Core i7-9700K vs Ryzen 7 3700U

Core i7-9700K vs Ryzen 7 3700U Performance Spectrum

Core i7-9700K

8 / 8

14,397

+104.2%

7,049

0.0%

Ryzen Threadripper 3970X

Ryzen Threadripper PRO 7965WX

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 7 3700U 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 7 3700U: 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

✅Better for gaming: +82.8% higher average FPS across 50 shared CPU benchmark tests.
✅+200% larger total L3 cache (12 MB vs 4 MB).
✅33.3% more PCIe lanes (16 vs 12) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $385 MSRP, while Ryzen 7 3700U mostly shows up through inconsistent older-market listings.
❌533.3% higher power demand at 95W vs 15W.

Ryzen 7 3700U

2019

Why buy it

✅Draws 15W instead of 95W, a 80W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌Lower PassMark (7,049 vs 14,397).
❌Smaller total L3 cache (4 MB vs 12 MB).

Quick Answers

So, is Core i7-9700K better than Ryzen 7 3700U?

Yes. Core i7-9700K is the better all-around CPU here. It gives you a 82.8% average FPS lead across 50 shared CPU game tests in our data and 104.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i7-9700K is the better pick. According to our tests, it delivers 82.8% 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, Core i7-9700K is the stronger fit. You are getting 104.2% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 200% larger total L3 cache (12 MB vs 4 MB).

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

Core i7-9700K is the better buy right now. Core i7-9700K comes in at an unclear MSRP at $385 MSRP versus unclear MSRP, and it still gives you a 82.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (37.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 7 3700U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2018). That makes it the safer long-term bet.

Core i7-9700K vs Ryzen 7 3700U 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 7 3700U

The Ryzen 7 3700U is manufactured by AMD. It was released in 6 January 2019 (6 years ago). It is based on the Picasso-U (Zen+) (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 2.3 GHz, with boost up to 4 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 12 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 7,049 points. Launch price was $149.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Ryzen 7 3700U offers 4 cores / 8 threads — the Core i7-9700K has 4 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4 GHz on the Ryzen 7 3700U — a 20.2% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.3 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 7 3700U uses Picasso-U (Zen+) (2019−2020) (12 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 7 3700U's 7,049 — a 68.5% lead for the Core i7-9700K. L3 cache: 12 MB (total) on the Core i7-9700K vs 4 MB (total) on the Ryzen 7 3700U.

Feature	Core i7-9700K	Ryzen 7 3700U
Cores / Threads	8 / 8+100%	4 / 8
Boost Clock	4.9 GHz+23%	4 GHz
Base Clock	3.6 GHz+57%	2.3 GHz
L3 Cache	12 MB (total)+200%	4 MB (total)
L2 Cache	256K (per core)	512K (per core)+100%
Process	14 nm	12 nm-14%
Architecture	Coffee Lake-R (2018−2019)	Picasso-U (Zen+) (2019−2020)
PassMark	14,397+104%	7,049
Cinebench R23 Multi	—	3,826
Geekbench 6 Single	—	794
Geekbench 6 Multi	—	3,115

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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 7 3700U uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR4-2400 on the Ryzen 7 3700U — the Core i7-9700K supports 11.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K 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: 16 (Core i7-9700K) vs 12 (Ryzen 7 3700U) — the Core i7-9700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and FP5 (Ryzen 7 3700U).

Feature	Core i7-9700K	Ryzen 7 3700U
Socket	LGA1151	FP5
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666+11%	DDR4-2400
Max RAM Capacity	128 GB+100%	64 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16+33%	12

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Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-9700K) vs AMD-V (Ryzen 7 3700U). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Radeon RX Vega 10 (Ryzen 7 3700U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Ryzen 7 3700U targets Mainstream Laptop.

Feature	Core i7-9700K	Ryzen 7 3700U
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Radeon RX Vega 10
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	Desktop	Mainstream Laptop