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

✅Better for gaming: +11.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $614 less on MSRP ($385 MSRP vs $999 MSRP).
✅Delivers 78.7% more PassMark for each dollar spent, at 37.4 vs 20.9 PassMark/$ ($385 MSRP vs $999 MSRP).
✅Draws 95W instead of 140W, a 45W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Core i9-7900X needs a discrete GPU.

Trade-offs

❌Lower PassMark (14,397 vs 20,907).

Core i9-7900X

2017

Why buy it

✅+45.2% higher PassMark.
✅175% more PCIe lanes (44 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 20.9 vs 37.4 PassMark/$ ($999 MSRP vs $385 MSRP).
❌47.4% higher power demand at 140W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Core i7-9700K

2018

Core i9-7900X

2017

Why buy it

✅Better for gaming: +11.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $614 less on MSRP ($385 MSRP vs $999 MSRP).
✅Delivers 78.7% more PassMark for each dollar spent, at 37.4 vs 20.9 PassMark/$ ($385 MSRP vs $999 MSRP).
✅Draws 95W instead of 140W, a 45W reduction.
✅Integrated graphics onboard with UHD Graphics 630, while Core i9-7900X needs a discrete GPU.

Why buy it

✅+45.2% higher PassMark.
✅175% more PCIe lanes (44 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (14,397 vs 20,907).

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 20.9 vs 37.4 PassMark/$ ($999 MSRP vs $385 MSRP).
❌47.4% higher power demand at 140W vs 95W.
❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-9700K better than Core i9-7900X?

It depends on what matters more to you. For gaming, Core i7-9700K is ahead with a 11.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-7900X pulls ahead with 45.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i9-7900X is the better fit. You are getting 45.2% better PassMark, backed by 10 cores and 20 threads.

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

Core i7-9700K is the smarter buy today. Core i7-9700K is $614 cheaper on MSRP at $385 MSRP versus $999 MSRP, and it gives you a 11.1% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Core i9-7900X is still stronger for heavier multi-core work with 45.2% better PassMark. It is also 78.7% better value on MSRP (37.4 vs 20.9 PassMark/$), 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 i7-9700K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2017). That makes it the safer long-term pick.

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 i9-7900X Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Core i9-7900X
1080p
low	308 FPS	178 FPS
medium	278 FPS	142 FPS
high	231 FPS	114 FPS
ultra	182 FPS	94 FPS
1440p
low	270 FPS	150 FPS
medium	221 FPS	117 FPS
high	178 FPS	94 FPS
ultra	143 FPS	78 FPS
4K
low	170 FPS	82 FPS
medium	140 FPS	69 FPS
high	108 FPS	55 FPS
ultra	95 FPS	43 FPS

Open Core i7-9700K Open Core i9-7900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Core i9-7900X
1080p
low	360 FPS	332 FPS
medium	321 FPS	277 FPS
high	291 FPS	250 FPS
ultra	259 FPS	222 FPS
1440p
low	324 FPS	297 FPS
medium	282 FPS	253 FPS
high	258 FPS	230 FPS
ultra	225 FPS	200 FPS
4K
low	249 FPS	234 FPS
medium	221 FPS	203 FPS
high	208 FPS	189 FPS
ultra	179 FPS	163 FPS

Open Core i7-9700K Open Core i9-7900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Core i9-7900X
1080p
low	360 FPS	523 FPS
medium	360 FPS	523 FPS
high	360 FPS	523 FPS
ultra	360 FPS	461 FPS
1440p
low	360 FPS	523 FPS
medium	360 FPS	478 FPS
high	360 FPS	429 FPS
ultra	360 FPS	372 FPS
4K
low	360 FPS	429 FPS
medium	360 FPS	345 FPS
high	360 FPS	310 FPS
ultra	318 FPS	248 FPS

Open Core i7-9700K Open Core i9-7900X

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Core i9-7900X
1080p
low	360 FPS	523 FPS
medium	360 FPS	523 FPS
high	360 FPS	523 FPS
ultra	360 FPS	523 FPS
1440p
low	360 FPS	523 FPS
medium	360 FPS	523 FPS
high	360 FPS	523 FPS
ultra	360 FPS	523 FPS
4K
low	360 FPS	523 FPS
medium	360 FPS	523 FPS
high	360 FPS	484 FPS
ultra	360 FPS	423 FPS

Open Core i7-9700K Open Core i9-7900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Core i9-7900X

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 i9-7900X

The Core i9-7900X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 14 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 20,907 points. Launch price was $999.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Core i9-7900X offers 10 cores / 20 threads — the Core i9-7900X has 2 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.5 GHz on the Core i9-7900X — a 8.5% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 3.3 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i9-7900X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i9-7900X's 20,907 — a 36.9% lead for the Core i9-7900X. L3 cache: 12 MB (total) on the Core i7-9700K vs 14 MB (total) on the Core i9-7900X.

Feature	Core i7-9700K	Core i9-7900X
Cores / Threads	8 / 8	10 / 20+25%
Boost Clock	4.9 GHz+9%	4.5 GHz
Base Clock	3.6 GHz+9%	3.3 GHz
L3 Cache	12 MB (total)	14 MB (total)+17%
L2 Cache	256K (per core)	1 MB (per core)+300%
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Skylake (server) (2017−2018)
PassMark	14,397	20,907+45%
Geekbench 6 Single	—	1,323
Geekbench 6 Multi	—	8,536

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-7900X uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Memory channels: 2 (Core i7-9700K) vs 4 (Core i9-7900X). PCIe lanes: 16 (Core i7-9700K) vs 44 (Core i9-7900X) — the Core i9-7900X offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and X299 (Core i9-7900X).

Feature	Core i7-9700K	Core i9-7900X
Socket	LGA1151	LGA2011
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	DDR4-2666
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	4+100%
ECC Support	No	No
PCIe Lanes	16	44+175%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Core i9-7900X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Core i9-7900X requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Core i9-7900X targets High-End Desktop.

Feature	Core i7-9700K	Core i9-7900X
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 630	None
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	High-End Desktop

💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the Core i9-7900X debuted at $999. On MSRP ($385 vs $999), the Core i7-9700K is $614 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 20.9 pts/$ for the Core i9-7900X — making the Core i7-9700K the 56.5% better value option.