Core i7-12700H vs Core i9-7940X

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 i7-12700H vs Core i9-7940X 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 i7-12700H vs Core i9-7940X: Pros, Cons & Final Verdict

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

Core i7-12700H

2022

Why buy it

✅Better for gaming: +17.1% higher average FPS across 50 shared CPU benchmark tests.
✅+24.7% larger total L3 cache (24 MB vs 19 MB).
✅Costs $942 less on MSRP ($457 MSRP vs $1,399 MSRP).
✅Delivers 205.1% more PassMark for each dollar spent, at 55.5 vs 18.2 PassMark/$ ($457 MSRP vs $1,399 MSRP).
✅Draws 45W instead of 165W, a 120W reduction.

Trade-offs

❌Lower PassMark (25,365 vs 25,452).

Core i9-7940X

2017

Why buy it

✅+0.3% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-12700H across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (19 MB vs 24 MB).
❌Lower PassMark per dollar, at 18.2 vs 55.5 PassMark/$ ($1,399 MSRP vs $457 MSRP).
❌266.7% higher power demand at 165W vs 45W.
❌Older platform position on LGA2066 with DDR4, while Core i7-12700H moves to FCBGA1744 and DDR5.

Quick Answers

So, is Core i7-12700H better than Core i9-7940X?

It depends on what you want from the system. For gaming, Core i7-12700H is ahead with a 17.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-7940X pulls ahead with 0.3% better PassMark. Core i7-12700H also has the bigger cache pool with 24.7% larger total L3 cache (24 MB vs 19 MB).

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

For streaming, content creation, and heavier multitasking, Core i9-7940X is the stronger fit. You are getting 0.3% better PassMark, backed by 14 cores and 28 threads.

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

Core i7-12700H is the better buy right now. Core i7-12700H comes in $942 cheaper on MSRP at $457 MSRP versus $1,399 MSRP, and it still gives you a 17.1% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i9-7940X is still stronger for heavier multi-core work with 0.3% better PassMark. It is also 205.1% better value on MSRP (55.5 vs 18.2 PassMark/$), 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 i7-12700H 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 LGA2066, and 24.7% larger total L3 cache (24 MB vs 19 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-12700H vs Core i9-7940X Technical Specifications

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

Core i7-12700H

The Core i7-12700H 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 14 cores and 20 threads. Base frequency is 2.3 GHz, with boost up to 4.7 GHz. L3 cache: 24 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: 25,365 points. Launch price was $299.

Core i9-7940X

The Core i9-7940X is manufactured by Intel. It was released in 1 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 3.1 GHz, with boost up to 4.4 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 25,452 points. Launch price was $1,399.

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Processing Power

The Core i7-12700H packs 14 cores / 20 threads, matching the Core i9-7940X's 14 cores. Boost clocks reach 4.7 GHz on the Core i7-12700H versus 4.4 GHz on the Core i9-7940X — a 6.6% clock advantage for the Core i7-12700H (base: 2.3 GHz vs 3.1 GHz). The Core i7-12700H uses the Alder Lake-H (2022) architecture (Intel 7 nm), while the Core i9-7940X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i7-12700H scores 25,365 against the Core i9-7940X's 25,452 — a 0.3% lead for the Core i9-7940X. L3 cache: 24 MB (total) on the Core i7-12700H vs 19.25 MB (total) on the Core i9-7940X.

Feature	Core i7-12700H	Core i9-7940X
Cores / Threads	14 / 20	14 / 28
Boost Clock	4.7 GHz+7%	4.4 GHz
Base Clock	2.3 GHz	3.1 GHz+35%
L3 Cache	24 MB (total)+25%	19.25 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	25,365	25,452
Cinebench R23 Multi	15,453	—
Geekbench 6 Single	2,648	—
Geekbench 6 Multi	12,802	—

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Memory & Platform

The Core i7-12700H uses the FCBGA1744 socket (PCIe 4.0), while the Core i9-7940X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-12700H	Core i9-7940X
Socket	FCBGA1744	LGA2066
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR5-4800	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i7-12700H) / not specified (Core i9-7940X). The Core i7-12700H includes integrated graphics (Iris Xe 96EU), while the Core i9-7940X requires a dedicated GPU. Primary use case: Core i7-12700H targets Workstation. Direct competitor: Core i7-12700H rivals Ryzen 7 6800H.

Feature	Core i7-12700H	Core i9-7940X
Integrated GPU	Yes	—
IGPU Model	Iris Xe 96EU	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Workstation	—

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Value Analysis

At launch, the Core i7-12700H was priced at $457, while the Core i9-7940X came in at $1399. On launch pricing ($457 vs $1399), Core i7-12700H was $942 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700H delivers 55.5 pts/$ vs 18.2 pts/$ for the Core i9-7940X — making the Core i7-12700H the 101.3% better value option.

Feature	Core i7-12700H	Core i9-7940X
MSRP	$457-67%	$1399
Performance per Dollar	55.5+205%	18.2
Release Date	2022	2017

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