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 Core i9-12900HK across 4 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 25,512).
❌Smaller total L3 cache (12 MB vs 24 MB).
❌Launch MSRP is still $385 MSRP, while Core i9-12900HK mostly shows up through inconsistent older-market listings.
❌111.1% higher power demand at 95W vs 45W.

Core i9-12900HK

2022

Why buy it

✅Better for gaming: +43.6% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (24 MB vs 12 MB).
✅Draws 45W instead of 95W, a 50W reduction.
✅Newer platform on FCBGA1744 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

Core i9-12900HK

2022

Why buy it

✅Better for gaming: +43.6% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (24 MB vs 12 MB).
✅Draws 45W instead of 95W, a 50W reduction.
✅Newer platform on FCBGA1744 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 Core i9-12900HK across 4 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 25,512).
❌Smaller total L3 cache (12 MB vs 24 MB).
❌Launch MSRP is still $385 MSRP, while Core i9-12900HK mostly shows up through inconsistent older-market listings.
❌111.1% higher power demand at 95W vs 45W.

Trade-offs

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

Quick Answers

So, is Core i9-12900HK better than Core i7-9700K?

Yes. Core i9-12900HK is the better overall CPU here. You are getting a 43.6% average FPS lead across 4 shared CPU game tests in our data, 77.2% 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, Core i9-12900HK is the better pick here. According to our tests, it delivers 43.6% 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, Core i9-12900HK is the better fit. You are getting 77.2% better PassMark, backed by 14 cores and 20 threads. It also carries the larger cache pool with 100% larger total L3 cache (24 MB vs 12 MB).

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

Core i9-12900HK is the smarter buy by a wide margin for a fresh build. Core i9-12900HK is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you a 43.6% average FPS lead across 4 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), 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?

Core i9-12900HK is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2018), a healthier platform with FCBGA1744 and DDR5 instead of LGA1151, 100% larger total L3 cache (24 MB vs 12 MB), and more multi-core headroom with 14 cores / 20 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

Core i9-12900HK Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Core i9-12900HK
1080p
low	308 FPS	267 FPS
medium	278 FPS	257 FPS
high	231 FPS	213 FPS
ultra	182 FPS	183 FPS
1440p
low	270 FPS	229 FPS
medium	221 FPS	197 FPS
high	178 FPS	159 FPS
ultra	143 FPS	139 FPS
4K
low	170 FPS	159 FPS
medium	140 FPS	136 FPS
high	108 FPS	106 FPS
ultra	95 FPS	93 FPS

Open Core i7-9700K Open Core i9-12900HK

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Core i9-12900HK
1080p
low	360 FPS	635 FPS
medium	321 FPS	539 FPS
high	291 FPS	458 FPS
ultra	259 FPS	418 FPS
1440p
low	324 FPS	549 FPS
medium	282 FPS	486 FPS
high	258 FPS	414 FPS
ultra	225 FPS	357 FPS
4K
low	249 FPS	324 FPS
medium	221 FPS	291 FPS
high	208 FPS	277 FPS
ultra	179 FPS	243 FPS

Open Core i7-9700K Open Core i9-12900HK

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Core i9-12900HK
1080p
low	360 FPS	638 FPS
medium	360 FPS	616 FPS
high	360 FPS	545 FPS
ultra	360 FPS	462 FPS
1440p
low	360 FPS	638 FPS
medium	360 FPS	554 FPS
high	360 FPS	485 FPS
ultra	360 FPS	416 FPS
4K
low	360 FPS	498 FPS
medium	360 FPS	416 FPS
high	360 FPS	373 FPS
ultra	318 FPS	314 FPS

Open Core i7-9700K Open Core i9-12900HK

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Core i9-12900HK
1080p
low	360 FPS	638 FPS
medium	360 FPS	638 FPS
high	360 FPS	638 FPS
ultra	360 FPS	604 FPS
1440p
low	360 FPS	638 FPS
medium	360 FPS	638 FPS
high	360 FPS	572 FPS
ultra	360 FPS	498 FPS
4K
low	360 FPS	525 FPS
medium	360 FPS	476 FPS
high	360 FPS	423 FPS
ultra	360 FPS	368 FPS

Open Core i7-9700K Open Core i9-12900HK

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Core i9-12900HK

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.

Core i9-12900HK

The Core i9-12900HK is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-H (2022) architecture. It features 14 cores and 20 threads. Base frequency is 2.5 GHz, with boost up to 5 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 25,512 points. Launch price was $299.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Core i9-12900HK offers 14 cores / 20 threads — the Core i9-12900HK has 6 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5 GHz on the Core i9-12900HK — a 2% clock advantage for the Core i9-12900HK (base: 3.6 GHz vs 2.5 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i9-12900HK uses Alder Lake-H (2022) (Intel 7 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i9-12900HK's 25,512 — a 55.7% lead for the Core i9-12900HK. L3 cache: 12 MB (total) on the Core i7-9700K vs 24 MB (total) on the Core i9-12900HK.

Feature	Core i7-9700K	Core i9-12900HK
Cores / Threads	8 / 8	14 / 20+75%
Boost Clock	4.9 GHz	5 GHz+2%
Base Clock	3.6 GHz+44%	2.5 GHz
L3 Cache	12 MB (total)	24 MB (total)+100%
L2 Cache	256K (per core)	1.25 MB (per core)+400%
Process	14 nm	Intel 7 nm-50%
Architecture	Coffee Lake-R (2018−2019)	Alder Lake-H (2022)
PassMark	14,397	25,512+77%
Cinebench R23 Multi	—	18,197
Geekbench 6 Single	—	1,938
Geekbench 6 Multi	—	13,317

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-12900HK uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR5-4800, DDR4-3200 on the Core i9-12900HK — the Core i9-12900HK 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 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-9700K) vs 28 (Core i9-12900HK) — the Core i9-12900HK offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and BGA1744 (Core i9-12900HK).

Feature	Core i7-9700K	Core i9-12900HK
Socket	LGA1151	FCBGA1744
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-4800, DDR4-3200+25%
Max RAM Capacity	128 GB+100%	64 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	28+75%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d (Core i7-9700K) vs VT-x, VT-d, EPT (Core i9-12900HK). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Iris Xe Graphics G7 (96EUs) (Core i9-12900HK) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Core i9-12900HK targets Enthusiast Gaming Laptop. Direct competitor: Core i9-12900HK rivals Ryzen 9 6900HX.

Feature	Core i7-9700K	Core i9-12900HK
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Iris Xe Graphics G7 (96EUs)
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	Desktop	Enthusiast Gaming Laptop