Core i5-12600H vs Core i9-7900X

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 i5-12600H vs Core i9-7900X 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 i5-12600H vs Core i9-7900X: Pros, Cons & Final Verdict

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

Core i5-12600H

2022

Why buy it

✅+66.3% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅+28.6% larger total L3 cache (18 MB vs 14 MB).
✅Draws 45W instead of 140W, a 95W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA2011 and DDR4.
✅Integrated graphics onboard with Iris Xe Graphics 80EU, while Core i9-7900X needs a discrete GPU.

Trade-offs

❌Lower PassMark (20,871 vs 20,907).

Core i9-7900X

2017

Why buy it

✅+0.2% higher PassMark.
✅57.1% more PCIe lanes (44 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Lower Geekbench single-core performance for gaming (1,323 vs 2,200).
❌Smaller total L3 cache (14 MB vs 18 MB).
❌Launch MSRP is still $999 MSRP, while Core i5-12600H mostly shows up through inconsistent older-market listings.
❌211.1% higher power demand at 140W vs 45W.
❌Older platform position on LGA2011 with DDR4, while Core i5-12600H moves to FCBGA1744 and DDR5.

Quick Answers

So, is Core i5-12600H better than Core i9-7900X?

It depends on what you want from the system. For gaming, Core i5-12600H is ahead with a 2.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-7900X pulls ahead with 0.2% better PassMark. Core i5-12600H also has the bigger cache pool with 28.6% larger total L3 cache (18 MB vs 14 MB).

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

For streaming, content creation, and heavier multitasking, Core i9-7900X is the stronger fit. You are getting 0.2% better PassMark, backed by 10 cores and 20 threads.

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

Core i5-12600H is still the much better call for a fresh build. Core i5-12600H comes in at an unclear MSRP at unclear MSRP versus $999 MSRP, and it still gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data. Core i9-7900X only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2017 platform. Even with 100.0% better value on paper (20.9 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA2011.

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

Core i5-12600H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2017), a healthier platform with FCBGA1744 and DDR5 instead of LGA2011, and 28.6% larger total L3 cache (18 MB vs 14 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12600H vs Core i9-7900X Technical Specifications

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

Core i5-12600H

The Core i5-12600H 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 2.7 GHz, with boost up to 4.5 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 20,871 points. Launch price was $299.

Core i9-7900X

The Core i9-7900X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 14 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 20,907 points. Launch price was $999.

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Processing Power

The Core i5-12600H packs 12 cores / 16 threads, while the Core i9-7900X offers 10 cores / 20 threads — the Core i5-12600H has 2 more cores. Boost clocks reach 4.5 GHz on the Core i5-12600H versus 4.5 GHz on the Core i9-7900X — identical boost frequencies (base: 2.7 GHz vs 3.3 GHz). The Core i5-12600H uses the Alder Lake-H (2022) architecture (Intel 7 nm), while the Core i9-7900X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i5-12600H scores 20,871 against the Core i9-7900X's 20,907 — a 0.2% lead for the Core i9-7900X. Geekbench 6 single-core — the metric most relevant to gaming — records 2,200 vs 1,323, a 49.8% lead for the Core i5-12600H that directly translates to higher frame rates. L3 cache: 18 MB (total) on the Core i5-12600H vs 14 MB (total) on the Core i9-7900X.

Feature	Core i5-12600H	Core i9-7900X
Cores / Threads	12 / 16+20%	10 / 20
Boost Clock	4.5 GHz	4.5 GHz
Base Clock	2.7 GHz	3.3 GHz+22%
L3 Cache	18 MB (total)+29%	14 MB (total)
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-H (2022)	Skylake (server) (2017−2018)
PassMark	20,871	20,907
Geekbench 6 Single	2,200+66%	1,323
Geekbench 6 Multi	—	8,536

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Memory & Platform

The Core i5-12600H uses the FCBGA1744 socket (PCIe 4.0), while the Core i9-7900X uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5200 on the Core i5-12600H versus DDR4-2666 on the Core i9-7900X — the Core i5-12600H supports 95% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-7900X supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Memory channels: 2 (Core i5-12600H) vs 4 (Core i9-7900X). PCIe lanes: 28 (Core i5-12600H) vs 44 (Core i9-7900X) — the Core i9-7900X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i5-12600H) and X299 (Core i9-7900X).

Feature	Core i5-12600H	Core i9-7900X
Socket	FCBGA1744	LGA2011
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	LPDDR5-5200+95%	DDR4-2666
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	4+100%
ECC Support	No	No
PCIe Lanes	28	44+57%

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Advanced Features

Only the Core i9-7900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i9-7900X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i5-12600H) vs VT-x, VT-d (Core i9-7900X). The Core i5-12600H includes integrated graphics (Iris Xe Graphics 80EU), while the Core i9-7900X requires a dedicated GPU. Primary use case: Core i5-12600H targets Performance Laptop, Core i9-7900X targets High-End Desktop. Direct competitor: Core i5-12600H rivals Ryzen 5 6600H.

Feature	Core i5-12600H	Core i9-7900X
Integrated GPU	Yes	No
IGPU Model	Iris Xe Graphics 80EU	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Performance Laptop	High-End Desktop