Xeon Gold 6126
VS
Xeon W-11855M

Xeon Gold 6126 vs Xeon W-11855M

Intel

Xeon Gold 6126

12 Cores24 Thrd125 WWMax: 3.7 GHz2017
VS
Intel

Xeon W-11855M

6 Cores12 Thrd35 WWMax: 4.9 GHz2021

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.

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 6126

#106
Xeon Gold 6143
MSRP: $342|Avg: $342
104%
#115
Xeon W-1370
MSRP: $323|Avg: $323
102%
#117
Xeon Gold 6126
MSRP: N/A|Avg: N/A
100%
#119
Xeon 6505P
MSRP: $563|Avg: $563
100%
#130
EPYC 9115
MSRP: $726|Avg: $726
95%
#131
EPYC 74F3
MSRP: $913|Avg: $824
95%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon W-11855M

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
5356%
#1
Core i9-9990XE
MSRP: $2000|Avg: N/A
39%
#2
Xeon W-11855M
MSRP: $450|Avg: $200
100%
#3
Xeon W-11955M
MSRP: $623|Avg: $450
90%
#4
Xeon W-11865MLE
MSRP: $467|Avg: $350
88%
#5
Xeon W-11865MRE
MSRP: $600|Avg: $600
84%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
1011%
#10
Xeon 6337P
MSRP: $60|Avg: $5
899%
#15
EPYC 9174F
MSRP: $194|Avg: $30
694%
#16
EPYC 7302
MSRP: $978|Avg: $109
691%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Xeon W-11855M leads in gaming performance. However, the Xeon Gold 6126 is the stronger candidate for professional workloads, offering 0.2% greater multi-core processing power.
InsightXeon Gold 6126Xeon W-11855M
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
More affordable ($0)
⚠️ Higher cost ($200)
Longevity
✨ Modern (Skylake (server) (2017−2018) / 14 nm)
✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin)

💎 Value Proposition

InsightXeon Gold 6126Xeon W-11855M
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
More affordable ($0)
⚠️ Higher cost ($200)

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.

Technical Specifications

Side-by-side comparison of Xeon Gold 6126 and Xeon W-11855M

Intel

Xeon Gold 6126

The Xeon Gold 6126 is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.6 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: DDR4-2666. Passmark benchmark score: 17,492 points. Launch price was $1,776.

Intel

Xeon W-11855M

The Xeon W-11855M is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 4.9 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 17,462 points. Launch price was $450.

Processing Power

The Xeon Gold 6126 packs 12 cores / 24 threads, while the Xeon W-11855M offers 6 cores / 12 threads — the Xeon Gold 6126 has 6 more cores. Boost clocks reach 3.7 GHz on the Xeon Gold 6126 versus 4.9 GHz on the Xeon W-11855M — a 27.9% clock advantage for the Xeon W-11855M (base: 2.6 GHz vs 3.2 GHz). The Xeon Gold 6126 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon W-11855M uses Tiger Lake-H (2021) (10 nm SuperFin). In PassMark, the Xeon Gold 6126 scores 17,492 against the Xeon W-11855M's 17,462 — a 0.2% lead for the Xeon Gold 6126. L3 cache: 19.25 MB on the Xeon Gold 6126 vs 18 MB (total) on the Xeon W-11855M.

FeatureXeon Gold 6126Xeon W-11855M
Cores / Threads
12 / 24+100%
6 / 12
Boost Clock
3.7 GHz
4.9 GHz+32%
Base Clock
2.6 GHz
3.2 GHz+23%
L3 Cache
19.25 MB+7%
18 MB (total)
L2 Cache
12 MB+860%
1.25 MB (per core)
Process
14 nm
10 nm SuperFin-29%
Architecture
Skylake (server) (2017−2018)
Tiger Lake-H (2021)
PassMark
17,492
17,462
🧠

Memory & Platform

The Xeon Gold 6126 uses the LGA3647 socket (PCIe 3.0), while the Xeon W-11855M uses FCBGA1787 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureXeon Gold 6126Xeon W-11855M
Socket
LGA3647
FCBGA1787
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
2666
Max RAM Capacity
768
RAM Channels
6
ECC Support
PCIe Lanes
48
🔧

Advanced Features

Virtualization: VT-x, VT-d (Xeon Gold 6126) / not specified (Xeon W-11855M). Direct competitor: Xeon Gold 6126 rivals EPYC 7301.

FeatureXeon Gold 6126Xeon W-11855M
Integrated GPU
No
IGPU Model
None
Unlocked
No
AVX-512
Yes
Virtualization
VT-x, VT-d