Core i9-9820X vs Xeon Gold 6226

Intel

Core i9-9820X

10 Cores20 Thrd165 WWMax: 4.2 GHz2018

Popular choices:

VS
Intel

Xeon Gold 6226

12 Cores24 Thrd125 WWMax: 3.7 GHz2019

Popular choices:

Performance Spectrum - CPU

About PassMark

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 i9-9820X

2018

Why buy it

  • 100+% more PCIe lanes (44 vs 0) for storage and expansion-heavy builds.
  • AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

  • Worse for gaming: lower average FPS than Xeon Gold 6226 across 4 shared CPU benchmark tests.
  • Lower PassMark (20,456 vs 20,619).
  • Less compelling for workstation-style loads than Xeon Gold 6226, which brings 12 cores / 24 threads.
  • Launch MSRP is still $889 MSRP, while Xeon Gold 6226 mostly shows up through inconsistent older-market listings.
  • 32% higher power demand at 165W vs 125W.

Xeon Gold 6226

2019

Why buy it

  • Better for gaming: +5.5% higher average FPS across 4 shared CPU benchmark tests.
  • Better for workstations and heavier parallel workloads: 12 cores / 24 threads.
  • Draws 125W instead of 165W, a 40W reduction.

Trade-offs

  • No AVX-512 support for niche heavy compute workloads where it can matter.

Quick Answers

So, is Xeon Gold 6226 better than Core i9-9820X?
Not in a simple one-size-fits-all way. Xeon Gold 6226 makes more sense for workstation-style multi-core throughput, while Core i9-9820X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
Which one is better for gaming?
If gaming is the priority, Xeon Gold 6226 is the better pick here. According to our tests, it delivers 5.5% more average FPS across 4 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Gold 6226 is the better fit. You are getting 0.8% better PassMark, backed by 12 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon Gold 6226 is the smarter buy by a wide margin for a fresh build. Xeon Gold 6226 is at an unclear MSRP at unclear MSRP versus $889 MSRP, and it gives you a 5.5% average FPS lead across 4 shared CPU game tests in our data. Core i9-9820X only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (23.0 vs 0.0 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on LGA2066.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6226 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2018) and more multi-core headroom with 12 cores / 24 threads instead of 10/20. 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.

Path of Exile 2

Path of Exile 2

PresetCore i9-9820XXeon Gold 6226
1080p
low176 FPS177 FPS
medium140 FPS142 FPS
high114 FPS117 FPS
ultra91 FPS93 FPS
1440p
low145 FPS143 FPS
medium114 FPS113 FPS
high91 FPS91 FPS
ultra72 FPS72 FPS
4K
low67 FPS66 FPS
medium56 FPS56 FPS
high44 FPS44 FPS
ultra35 FPS35 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i9-9820XXeon Gold 6226
1080p
low327 FPS400 FPS
medium281 FPS346 FPS
high249 FPS288 FPS
ultra221 FPS242 FPS
1440p
low296 FPS346 FPS
medium259 FPS307 FPS
high228 FPS256 FPS
ultra198 FPS213 FPS
4K
low217 FPS224 FPS
medium194 FPS199 FPS
high179 FPS177 FPS
ultra156 FPS146 FPS
League of Legends

League of Legends

PresetCore i9-9820XXeon Gold 6226
1080p
low511 FPS515 FPS
medium511 FPS515 FPS
high511 FPS515 FPS
ultra471 FPS515 FPS
1440p
low511 FPS515 FPS
medium482 FPS515 FPS
high423 FPS515 FPS
ultra367 FPS512 FPS
4K
low433 FPS461 FPS
medium340 FPS361 FPS
high298 FPS321 FPS
ultra239 FPS261 FPS
Valorant

Valorant

PresetCore i9-9820XXeon Gold 6226
1080p
low511 FPS515 FPS
medium511 FPS515 FPS
high511 FPS515 FPS
ultra511 FPS515 FPS
1440p
low511 FPS515 FPS
medium511 FPS515 FPS
high511 FPS515 FPS
ultra502 FPS443 FPS
4K
low511 FPS468 FPS
medium480 FPS421 FPS
high426 FPS377 FPS
ultra367 FPS327 FPS

Technical Specifications

Side-by-side comparison of Core i9-9820X and Xeon Gold 6226

Intel

Core i9-9820X

The Core i9-9820X is manufactured by Intel. It was released in 19 October 2018 (7 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 4.2 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 20,456 points. Launch price was $898.

Intel

Xeon Gold 6226

The Xeon Gold 6226 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 12 cores and 24 threads. Base frequency is 2.7 GHz, with boost up to 3.7 GHz. L3 cache: 19.25 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 20,619 points. Launch price was $1,776.

Processing Power

The Core i9-9820X packs 10 cores / 20 threads, while the Xeon Gold 6226 offers 12 cores / 24 threads — the Xeon Gold 6226 has 2 more cores. Boost clocks reach 4.2 GHz on the Core i9-9820X versus 3.7 GHz on the Xeon Gold 6226 — a 12.7% clock advantage for the Core i9-9820X (base: 3.3 GHz vs 2.7 GHz). The Core i9-9820X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon Gold 6226 uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core i9-9820X scores 20,456 against the Xeon Gold 6226's 20,619 — a 0.8% lead for the Xeon Gold 6226. L3 cache: 16.5 MB (total) on the Core i9-9820X vs 19.25 MB on the Xeon Gold 6226.

FeatureCore i9-9820XXeon Gold 6226
Cores / Threads
10 / 20
12 / 24+20%
Boost Clock
4.2 GHz+14%
3.7 GHz
Base Clock
3.3 GHz+22%
2.7 GHz
L3 Cache
16.5 MB (total)
19.25 MB+17%
L2 Cache
1 MB (per core)
12 MB+1100%
Process
14 nm
14 nm
Architecture
Skylake (server) (2017−2018)
Cascade Lake (2019−2020)
PassMark
20,456
20,619
Geekbench 6 Single
1,394
Geekbench 6 Multi
9,361
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Memory & Platform

The Core i9-9820X uses the LGA2066 socket (PCIe 3.0), while the Xeon Gold 6226 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i9-9820XXeon Gold 6226
Socket
LGA2066
LGA3647
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4 2666 MHz
Max RAM Capacity
128 GB
RAM Channels
4
ECC Support
No
PCIe Lanes
44
🔧

Advanced Features

Virtualization: true (Core i9-9820X) / not specified (Xeon Gold 6226). Primary use case: Core i9-9820X targets Workstation.

FeatureCore i9-9820XXeon Gold 6226
Integrated GPU
No
Unlocked
Yes
AVX-512
Yes
Virtualization
true
Target Use
Workstation