Core Ultra 7 255U
VS
Xeon Gold 6144

Core Ultra 7 255U vs Xeon Gold 6144

Intel

Core Ultra 7 255U

12 Cores14 Thrd14 WWMax: 5.2 GHz2025
VS
Intel

Xeon Gold 6144

8 Cores16 Thrd150 WWMax: 4.2 GHz2017

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 Core Ultra 7 255U

#161
Core Ultra 7 268V
MSRP: $450|Avg: $400
110%
#162
Core Ultra 7 256V
MSRP: $450|Avg: $350
110%
#167
Core Ultra 7 258V
MSRP: $450|Avg: $400
106%
#169
Core i7-1280P
MSRP: $482|Avg: $482
105%
#173
Core Ultra 5 238V
MSRP: $454|Avg: $454
101%
#175
Core Ultra 7 255U
MSRP: N/A|Avg: N/A
100%
#176
Core i9-13900HK
MSRP: $697|Avg: N/A
99%
#178
Core i7-1360P
MSRP: $480|Avg: $280
97%
#179
Core i7-1260P
MSRP: $432|Avg: $432
97%
#184
Core Ultra 7 266V
MSRP: $520|Avg: $520
94%
#185
Ryzen 7 5825C
MSRP: $400|Avg: $400
92%
#187
Core Ultra 9 288V
MSRP: $600|Avg: $600
85%
#188
Core i7-10870H
MSRP: $417|Avg: N/A
85%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon Gold 6144

#97
Xeon Silver 4314
MSRP: $395|Avg: $395
102%
#98
Xeon W-1350
MSRP: $255|Avg: $255
102%
#99
Xeon W-1370P
MSRP: $323|Avg: $323
102%
#106
Xeon Gold 6143
MSRP: $342|Avg: $342
100%
#108
Xeon Gold 6144
MSRP: N/A|Avg: N/A
100%
#115
Xeon W-1370
MSRP: $323|Avg: $323
98%
#119
Xeon 6505P
MSRP: $563|Avg: $563
97%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Core Ultra 7 255U (2025) utilizes 5 nm technology and DDR5, providing a fundamental performance advantage.
InsightCore Ultra 7 255UXeon Gold 6144
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
✨ Modern (Arrow Lake-U (2025) / 5 nm)
✨ Modern (Skylake (server) (2017−2018) / 14 nm)

💎 Value Proposition

The Xeon Gold 6144 (2017) relies on 14 nm technology and DDR4-2666, placing it in a different performance category relative to modern standards.
InsightCore Ultra 7 255UXeon Gold 6144
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

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 Core Ultra 7 255U and Xeon Gold 6144

Intel

Core Ultra 7 255U

The Core Ultra 7 255U is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-U (2025) architecture. It features 12 cores and 14 threads. Base frequency is 3.8 GHz, with boost up to 5.2 GHz. L3 cache: 12 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 14 MB + 12 MB. Memory support: DDR5. Passmark benchmark score: 17,834 points. Launch price was $299.

Intel

Xeon Gold 6144

The Xeon Gold 6144 is manufactured by Intel. It was released in 11 July 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 24.75 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2666. Passmark benchmark score: 18,040 points. Launch price was $2,925.

Processing Power

The Core Ultra 7 255U packs 12 cores / 14 threads, while the Xeon Gold 6144 offers 8 cores / 16 threads — the Core Ultra 7 255U has 4 more cores. Boost clocks reach 5.2 GHz on the Core Ultra 7 255U versus 4.2 GHz on the Xeon Gold 6144 — a 21.3% clock advantage for the Core Ultra 7 255U (base: 3.8 GHz vs 3.5 GHz). The Core Ultra 7 255U uses the Arrow Lake-U (2025) architecture (5 nm), while the Xeon Gold 6144 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core Ultra 7 255U scores 17,834 against the Xeon Gold 6144's 18,040 — a 1.1% lead for the Xeon Gold 6144. L3 cache: 12 MB on the Core Ultra 7 255U vs 24.75 MB on the Xeon Gold 6144.

FeatureCore Ultra 7 255UXeon Gold 6144
Cores / Threads
12 / 14+50%
8 / 16
Boost Clock
5.2 GHz+24%
4.2 GHz
Base Clock
3.8 GHz+9%
3.5 GHz
L3 Cache
12 MB
24.75 MB+106%
L2 Cache
8 MB
Process
5 nm-64%
14 nm
Architecture
Arrow Lake-U (2025)
Skylake (server) (2017−2018)
PassMark
17,834
18,040+1%
🧠

Memory & Platform

The Core Ultra 7 255U uses the FCBGA2049 socket (PCIe 5.0), while the Xeon Gold 6144 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore Ultra 7 255UXeon Gold 6144
Socket
FCBGA2049
LGA3647
PCIe Generation
PCIe 5.0+67%
PCIe 3.0