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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i7-9700K

2018

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX across 5 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 55,711).
❌Smaller total L3 cache (12 MB vs 64 MB).
❌Launch MSRP is still $385 MSRP, while Ryzen 9 9955HX mostly shows up through inconsistent older-market listings.
❌72.7% higher power demand at 95W vs 55W.

Ryzen 9 9955HX

2025

Why buy it

✅Better for gaming: +53.2% higher average FPS across 5 shared CPU benchmark tests.
✅+433.3% larger total L3 cache (64 MB vs 12 MB).
✅Draws 55W instead of 95W, a 40W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA1151 and DDR4.
✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

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

Core i7-9700K

2018

Ryzen 9 9955HX

2025

Why buy it

✅Better for gaming: +53.2% higher average FPS across 5 shared CPU benchmark tests.
✅+433.3% larger total L3 cache (64 MB vs 12 MB).
✅Draws 55W instead of 95W, a 40W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA1151 and DDR4.
✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX across 5 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 55,711).
❌Smaller total L3 cache (12 MB vs 64 MB).
❌Launch MSRP is still $385 MSRP, while Ryzen 9 9955HX mostly shows up through inconsistent older-market listings.
❌72.7% higher power demand at 95W vs 55W.

Trade-offs

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

Quick Answers

So, is Ryzen 9 9955HX better than Core i7-9700K?

Yes. Ryzen 9 9955HX is the better overall CPU here. You are getting a 53.2% average FPS lead across 5 shared CPU game tests in our data, 287% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 9955HX is the better pick here. According to our tests, it delivers 53.2% more average FPS across 5 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 9955HX is the better fit. You are getting 287% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 433.3% larger total L3 cache (64 MB vs 12 MB).

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

Ryzen 9 9955HX is the smarter buy by a wide margin for a fresh build. Ryzen 9 9955HX is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you a 53.2% average FPS lead across 5 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), it really only makes sense as a very 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 9955HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2018), a healthier platform with FL1 and DDR5 instead of LGA1151, 433.3% larger total L3 cache (64 MB vs 12 MB), and more multi-core headroom with 16 cores / 32 threads instead of 8/8. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i7-9700K Benchmark Check

Ryzen 9 9955HX Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Ryzen 9 9955HX
1080p
low	308 FPS	284 FPS
medium	278 FPS	261 FPS
high	231 FPS	214 FPS
ultra	182 FPS	180 FPS
1440p
low	270 FPS	260 FPS
medium	221 FPS	217 FPS
high	178 FPS	167 FPS
ultra	143 FPS	147 FPS
4K
low	170 FPS	181 FPS
medium	140 FPS	151 FPS
high	108 FPS	115 FPS
ultra	95 FPS	102 FPS

Open Core i7-9700K Open Ryzen 9 9955HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Ryzen 9 9955HX
1080p
low	360 FPS	666 FPS
medium	321 FPS	577 FPS
high	291 FPS	433 FPS
ultra	259 FPS	369 FPS
1440p
low	324 FPS	564 FPS
medium	282 FPS	503 FPS
high	258 FPS	389 FPS
ultra	225 FPS	305 FPS
4K
low	249 FPS	318 FPS
medium	221 FPS	288 FPS
high	208 FPS	253 FPS
ultra	179 FPS	214 FPS

Open Core i7-9700K Open Ryzen 9 9955HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Ryzen 9 9955HX
1080p
low	360 FPS	848 FPS
medium	360 FPS	678 FPS
high	360 FPS	600 FPS
ultra	360 FPS	515 FPS
1440p
low	360 FPS	678 FPS
medium	360 FPS	542 FPS
high	360 FPS	469 FPS
ultra	360 FPS	397 FPS
4K
low	360 FPS	482 FPS
medium	360 FPS	399 FPS
high	360 FPS	359 FPS
ultra	318 FPS	301 FPS

Open Core i7-9700K Open Ryzen 9 9955HX

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Ryzen 9 9955HX
1080p
low	360 FPS	1071 FPS
medium	360 FPS	966 FPS
high	360 FPS	843 FPS
ultra	360 FPS	759 FPS
1440p
low	360 FPS	840 FPS
medium	360 FPS	746 FPS
high	360 FPS	651 FPS
ultra	360 FPS	564 FPS
4K
low	360 FPS	618 FPS
medium	360 FPS	553 FPS
high	360 FPS	487 FPS
ultra	360 FPS	420 FPS

Open Core i7-9700K Open Ryzen 9 9955HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Ryzen 9 9955HX

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 9955HX

The Ryzen 9 9955HX is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,711 points. Launch price was $650.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Ryzen 9 9955HX offers 16 cores / 32 threads — the Ryzen 9 9955HX has 8 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.4 GHz on the Ryzen 9 9955HX — a 9.7% clock advantage for the Ryzen 9 9955HX (base: 3.6 GHz vs 2.5 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 9 9955HX uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 9 9955HX's 55,711 — a 117.9% lead for the Ryzen 9 9955HX. L3 cache: 12 MB (total) on the Core i7-9700K vs 64 MB (total) on the Ryzen 9 9955HX.

Feature	Core i7-9700K	Ryzen 9 9955HX
Cores / Threads	8 / 8	16 / 32+100%
Boost Clock	4.9 GHz	5.4 GHz+10%
Base Clock	3.6 GHz+44%	2.5 GHz
L3 Cache	12 MB (total)	64 MB (total)+433%
L2 Cache	256K (per core)	1 MB (per core)+300%
Process	14 nm	4 nm-71%
Architecture	Coffee Lake-R (2018−2019)	Fire Range-HX (Zen 5) (2025)
PassMark	14,397	55,711+287%
Cinebench R23 Multi	—	38,010
Geekbench 6 Single	—	3,219
Geekbench 6 Multi	—	19,563

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 9 9955HX uses FL1 (PCIe 5.0) — 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 9955HX — the Ryzen 9 9955HX supports 22.2% 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 96 GB — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-9700K) vs 28 (Ryzen 9 9955HX) — the Ryzen 9 9955HX offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and AMD FL1 (Ryzen 9 9955HX).

Feature	Core i7-9700K	Ryzen 9 9955HX
Socket	LGA1151	FL1
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-5600+25%
Max RAM Capacity	128 GB+33%	96 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	28+75%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9955HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-9700K) vs true (Ryzen 9 9955HX). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Radeon 610M (Ryzen 9 9955HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop. Direct competitor: Ryzen 9 9955HX rivals Core Ultra 9 275HX.