Core i9-9900KS vs Ryzen 7 5800HS

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 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.

Core i9-9900KS

2019

Ryzen 7 5800HS

2021

Why buy it

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

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.

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

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

Ryzen 7 5800HS is the more future-proof choice 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 should age better as games, background tasks, and creator workloads get heavier.

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 i9-9900KS Benchmark Check

Ryzen 7 5800HS Benchmark Check

Path of Exile 2

Preset	Core i9-9900KS	Ryzen 7 5800HS
1080p
low	301 FPS	183 FPS
medium	273 FPS	150 FPS
high	228 FPS	121 FPS
ultra	180 FPS	99 FPS
1440p
low	266 FPS	155 FPS
medium	218 FPS	125 FPS
high	177 FPS	101 FPS
ultra	142 FPS	82 FPS
4K
low	168 FPS	87 FPS
medium	139 FPS	76 FPS
high	107 FPS	60 FPS
ultra	93 FPS	47 FPS

Open Core i9-9900KS Open Ryzen 7 5800HS

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-9900KS	Ryzen 7 5800HS
1080p
low	449 FPS	488 FPS
medium	369 FPS	421 FPS
high	322 FPS	361 FPS
ultra	286 FPS	315 FPS
1440p
low	397 FPS	457 FPS
medium	344 FPS	381 FPS
high	298 FPS	331 FPS
ultra	255 FPS	279 FPS
4K
low	267 FPS	326 FPS
medium	238 FPS	280 FPS
high	226 FPS	256 FPS
ultra	192 FPS	221 FPS

Open Core i9-9900KS Open Ryzen 7 5800HS

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-9900KS	Ryzen 7 5800HS
1080p
low	485 FPS	488 FPS
medium	485 FPS	488 FPS
high	485 FPS	488 FPS
ultra	429 FPS	488 FPS
1440p
low	485 FPS	488 FPS
medium	485 FPS	488 FPS
high	454 FPS	486 FPS
ultra	373 FPS	430 FPS
4K
low	462 FPS	469 FPS
medium	401 FPS	397 FPS
high	351 FPS	349 FPS
ultra	283 FPS	284 FPS

Open Core i9-9900KS Open Ryzen 7 5800HS

League of Legends

League of Legends

Valorant

Preset	Core i9-9900KS	Ryzen 7 5800HS
1080p
low	485 FPS	488 FPS
medium	485 FPS	488 FPS
high	485 FPS	488 FPS
ultra	485 FPS	488 FPS
1440p
low	485 FPS	488 FPS
medium	485 FPS	488 FPS
high	485 FPS	488 FPS
ultra	485 FPS	440 FPS
4K
low	485 FPS	473 FPS
medium	485 FPS	422 FPS
high	440 FPS	370 FPS
ultra	380 FPS	315 FPS

Open Core i9-9900KS Open Ryzen 7 5800HS

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-9900KS and Ryzen 7 5800HS

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.