Intel Core i9 X-Series 9820X 10-core LGA2066

★★★★☆ 4.4 (139)

The 10-core, 20-thread design with a 4.1GHz boost clock and quad-channel DDR4-2666 memory support delivers strong parallel throughput for heavily threaded workloads. Its unlocked multiplier on the LGA 2066 socket allows for overclocking headroom, though the 165W TDP demands robust cooling. This processor is best for workstation users running sustained multi-threaded productivity tasks who need more PCIe lanes than mainstream platforms offer.

Cores 10
Threads 20
Boost Clock 4100 MHz
L3 Cache 17 MB
TDP 165 W
Socket LGA 2066
Intel Core i9 X-Series 9820X 10-core LGA2066 cpu
61 Overall Score

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Snapshot

Pros & Cons

Pros

  • Strong ai (80th percentile) 80th
  • Strong social proof (78th percentile) 78th
  • Strong platform (77th percentile) 77th
  • Strong multi thread (77th percentile) 77th

Cons

  • Below average user sentiment (22nd percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has held steady over time
72/100Our AI sentiment readlow confidence · 5 sources · Nov 2026
1★2★3★4★5★Q2 '19: 5.0★ · 2 reviewsQ3 '19: 5.0★ · 1 reviewQ4 '19: 5.0★ · 2 reviewsQ1 '20: 5.0★ · 5 reviewsQ3 '20: 1.0★ · 1 reviewQ1 '21: 5.0★ · 1 review212511Q2 '19Q3 '19Q4 '19Q1 '20Q3 '20Q1 '21
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 12 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

AI 79.8
Feature 62.4
Platform 77.1
User Sentiment 21.9
Efficiency 63.1
Multi Thread 76.8
Social Proof 78
Single Thread 69.1

Specifications

Full Specifications

Processor

Brand Intel
Series Core i9
Model 9820X
Codename Skylake
Class desktop
Process 14

Cores & Clocks

Cores 10
Threads 20
Base Clock 3300
Boost Clock 4100

Cache

L2 Cache 10
L3 Cache 17 MB

Performance

PassMark Multi 20533
PassMark Single 2456

Memory

Memory Type DDR4-2666
Max Speed 2666
Channels 4

Platform & Power

Socket LGA 2066
TDP 165
Unlocked Yes

vs Competition

Spec Intel Core i9 X-Series 9820X AMD Ryzen 7 9800X3D Dell Xeon E5-2637 V2 SMC EPYC 9555P CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor HP Xeon P67080-B21
Cores 10 8 32 64 24 16
Threads 20 16 64 128 48 32
Boost Clock Mhz 4100 5200 3500 4400 4000 3900
L3 Cache Mb 17 96 256 256 128 37.5
Tdp W 165 120 200 360 200 195
Socket LGA 2066 AM5 Socket A/Socket 462 (PGA 462) AMD Socket SP5 AMD Socket SP3 LGA 4677
Integrated Graphics - AMD Radeon Graphics No - - No
Compare Compare Compare Compare Compare
Product AIFeaturePlatformUser SentimentEfficiencyMulti ThreadSocial ProofSingle Thread
Intel Core i9 X-Series 9820X 79.862.477.121.963.176.87869.1
AMD Ryzen 7 9800X3D Compare 91.398.595.192.587.79096.595.7
Dell Xeon E5-2637 V2 Compare 99.190.776.3097.499.2089.3
SMC EPYC 9555P Compare 99.376.996.8090.899.5088.7
CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare 94.876.984.1083.894.536.480.2
HP Xeon P67080-B21 Compare 91.776.990.7078.290.9080.4

Usage Scores

Overall (61.2)AI/LLM (59.3)Budget (63.4)Gaming (58)Server (55)Efficiency (53.5)Productivity (67.7)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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