Core i9-9900KS vs Ryzen 7 5800HS

Core i9-9900KS vs Ryzen 7 5800HS Performance Spectrum

Core i9-9900KS

8 / 16

19,397

0.0%

19,512

+0.6%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 i9-9900KS vs Ryzen 7 5800HS 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 i9-9900KS vs Ryzen 7 5800HS: Pros, Cons & Final Verdict

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

Core i9-9900KS

2019

Why buy it

Trade-offs

❌Lower PassMark (19,397 vs 19,512).
❌Launch MSRP is still $513 MSRP, while Ryzen 7 5800HS mostly shows up through inconsistent older-market listings.
❌262.9% higher power demand at 127W vs 35W.

Ryzen 7 5800HS

2021

Why buy it

✅+0.6% higher PassMark.
✅Draws 35W instead of 127W, a 92W reduction.

Trade-offs

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

Quick Answers

So, is Ryzen 7 5800HS better than Core i9-9900KS?

It depends on what you want from the system. For gaming, Core i9-9900KS is ahead with a 2.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 5800HS pulls ahead with 0.6% better PassMark.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800HS is the stronger fit. You are getting 0.6% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 5800HS is still the faster CPU overall, but Core i9-9900KS is easier to justify if budget matters more than peak performance. Ryzen 7 5800HS comes in at an unclear MSRP at unclear MSRP versus $513 MSRP, and it still gives you 0.6% better PassMark. The compromise is that Core i9-9900KS is still the better pure gaming CPU with a 2.4% average FPS lead across 50 shared CPU game tests in our data. Core i9-9900KS is also 100.0% better value on MSRP (37.8 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 7 5800HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019) and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-9900KS vs Ryzen 7 5800HS Technical Specifications

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

Core i9-9900KS

The Core i9-9900KS is manufactured by Intel. It was released in 28 October 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 127 Watt. Memory support: DDR4. Passmark benchmark score: 19,397 points. Launch price was $513.

Ryzen 7 5800HS

The Ryzen 7 5800HS is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-HS (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 4.4 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 19,512 points. Launch price was $299.

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Processing Power

Both the Core i9-9900KS and Ryzen 7 5800HS share an identical 8-core/16-thread configuration. Boost clocks reach 5 GHz on the Core i9-9900KS versus 4.4 GHz on the Ryzen 7 5800HS — a 12.8% clock advantage for the Core i9-9900KS (base: 4 GHz vs 2.8 GHz). The Core i9-9900KS uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 7 5800HS uses Cezanne-HS (Zen 3) (2021) (7 nm). In PassMark, the Core i9-9900KS scores 19,397 against the Ryzen 7 5800HS's 19,512 — a 0.6% lead for the Ryzen 7 5800HS. Both processors carry 16 MB (total) of L3 cache.

Feature	Core i9-9900KS	Ryzen 7 5800HS
Cores / Threads	8 / 16	8 / 16
Boost Clock	5 GHz+14%	4.4 GHz
Base Clock	4 GHz+43%	2.8 GHz
L3 Cache	16 MB (total)	16 MB (total)
L2 Cache	256 kB (per core)	512K (per core)+100%
Process	14 nm	7 nm-50%
Architecture	Coffee Lake-R (2018−2019)	Cezanne-HS (Zen 3) (2021)
PassMark	19,397	19,512

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Memory & Platform

The Core i9-9900KS uses the LGA1151 socket (PCIe 4.0), while the Ryzen 7 5800HS uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard.