Core i7-9700K vs Ryzen 9 7940H

CPU

GPU

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Similar parts

·······

Buy on Amazon

Ryzen 9 7940H

8 Cores16 Thrd35 WWMax: 5.2 GHz2023

Ryzen family

·······

Buy on Amazon

Core i7-9700K vs Ryzen 9 7940H Performance Spectrum

Core i7-9700K

8 / 8

14,397

0.0%

29,151

+102.5%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 5995WX

About PassMark

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 i7-9700K vs Ryzen 9 7940H 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 i7-9700K vs Ryzen 9 7940H: Pros, Cons & Final Verdict

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

Core i7-9700K

2018

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7940H across 50 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 29,151).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Launch MSRP is still $385 MSRP, while Ryzen 9 7940H mostly shows up through inconsistent older-market listings.
❌171.4% higher power demand at 95W vs 35W.

Ryzen 9 7940H

2023

Why buy it

✅Better for gaming: +23.0% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 35W instead of 95W, a 60W reduction.
✅Newer platform on FP8 with DDR5 support instead of LGA1151 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 9 7940H better than Core i7-9700K?

Yes. Ryzen 9 7940H is the better all-around CPU here. It gives you a 23.0% average FPS lead across 50 shared CPU game tests in our data, 102.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 7940H is the better pick. According to our tests, it delivers 23.0% 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, Ryzen 9 7940H is the stronger fit. You are getting 102.5% 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?

Ryzen 9 7940H is still the much better call for a fresh build. Ryzen 9 7940H comes in at an unclear MSRP at unclear MSRP versus $385 MSRP, and it still gives you a 23.0% average FPS lead across 50 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1151.

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

Ryzen 9 7940H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with FP8 and DDR5 instead of LGA1151, 33.3% larger total L3 cache (16 MB vs 12 MB), and more multi-core headroom with 8 cores / 16 threads instead of 8/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-9700K vs Ryzen 9 7940H Technical Specifications

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

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Ryzen 9 7940H

The Ryzen 9 7940H is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5-5600. Passmark benchmark score: 29,151 points. Launch price was $299.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Ryzen 9 7940H's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.2 GHz on the Ryzen 9 7940H — a 5.9% clock advantage for the Ryzen 9 7940H (base: 3.6 GHz vs 4 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 9 7940H uses Phoenix (2023−2024) (4 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 9 7940H's 29,151 — a 67.8% lead for the Ryzen 9 7940H. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Ryzen 9 7940H.

Feature	Core i7-9700K	Ryzen 9 7940H
Cores / Threads	8 / 8	8 / 16
Boost Clock	4.9 GHz	5.2 GHz+6%
Base Clock	3.6 GHz	4 GHz+11%
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)+25500%	1 MB (per core)
Process	14 nm	4 nm-71%
Architecture	Coffee Lake-R (2018−2019)	Phoenix (2023−2024)
PassMark	14,397	29,151+102%
Cinebench R23 Multi	—	17,200
Geekbench 6 Single	—	2,646
Geekbench 6 Multi	—	13,495

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 9 7940H uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR5-5600 on the Ryzen 9 7940H — the Ryzen 9 7940H supports 110.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 7940H supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-9700K) vs 20 (Ryzen 9 7940H) — the Ryzen 9 7940H offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and FP7,FP7r2,FP8 (Ryzen 9 7940H).

Feature	Core i7-9700K	Ryzen 9 7940H
Socket	LGA1151	FP8
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR5-5600+110%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	20+25%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7940H supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-9700K) vs AMD-V, SVM (Ryzen 9 7940H). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Radeon 780M (Ryzen 9 7940H) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Ryzen 9 7940H targets High-performance Gaming Laptop. Direct competitor: Ryzen 9 7940H rivals Core i9-13900H.

Feature	Core i7-9700K	Ryzen 9 7940H
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Radeon 780M
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V, SVM
Target Use	Desktop	High-performance Gaming Laptop