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

✅Costs $204 less on MSRP ($385 MSRP vs $589 MSRP).
✅Draws 95W instead of 125W, a 30W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-12900K across 2 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 41,180).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Lower PassMark per dollar, at 37.4 vs 69.9 PassMark/$ ($385 MSRP vs $589 MSRP).
❌Older platform position on LGA1151 with DDR4, while Core i9-12900K moves to LGA1700 and DDR5.

Core i9-12900K

2021

Why buy it

✅Better for gaming: +35.8% higher average FPS across 2 shared CPU benchmark tests.
✅+150% larger total L3 cache (30 MB vs 12 MB).
✅Delivers 87.0% more PassMark for each dollar spent, at 69.9 vs 37.4 PassMark/$ ($589 MSRP vs $385 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of LGA1151 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
53% HIGHER MSRP
$589 MSRPvs$385 MSRP
❌31.6% higher power demand at 125W vs 95W.

Core i7-9700K

2018

Core i9-12900K

2021

Why buy it

✅Costs $204 less on MSRP ($385 MSRP vs $589 MSRP).
✅Draws 95W instead of 125W, a 30W reduction.

Why buy it

✅Better for gaming: +35.8% higher average FPS across 2 shared CPU benchmark tests.
✅+150% larger total L3 cache (30 MB vs 12 MB).
✅Delivers 87.0% more PassMark for each dollar spent, at 69.9 vs 37.4 PassMark/$ ($589 MSRP vs $385 MSRP).
✅Newer platform on LGA1700 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 Core i9-12900K across 2 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 41,180).
❌Smaller total L3 cache (12 MB vs 30 MB).
❌Lower PassMark per dollar, at 37.4 vs 69.9 PassMark/$ ($385 MSRP vs $589 MSRP).
❌Older platform position on LGA1151 with DDR4, while Core i9-12900K moves to LGA1700 and DDR5.

Trade-offs

❌
53% HIGHER MSRP
$589 MSRPvs$385 MSRP
❌31.6% higher power demand at 125W vs 95W.

Quick Answers

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

Yes. Core i9-12900K is the better overall CPU here. You are getting a 35.8% average FPS lead across 2 shared CPU game tests in our data, 186% 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 i9-12900K is the better pick here. According to our tests, it delivers 35.8% more average FPS across 2 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i9-12900K is the better fit. You are getting 186% better PassMark, backed by 16 cores and 24 threads. It also carries the larger cache pool with 150% larger total L3 cache (30 MB vs 12 MB).

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

Core i9-12900K is the smarter buy today. Core i9-12900K is 53.0% more expensive on MSRP at $589 MSRP versus $385 MSRP, and it gives you a 35.8% average FPS lead across 2 shared CPU game tests in our data. It is also 87.0% better value on MSRP (69.9 vs 37.4 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Core i9-12900K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2018), a healthier platform with LGA1700 and DDR5 instead of LGA1151, 150% larger total L3 cache (30 MB vs 12 MB), and more multi-core headroom with 16 cores / 24 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 i9-12900K Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Core i9-12900K
1080p
low	308 FPS	272 FPS
medium	278 FPS	261 FPS
high	231 FPS	215 FPS
ultra	182 FPS	185 FPS
1440p
low	270 FPS	233 FPS
medium	221 FPS	199 FPS
high	178 FPS	159 FPS
ultra	143 FPS	140 FPS
4K
low	170 FPS	160 FPS
medium	140 FPS	137 FPS
high	108 FPS	106 FPS
ultra	95 FPS	94 FPS

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

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Core i9-12900K
1080p
low	360 FPS	636 FPS
medium	321 FPS	540 FPS
high	291 FPS	452 FPS
ultra	259 FPS	414 FPS
1440p
low	324 FPS	545 FPS
medium	282 FPS	482 FPS
high	258 FPS	407 FPS
ultra	225 FPS	353 FPS
4K
low	249 FPS	321 FPS
medium	221 FPS	290 FPS
high	208 FPS	275 FPS
ultra	179 FPS	244 FPS

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

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Core i9-12900K
1080p
low	360 FPS	776 FPS
medium	360 FPS	620 FPS
high	360 FPS	541 FPS
ultra	360 FPS	460 FPS
1440p
low	360 FPS	692 FPS
medium	360 FPS	560 FPS
high	360 FPS	484 FPS
ultra	360 FPS	414 FPS
4K
low	360 FPS	499 FPS
medium	360 FPS	418 FPS
high	360 FPS	379 FPS
ultra	318 FPS	320 FPS

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

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Core i9-12900K
1080p
low	360 FPS	900 FPS
medium	360 FPS	817 FPS
high	360 FPS	706 FPS
ultra	360 FPS	637 FPS
1440p
low	360 FPS	778 FPS
medium	360 FPS	693 FPS
high	360 FPS	598 FPS
ultra	360 FPS	529 FPS
4K
low	360 FPS	534 FPS
medium	360 FPS	483 FPS
high	360 FPS	432 FPS
ultra	360 FPS	378 FPS

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

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

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 i9-12900K

The Core i9-12900K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 16 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 41,180 points. Launch price was $589.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Core i9-12900K offers 16 cores / 24 threads — the Core i9-12900K has 8 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.2 GHz on the Core i9-12900K — a 5.9% clock advantage for the Core i9-12900K (base: 3.6 GHz vs 3.2 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i9-12900K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i9-12900K's 41,180 — a 96.4% lead for the Core i9-12900K. L3 cache: 12 MB (total) on the Core i7-9700K vs 30 MB (total) on the Core i9-12900K.

Feature	Core i7-9700K	Core i9-12900K
Cores / Threads	8 / 8	16 / 24+100%
Boost Clock	4.9 GHz	5.2 GHz+6%
Base Clock	3.6 GHz+12%	3.2 GHz
L3 Cache	12 MB (total)	30 MB (total)+150%
L2 Cache	256K (per core)	1.25 MB (per core)+400%
Process	14 nm	10 nm-29%
Architecture	Coffee Lake-R (2018−2019)	Alder Lake, Golden Cove, Gracemont (2021)
PassMark	14,397	41,180+186%

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-12900K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR5-4800 on the Core i9-12900K — the Core i9-12900K supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-9700K) vs 20 (Core i9-12900K) — the Core i9-12900K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and Intel 600 series,Intel 700 series (Core i9-12900K).

Feature	Core i7-9700K	Core i9-12900K
Socket	LGA1151	LGA1700
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-4800+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	20+25%

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Core i9-12900K). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Intel UHD Graphics 770 (Core i9-12900K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

Feature	Core i7-9700K	Core i9-12900K
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Intel UHD Graphics 770
Unlocked	Yes	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Desktop	—

💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the Core i9-12900K debuted at $589. On MSRP ($385 vs $589), the Core i7-9700K is $204 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 69.9 pts/$ for the Core i9-12900K — making the Core i9-12900K the 60.6% better value option.