Xeon Gold 6143 vs Core i9-11900KF

Xeon Gold 6143

16 Cores32 Thrd205 WWMax: 4 GHz2017

Core i9-11900KF

8 Cores16 Thrd125 WWMax: 5.2 GHz2021

Performance Spectrum - CPU

Xeon Gold 6143

16 / 32

24,786

+0.8%

24,585

0.0%

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Xeon Gold 6143

#97

Xeon Silver 4314

MSRP: $395|Avg: $395

102%

#98

Xeon W-1350

MSRP: $255|Avg: $255

101%

#99

Xeon W-1370P

MSRP: $323|Avg: $323

101%

#106

Xeon Gold 6143

MSRP: $342|Avg: $342

100%

#115

Xeon W-1370

MSRP: $323|Avg: $323

98%

#119

Xeon 6505P

MSRP: $563|Avg: $563

96%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i9-11900KF

#264

Processor 300T

MSRP: $82|Avg: $82

105%

#265

Athlon 3000G

MSRP: $49|Avg: $60

105%

#266

Athlon 220GE

MSRP: $65|Avg: $60

105%

#267

Ryzen 9 3900X

MSRP: $499|Avg: $441

105%

#268

Core i5-10500

MSRP: $200|Avg: $178

104%

#269

Celeron G6900T

MSRP: $42|Avg: $50

104%

#270

Core i9-10850K

MSRP: $453|Avg: $300

104%

#271

Core i9-13900E

MSRP: $554|Avg: $554

104%

#272

Core i9-9820X

MSRP: $889|Avg: $280

104%

#273

Core i9-9900X

MSRP: $989|Avg: $300

102%

#274

Ryzen 7 1800X

MSRP: $499|Avg: $120

46%

#274

Core i7-9700K

MSRP: $385|Avg: $200

102%

#275

Core i3-10320

MSRP: $154|Avg: $140

101%

#276

Core i5-9600KF

MSRP: $262|Avg: $150

101%

#277

Ryzen 3 PRO 5355GE

MSRP: $180|Avg: $180

101%

#278

Ryzen Threadripper 1900X

MSRP: $549|Avg: $116

44%

#278

Core i7-14701TE

MSRP: $392|Avg: $390

100%

#279

Core i9-11900KF

MSRP: $513|Avg: $349

100%

#279

Ryzen Threadripper 1920X

MSRP: $799|Avg: $265

41%

#280

Core i7-7820X

MSRP: $599|Avg: $198

41%

#280

Athlon Silver 3050GE

MSRP: $75|Avg: $65

99%

#281

Core i7-9700E

MSRP: $259|Avg: $180

99%

#282

Core i7-11700K

MSRP: $399|Avg: $350

99%

#283

Ryzen 7 PRO 3700

MSRP: $329|Avg: $330

98%

#283

Ryzen Threadripper 1920

MSRP: $799|Avg: $200

39%

#284

Core i7-14701E

MSRP: $392|Avg: $380

98%

#284

Ryzen Threadripper 1950X

MSRP: $999|Avg: $300

39%

#285

Core i5-10400

MSRP: $182|Avg: $175

97%

#286

Core i3-12100

MSRP: $122|Avg: $180

97%

#287

Core Ultra 9 285T

MSRP: $549|Avg: $549

95%

#288

Ryzen Threadripper 1950

MSRP: $999|Avg: $300

31%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($342) and a Consumer Desktop CPU. The Xeon Gold 6143 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Xeon Gold 6143	Core i9-11900KF
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($342)	⚠️ Higher cost ($349)
Longevity	✨ Modern (Legacy / 14 nm)	✨ Modern (Rocket Lake (2021) / 14 nm)

💎 Value Proposition

The Core i9-11900KF ($349), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($7 less, 2% cheaper), making it the better choice for daily use and gaming.

Insight	Xeon Gold 6143	Core i9-11900KF
Cost Efficiency	✅ Better overall value (+3%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($342)	⚠️ Higher cost ($349)

Performance Check

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.

Xeon Gold 6143 Benchmark Check

Core i9-11900KF Benchmark Check

Technical Specifications

Side-by-side comparison of Xeon Gold 6143 and Core i9-11900KF

Xeon Gold 6143

The Xeon Gold 6143 is manufactured by Intel. It was released in 2015-01-01. It features 16 cores and 32 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 22 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,786 points. Launch price was $800.

Core i9-11900KF

The Core i9-11900KF 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: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 24,585 points. Launch price was $299.

⚡

Processing Power

The Xeon Gold 6143 packs 16 cores / 32 threads, while the Core i9-11900KF offers 8 cores / 16 threads — the Xeon Gold 6143 has 8 more cores. Boost clocks reach 4 GHz on the Xeon Gold 6143 versus 5.2 GHz on the Core i9-11900KF — a 26.1% clock advantage for the Core i9-11900KF (base: 2.8 GHz vs 3.5 GHz). The Core i9-11900KF is built on the Rocket Lake (2021) architecture. In PassMark, the Xeon Gold 6143 scores 24,786 against the Core i9-11900KF's 24,585 — a 0.8% lead for the Xeon Gold 6143. L3 cache: 22 MB on the Xeon Gold 6143 vs 16 MB (total) on the Core i9-11900KF.

Feature	Xeon Gold 6143	Core i9-11900KF
Cores / Threads	16 / 32+100%	8 / 16
Boost Clock	4 GHz	5.2 GHz+30%
Base Clock	2.8 GHz	3.5 GHz+25%
L3 Cache	22 MB+38%	16 MB (total)
L2 Cache	—	256K (per core)
Process	14 nm	14 nm
Architecture	—	Rocket Lake (2021)
PassMark	24,786	24,585
Cinebench R23 Multi	—	15,500

🧠

Memory & Platform

The Xeon Gold 6143 uses the LGA3647 socket (PCIe 3.0), while the Core i9-11900KF uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Xeon Gold 6143	Core i9-11900KF
Socket	LGA3647	LGA1200
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Xeon Gold 6143) / VT-x, VT-d (Core i9-11900KF).

Feature	Xeon Gold 6143	Core i9-11900KF
Integrated GPU	—	No
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	—	VT-x, VT-d

💰

Value Analysis

The Xeon Gold 6143 launched at $342 MSRP, while the Core i9-11900KF debuted at $513. At current prices ($342 vs $349), the Xeon Gold 6143 is $7 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6143 delivers 72.5 pts/$ vs 70.4 pts/$ for the Core i9-11900KF — making the Xeon Gold 6143 the 2.8% better value option.