-11900KB) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-12600HE targets Embedded. Direct competitor: Core i5-12600HE rivals Ryzen Embedded V3000.

Feature	Core i5-12600HE	Core i9-11900KB
Integrated GPU	Yes	Yes
IGPU Model	Iris Xe Graphics 80EU	Intel UHD Graphics
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Embedded	—