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

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Ryzen 7 5800U needs a discrete GPU.

Trade-offs

❌Lower PassMark (14,397 vs 18,067).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Launch MSRP is still $385 MSRP, while Ryzen 7 5800U mostly shows up through inconsistent older-market listings.
❌533.3% higher power demand at 95W vs 15W.

Ryzen 7 5800U

2021

Why buy it

✅+25.5% higher PassMark.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 15W instead of 95W, a 80W reduction.

Trade-offs

❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Core i7-9700K

2018

Ryzen 7 5800U

2021

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Ryzen 7 5800U needs a discrete GPU.

Why buy it

✅+25.5% higher PassMark.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 15W instead of 95W, a 80W reduction.

Trade-offs

❌Lower PassMark (14,397 vs 18,067).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Launch MSRP is still $385 MSRP, while Ryzen 7 5800U mostly shows up through inconsistent older-market listings.
❌533.3% higher power demand at 95W vs 15W.

Trade-offs

❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 5800U better than Core i7-9700K?

It depends on what matters more to you. For gaming, Core i7-9700K is ahead with a 0.2% average FPS lead across 5 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 5800U pulls ahead with 25.5% better PassMark. Ryzen 7 5800U also has the bigger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800U is the better fit. You are getting 25.5% better PassMark, backed by 8 cores and 16 threads. It also carries 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 7 5800U is the smarter buy by a wide margin for a fresh build. Ryzen 7 5800U is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you 25.5% better PassMark. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), 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 7 5800U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2018), 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 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 i7-9700K Benchmark Check

Ryzen 7 5800U Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Ryzen 7 5800U
1080p
low	308 FPS	174 FPS
medium	278 FPS	150 FPS
high	231 FPS	121 FPS
ultra	182 FPS	102 FPS
1440p
low	270 FPS	148 FPS
medium	221 FPS	125 FPS
high	178 FPS	101 FPS
ultra	143 FPS	85 FPS
4K
low	170 FPS	83 FPS
medium	140 FPS	76 FPS
high	108 FPS	61 FPS
ultra	95 FPS	47 FPS

Open Core i7-9700K Open Ryzen 7 5800U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Ryzen 7 5800U
1080p
low	360 FPS	237 FPS
medium	321 FPS	199 FPS
high	291 FPS	178 FPS
ultra	259 FPS	157 FPS
1440p
low	324 FPS	207 FPS
medium	282 FPS	181 FPS
high	258 FPS	164 FPS
ultra	225 FPS	140 FPS
4K
low	249 FPS	148 FPS
medium	221 FPS	133 FPS
high	208 FPS	127 FPS
ultra	179 FPS	110 FPS

Open Core i7-9700K Open Ryzen 7 5800U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Ryzen 7 5800U
1080p
low	360 FPS	452 FPS
medium	360 FPS	452 FPS
high	360 FPS	452 FPS
ultra	360 FPS	450 FPS
1440p
low	360 FPS	452 FPS
medium	360 FPS	452 FPS
high	360 FPS	411 FPS
ultra	360 FPS	346 FPS
4K
low	360 FPS	391 FPS
medium	360 FPS	333 FPS
high	360 FPS	292 FPS
ultra	318 FPS	232 FPS

Open Core i7-9700K Open Ryzen 7 5800U

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Ryzen 7 5800U
1080p
low	360 FPS	452 FPS
medium	360 FPS	452 FPS
high	360 FPS	452 FPS
ultra	360 FPS	452 FPS
1440p
low	360 FPS	452 FPS
medium	360 FPS	452 FPS
high	360 FPS	452 FPS
ultra	360 FPS	417 FPS
4K
low	360 FPS	446 FPS
medium	360 FPS	398 FPS
high	360 FPS	350 FPS
ultra	360 FPS	303 FPS

Open Core i7-9700K Open Ryzen 7 5800U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Ryzen 7 5800U

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 5800U

The Ryzen 7 5800U is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-U (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 1.9 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): 15 Watt. Memory support: DDR4. Passmark benchmark score: 18,067 points. Launch price was $299.

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Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Ryzen 7 5800U's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.4 GHz on the Ryzen 7 5800U — a 10.8% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 1.9 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 7 5800U uses Cezanne-U (Zen 3) (2021) (7 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 7 5800U's 18,067 — a 22.6% lead for the Ryzen 7 5800U. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Ryzen 7 5800U.

Feature	Core i7-9700K	Ryzen 7 5800U
Cores / Threads	8 / 8	8 / 16
Boost Clock	4.9 GHz+11%	4.4 GHz
Base Clock	3.6 GHz+89%	1.9 GHz
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)	512K (per core)+100%
Process	14 nm	7 nm-50%
Architecture	Coffee Lake-R (2018−2019)	Cezanne-U (Zen 3) (2021)
PassMark	14,397	18,067+25%

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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 7 5800U uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-9700K	Ryzen 7 5800U
Socket	LGA1151	FP6
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Ryzen 7 5800U). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Ryzen 7 5800U requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.