Core i5-11600K vs Core i9-10900E

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.

Core i5-11600K vs Core i9-10900E FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i5-11600K vs Core i9-10900E: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-11600K

2021

Why buy it

✅Better for gaming: +13.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $226 less on MSRP ($262 MSRP vs $488 MSRP).
✅Delivers 88.1% more PassMark for each dollar spent, at 74.5 vs 39.6 PassMark/$ ($262 MSRP vs $488 MSRP).
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (12 MB vs 20 MB).
❌92.3% higher power demand at 125W vs 65W.

Core i9-10900E

2020

Why buy it

✅+66.7% larger total L3 cache (20 MB vs 12 MB).
✅Draws 65W instead of 125W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-11600K across 50 shared CPU benchmark tests.
❌Lower PassMark (19,332 vs 19,520).
❌Lower PassMark per dollar, at 39.6 vs 74.5 PassMark/$ ($488 MSRP vs $262 MSRP).

Quick Answers

So, is Core i5-11600K better than Core i9-10900E?

Yes. Core i5-11600K is the better all-around CPU here. It gives you a 13.6% average FPS lead across 50 shared CPU game tests in our data, 1% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-11600K is the better pick. According to our tests, it delivers 13.6% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i5-11600K is the stronger fit. You are getting 1% better PassMark, backed by 6 cores and 12 threads.

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

Core i5-11600K is the better buy right now. Core i5-11600K comes in $226 cheaper on MSRP at $262 MSRP versus $488 MSRP, and it still gives you a 13.6% average FPS lead across 50 shared CPU game tests in our data. It is also 88.1% better value on MSRP (74.5 vs 39.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-11600K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020) and more multi-core headroom with 6 cores / 12 threads instead of 10/20. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-11600K vs Core i9-10900E Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i5-11600K

The Core i5-11600K is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.9 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: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 19,520 points. Launch price was $299.

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 i5-11600K packs 6 cores / 12 threads, while the Core i9-10900E offers 10 cores / 20 threads — the Core i9-10900E has 4 more cores. Boost clocks reach 4.9 GHz on the Core i5-11600K versus 4.7 GHz on the Core i9-10900E — a 4.2% clock advantage for the Core i5-11600K (base: 3.9 GHz vs 2.8 GHz). The Core i5-11600K uses the Rocket Lake (2021) architecture (14 nm), while the Core i9-10900E uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i5-11600K scores 19,520 against the Core i9-10900E's 19,332 — a 1% lead for the Core i5-11600K. L3 cache: 12 MB (total) on the Core i5-11600K vs 20 MB (total) on the Core i9-10900E.

Feature	Core i5-11600K	Core i9-10900E
Cores / Threads	6 / 12	10 / 20+67%
Boost Clock	4.9 GHz+4%	4.7 GHz
Base Clock	3.9 GHz+39%	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	Rocket Lake (2021)	Comet Lake (2020−2025)
PassMark	19,520	19,332

🧠

Memory & Platform

Both processors use the LGA1200 socket with PCIe 4.0. Maximum memory speed reaches DDR4-3200 on the Core i5-11600K versus DDR4-2933 on the Core i9-10900E — the Core i5-11600K supports 9.1% 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: 20 (Core i5-11600K) vs 16 (Core i9-10900E) — the Core i5-11600K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 500 series,Intel 400 series (Core i5-11600K) and LGA1200 (Core i9-10900E).

Feature	Core i5-11600K	Core i9-10900E
Socket	LGA1200	LGA1200
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200+9%	DDR4-2933
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	20+25%	16

🔧

Advanced Features

Only the Core i5-11600K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i5-11600K supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Both include integrated graphics — UHD Graphics 750 (Core i5-11600K) and UHD Graphics 630 (Core i9-10900E) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-11600K targets Desktop.

Feature	Core i5-11600K	Core i9-10900E
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 750	UHD Graphics 630
Unlocked	Yes	No
AVX-512	Yes	No
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Desktop	—

💰

Value Analysis

At launch, the Core i5-11600K was priced at $262, while the Core i9-10900E came in at $488. On launch pricing ($262 vs $488), Core i5-11600K was $226 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-11600K delivers 74.5 pts/$ vs 39.6 pts/$ for the Core i9-10900E — making the Core i5-11600K the 61.1% better value option.

Feature	Core i5-11600K	Core i9-10900E
MSRP	$262-46%	$488
Performance per Dollar	74.5+88%	39.6
Release Date	2021	2020

Search Core i5-11600K on Amazon

Search Core i9-10900E on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.