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 $103 less on MSRP ($385 MSRP vs $488 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-10900E across 3 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 19,332).
❌Smaller total L3 cache (12 MB vs 20 MB).
❌46.2% higher power demand at 95W vs 65W.

Core i9-10900E

2020

Why buy it

✅Better for gaming: +13.1% higher average FPS across 3 shared CPU benchmark tests.
✅+66.7% larger total L3 cache (20 MB vs 12 MB).
✅Draws 65W instead of 95W, a 30W reduction.

Trade-offs

❌
26.8% HIGHER MSRP
$488 MSRPvs$385 MSRP

Core i7-9700K

2018

Core i9-10900E

2020

Why buy it

✅Costs $103 less on MSRP ($385 MSRP vs $488 MSRP).

Why buy it

✅Better for gaming: +13.1% higher average FPS across 3 shared CPU benchmark tests.
✅+66.7% larger total L3 cache (20 MB vs 12 MB).
✅Draws 65W instead of 95W, a 30W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-10900E across 3 shared CPU benchmark tests.
❌Lower PassMark (14,397 vs 19,332).
❌Smaller total L3 cache (12 MB vs 20 MB).
❌46.2% higher power demand at 95W vs 65W.

Trade-offs

❌
26.8% HIGHER MSRP
$488 MSRPvs$385 MSRP

Quick Answers

So, is Core i9-10900E better than Core i7-9700K?

Yes. Core i9-10900E is the better overall CPU here. You are getting a 13.1% average FPS lead across 3 shared CPU game tests in our data, 34.3% 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 i9-10900E is the better pick here. According to our tests, it delivers 13.1% more average FPS across 3 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i9-10900E is the better fit. You are getting 34.3% better PassMark, backed by 10 cores and 20 threads. It also carries the larger cache pool with 66.7% larger total L3 cache (20 MB vs 12 MB).

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

Core i9-10900E is the smarter buy today. Core i9-10900E is 26.8% more expensive on MSRP at $488 MSRP versus $385 MSRP, and it gives you a 13.1% average FPS lead across 3 shared CPU game tests in our data. It is also 5.9% better value on MSRP (39.6 vs 37.4 PassMark/$), 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 i9-10900E is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2018), 66.7% larger total L3 cache (20 MB vs 12 MB), and more multi-core headroom with 10 cores / 20 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

Core i9-10900E Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Core i9-10900E
1080p
low	308 FPS	164 FPS
medium	278 FPS	145 FPS
high	231 FPS	118 FPS
ultra	182 FPS	99 FPS
1440p
low	270 FPS	139 FPS
medium	221 FPS	119 FPS
high	178 FPS	96 FPS
ultra	143 FPS	81 FPS
4K
low	170 FPS	76 FPS
medium	140 FPS	70 FPS
high	108 FPS	56 FPS
ultra	95 FPS	43 FPS

Open Core i7-9700K Open Core i9-10900E

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Core i9-10900E
1080p
low	360 FPS	483 FPS
medium	321 FPS	420 FPS
high	291 FPS	359 FPS
ultra	259 FPS	324 FPS
1440p
low	324 FPS	419 FPS
medium	282 FPS	368 FPS
high	258 FPS	317 FPS
ultra	225 FPS	276 FPS
4K
low	249 FPS	258 FPS
medium	221 FPS	227 FPS
high	208 FPS	213 FPS
ultra	179 FPS	185 FPS

Open Core i7-9700K Open Core i9-10900E

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Core i9-10900E
1080p
low	360 FPS	483 FPS
medium	360 FPS	483 FPS
high	360 FPS	483 FPS
ultra	360 FPS	449 FPS
1440p
low	360 FPS	483 FPS
medium	360 FPS	483 FPS
high	360 FPS	479 FPS
ultra	360 FPS	403 FPS
4K
low	360 FPS	483 FPS
medium	360 FPS	408 FPS
high	360 FPS	361 FPS
ultra	318 FPS	301 FPS

Open Core i7-9700K Open Core i9-10900E

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Core i9-10900E
1080p
low	360 FPS	483 FPS
medium	360 FPS	483 FPS
high	360 FPS	483 FPS
ultra	360 FPS	483 FPS
1440p
low	360 FPS	483 FPS
medium	360 FPS	483 FPS
high	360 FPS	483 FPS
ultra	360 FPS	483 FPS
4K
low	360 FPS	483 FPS
medium	360 FPS	483 FPS
high	360 FPS	445 FPS
ultra	360 FPS	389 FPS

Open Core i7-9700K Open Core i9-10900E

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Core i9-10900E

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 i9-10900E

The Core i9-10900E is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 4.7 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 19,332 points. Launch price was $488.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Core i9-10900E offers 10 cores / 20 threads — the Core i9-10900E has 2 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.7 GHz on the Core i9-10900E — a 4.2% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.8 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i9-10900E uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i9-10900E's 19,332 — a 29.3% lead for the Core i9-10900E. L3 cache: 12 MB (total) on the Core i7-9700K vs 20 MB (total) on the Core i9-10900E.

Feature	Core i7-9700K	Core i9-10900E
Cores / Threads	8 / 8	10 / 20+25%
Boost Clock	4.9 GHz+4%	4.7 GHz
Base Clock	3.6 GHz+29%	2.8 GHz
L3 Cache	12 MB (total)	20 MB (total)+67%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	Comet Lake (2020−2025)
PassMark	14,397	19,332+34%

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-10900E uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Intel 300 series (Core i7-9700K) and LGA1200 (Core i9-10900E).

Feature	Core i7-9700K	Core i9-10900E
Socket	LGA1151	LGA1200
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR4-2933
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

🔧

Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and UHD Graphics 630 (Core i9-10900E) — 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 i9-10900E
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	UHD Graphics 630
Unlocked	Yes	No
AVX-512	No	No
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	—

💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the Core i9-10900E debuted at $488. On MSRP ($385 vs $488), the Core i7-9700K is $103 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 39.6 pts/$ for the Core i9-10900E — making the Core i9-10900E the 5.8% better value option.