Core i9-11900K vs Xeon Gold 6242

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 i9-11900K

2021

Why buy it

✅Better for gaming: +11.7% higher average FPS across 15 shared CPU benchmark tests.
✅Draws 125W instead of 150W, a 25W reduction.

Trade-offs

❌Lower PassMark (24,990 vs 24,994).
❌Smaller total L3 cache (16 MB vs 22 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6242, which brings 16 cores / 32 threads.
❌Launch MSRP is still $539 MSRP, while Xeon Gold 6242 mostly shows up through inconsistent older-market listings.

Xeon Gold 6242

2019

Why buy it

✅+0% higher PassMark.
✅+37.5% larger total L3 cache (22 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900K across 15 shared CPU benchmark tests.
❌20% higher power demand at 150W vs 125W.

Core i9-11900K

2021

Xeon Gold 6242

2019

Why buy it

✅Better for gaming: +11.7% higher average FPS across 15 shared CPU benchmark tests.
✅Draws 125W instead of 150W, a 25W reduction.

Why buy it

✅+0% higher PassMark.
✅+37.5% larger total L3 cache (22 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Lower PassMark (24,990 vs 24,994).
❌Smaller total L3 cache (16 MB vs 22 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6242, which brings 16 cores / 32 threads.
❌Launch MSRP is still $539 MSRP, while Xeon Gold 6242 mostly shows up through inconsistent older-market listings.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900K across 15 shared CPU benchmark tests.
❌20% higher power demand at 150W vs 125W.

Quick Answers

So, is Core i9-11900K better than Xeon Gold 6242?

Not in a simple one-size-fits-all way. Xeon Gold 6242 makes more sense for workstation-style multi-core throughput, while Core i9-11900K is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, Xeon Gold 6242 is the better fit. You are getting 0% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 37.5% larger total L3 cache (22 MB vs 16 MB).

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

Core i9-11900K is the smarter buy today. Core i9-11900K is at an unclear MSRP at $539 MSRP versus unclear MSRP, and it gives you a 11.7% average FPS lead across 15 shared CPU game tests in our data. The trade-off is that Xeon Gold 6242 is still stronger for heavier multi-core work with 0% better PassMark. It is also 100.0% better value on MSRP (46.4 vs 0.0 PassMark/$), 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 i9-11900K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019). 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 i9-11900K Benchmark Check

Xeon Gold 6242 Benchmark Check

Path of Exile 2

Preset	Core i9-11900K	Xeon Gold 6242
1080p
low	259 FPS	184 FPS
medium	240 FPS	148 FPS
high	201 FPS	120 FPS
ultra	173 FPS	93 FPS
1440p
low	225 FPS	146 FPS
medium	188 FPS	114 FPS
high	152 FPS	92 FPS
ultra	134 FPS	72 FPS
4K
low	154 FPS	68 FPS
medium	129 FPS	57 FPS
high	99 FPS	45 FPS
ultra	88 FPS	36 FPS

Open Core i9-11900K Open Xeon Gold 6242

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-11900K	Xeon Gold 6242
1080p
low	420 FPS	400 FPS
medium	353 FPS	346 FPS
high	314 FPS	288 FPS
ultra	283 FPS	242 FPS
1440p
low	373 FPS	346 FPS
medium	324 FPS	307 FPS
high	287 FPS	256 FPS
ultra	249 FPS	213 FPS
4K
low	249 FPS	224 FPS
medium	223 FPS	199 FPS
high	216 FPS	177 FPS
ultra	184 FPS	146 FPS

Open Core i9-11900K Open Xeon Gold 6242

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-11900K	Xeon Gold 6242
1080p
low	625 FPS	625 FPS
medium	536 FPS	625 FPS
high	460 FPS	625 FPS
ultra	398 FPS	625 FPS
1440p
low	598 FPS	625 FPS
medium	497 FPS	612 FPS
high	421 FPS	580 FPS
ultra	366 FPS	512 FPS
4K
low	427 FPS	462 FPS
medium	370 FPS	361 FPS
high	330 FPS	322 FPS
ultra	280 FPS	261 FPS

Open Core i9-11900K Open Xeon Gold 6242

League of Legends

League of Legends

Valorant

Preset	Core i9-11900K	Xeon Gold 6242
1080p
low	625 FPS	625 FPS
medium	625 FPS	625 FPS
high	625 FPS	625 FPS
ultra	625 FPS	576 FPS
1440p
low	625 FPS	625 FPS
medium	625 FPS	598 FPS
high	625 FPS	517 FPS
ultra	625 FPS	444 FPS
4K
low	625 FPS	468 FPS
medium	576 FPS	421 FPS
high	515 FPS	377 FPS
ultra	437 FPS	328 FPS

Open Core i9-11900K Open Xeon Gold 6242

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-11900K and Xeon Gold 6242

Core i9-11900K

The Core i9-11900K 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 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 24,990 points. Launch price was $539.

Xeon Gold 6242

The Xeon Gold 6242 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 16 cores and 32 threads. Base frequency is 2.8 GHz, with boost up to 3.9 GHz. L3 cache: 22 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2933. Passmark benchmark score: 24,994 points. Launch price was $2,529.

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Processing Power

The Core i9-11900K packs 8 cores / 16 threads, while the Xeon Gold 6242 offers 16 cores / 32 threads — the Xeon Gold 6242 has 8 more cores. Boost clocks reach 5.2 GHz on the Core i9-11900K versus 3.9 GHz on the Xeon Gold 6242 — a 28.6% clock advantage for the Core i9-11900K (base: 3.5 GHz vs 2.8 GHz). The Core i9-11900K uses the Rocket Lake (2021) architecture (14 nm), while the Xeon Gold 6242 uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i9-11900K scores 24,990 against the Xeon Gold 6242's 24,994 — a 0% lead for the Xeon Gold 6242. L3 cache: 16 MB (total) on the Core i9-11900K vs 22 MB on the Xeon Gold 6242.

Feature	Core i9-11900K	Xeon Gold 6242
Cores / Threads	8 / 16	16 / 32+100%
Boost Clock	5.2 GHz+33%	3.9 GHz
Base Clock	3.5 GHz+25%	2.8 GHz
L3 Cache	16 MB (total)	22 MB+38%
L2 Cache	512 kB (per core)	16 MB+3100%
Process	14 nm	14 nm
Architecture	Rocket Lake (2021)	Cascade Lake (2019−2020)
PassMark	24,990	24,994

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Memory & Platform

The Core i9-11900K uses the LGA1200 socket (PCIe 4.0), while the Xeon Gold 6242 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.