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 7 7840S across 4 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 23,290).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Launch MSRP is still $385 MSRP, while Ryzen 7 7840S mostly shows up through inconsistent older-market listings.
❌1087.5% higher power demand at 95W vs 8W.

Ryzen 7 7840S

2023

Why buy it

✅Better for gaming: +40.1% higher average FPS across 4 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 8W instead of 95W, a 87W reduction.
✅Newer platform on FP7/FP7r2/FP8 with DDR5 support instead of LGA1151 and DDR4.
✅25% more PCIe lanes (20 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 7 7840S

2023

Why buy it

✅Better for gaming: +40.1% higher average FPS across 4 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 8W instead of 95W, a 87W reduction.
✅Newer platform on FP7/FP7r2/FP8 with DDR5 support instead of LGA1151 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7840S across 4 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 23,290).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Launch MSRP is still $385 MSRP, while Ryzen 7 7840S mostly shows up through inconsistent older-market listings.
❌1087.5% higher power demand at 95W vs 8W.

Trade-offs

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

Quick Answers

So, is Ryzen 7 7840S better than Core i7-9700K?

Yes. Ryzen 7 7840S is the better overall CPU here. You are getting a 40.1% average FPS lead across 4 shared CPU game tests in our data, 61.8% 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 7 7840S is the better pick here. According to our tests, it delivers 40.1% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7840S is the better fit. You are getting 61.8% 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 7840S is the smarter buy by a wide margin for a fresh build. Ryzen 7 7840S is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you a 40.1% average FPS lead across 4 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), 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 7 7840S is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with FP7/FP7r2/FP8 and DDR5 instead of LGA1151, 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 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 7 7840S Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Ryzen 7 7840S
1080p
low	308 FPS	269 FPS
medium	278 FPS	243 FPS
high	231 FPS	204 FPS
ultra	182 FPS	176 FPS
1440p
low	270 FPS	236 FPS
medium	221 FPS	193 FPS
high	178 FPS	157 FPS
ultra	143 FPS	139 FPS
4K
low	170 FPS	164 FPS
medium	140 FPS	136 FPS
high	108 FPS	105 FPS
ultra	95 FPS	92 FPS

Open Core i7-9700K Open Ryzen 7 7840S

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Ryzen 7 7840S
1080p
low	360 FPS	509 FPS
medium	321 FPS	419 FPS
high	291 FPS	361 FPS
ultra	259 FPS	322 FPS
1440p
low	324 FPS	445 FPS
medium	282 FPS	386 FPS
high	258 FPS	332 FPS
ultra	225 FPS	283 FPS
4K
low	249 FPS	293 FPS
medium	221 FPS	266 FPS
high	208 FPS	251 FPS
ultra	179 FPS	216 FPS

Open Core i7-9700K Open Ryzen 7 7840S

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Ryzen 7 7840S
1080p
low	360 FPS	582 FPS
medium	360 FPS	582 FPS
high	360 FPS	582 FPS
ultra	360 FPS	546 FPS
1440p
low	360 FPS	582 FPS
medium	360 FPS	582 FPS
high	360 FPS	541 FPS
ultra	360 FPS	464 FPS
4K
low	360 FPS	541 FPS
medium	360 FPS	473 FPS
high	360 FPS	419 FPS
ultra	318 FPS	355 FPS

Open Core i7-9700K Open Ryzen 7 7840S

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Ryzen 7 7840S
1080p
low	360 FPS	582 FPS
medium	360 FPS	582 FPS
high	360 FPS	582 FPS
ultra	360 FPS	582 FPS
1440p
low	360 FPS	582 FPS
medium	360 FPS	582 FPS
high	360 FPS	582 FPS
ultra	360 FPS	573 FPS
4K
low	360 FPS	572 FPS
medium	360 FPS	511 FPS
high	360 FPS	457 FPS
ultra	360 FPS	394 FPS

Open Core i7-9700K Open Ryzen 7 7840S

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Ryzen 7 7840S

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 7840S

The Ryzen 7 7840S is manufactured by AMD. It was released in 5 January 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP7r2/FP8. Thermal design power (TDP): 8 MB + 16 MB. Memory support: DDR5. Passmark benchmark score: 23,290 points. Launch price was $299.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, matching the Ryzen 7 7840S's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.1 GHz on the Ryzen 7 7840S — a 4% clock advantage for the Ryzen 7 7840S (base: 3.6 GHz vs 3.8 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 7 7840S uses Phoenix-HS (Zen 4) (2023) (4 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 7 7840S's 23,290 — a 47.2% lead for the Ryzen 7 7840S. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB on the Ryzen 7 7840S.

Feature	Core i7-9700K	Ryzen 7 7840S
Cores / Threads	8 / 8	8 / 16
Boost Clock	4.9 GHz	5.1 GHz+4%
Base Clock	3.6 GHz	3.8 GHz+6%
L3 Cache	12 MB (total)	16 MB+33%
L2 Cache	256K (per core)	8 MB+3100%
Process	14 nm	4 nm-71%
Architecture	Coffee Lake-R (2018−2019)	Phoenix-HS (Zen 4) (2023)
PassMark	14,397	23,290+62%
Cinebench R23 Multi	—	13,500
Geekbench 6 Single	—	2,570
Geekbench 6 Multi	—	13,535

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 7 7840S uses FP7/FP7r2/FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR5-5600, LPDDR5x-7500 on the Ryzen 7 7840S — the Ryzen 7 7840S supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7840S supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-9700K) vs 20 (Ryzen 7 7840S) — the Ryzen 7 7840S offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and SoC (Ryzen 7 7840S).

Feature	Core i7-9700K	Ryzen 7 7840S
Socket	LGA1151	FP7/FP7r2/FP8
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR5-5600, LPDDR5x-7500+25%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	20+25%

🔧

Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7840S supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-9700K) vs AMD-V (SVM) (Ryzen 7 7840S). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Radeon 780M (Ryzen 7 7840S) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Ryzen 7 7840S targets Gaming. Direct competitor: Ryzen 7 7840S rivals Core i7-1360P.