Core Ultra 5 134U vs Core i7-1255U

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 5 134U

#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%

#174

Core Ultra 5 134U

MSRP: N/A|Avg: N/A

100%

#176

Core i9-13900HK

MSRP: $697|Avg: N/A

98%

#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

93%

#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 Core i7-1255U

#184

Core Ultra 7 266V

MSRP: $520|Avg: $520

120%

#185

Ryzen 7 5825C

MSRP: $400|Avg: $400

118%

#187

Core Ultra 9 288V

MSRP: $600|Avg: $600

110%

#188

Core i7-10870H

MSRP: $417|Avg: N/A

110%

#195

Core i7-1255U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core i7-1255U leads in gaming performance. However, the Core Ultra 5 134U is the stronger candidate for professional workloads, offering 0.3% greater multi-core processing power.

Insight	Core Ultra 5 134U	Core i7-1255U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Meteor Lake-U (2023) / 7 nm)	✨ Modern (Alder Lake-U (2022) / Intel 7 nm)

💎 Value Proposition

Insight	Core Ultra 5 134U	Core i7-1255U
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.

Core Ultra 5 134U Benchmark Check

Core i7-1255U Benchmark Check

Technical Specifications

Side-by-side comparison of Core Ultra 5 134U and Core i7-1255U

Core Ultra 5 134U

The Core Ultra 5 134U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-U (2023) architecture. It features 12 cores and 14 threads. Base frequency is 0.7 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2551. Thermal design power (TDP): + 12 MB. Memory support: DDR5. Passmark benchmark score: 13,169 points. Launch price was $332.

Core i7-1255U

The Core i7-1255U is manufactured by Intel. It was released in 23 February 2022 (3 years ago). It is based on the Alder Lake-U (2022) architecture. It features 10 cores and 12 threads. Base frequency is 1.7 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 13,128 points. Launch price was $149.

⚡

Processing Power

The Core Ultra 5 134U packs 12 cores / 14 threads, while the Core i7-1255U offers 10 cores / 12 threads — the Core Ultra 5 134U has 2 more cores. Boost clocks reach 4.4 GHz on the Core Ultra 5 134U versus 4.7 GHz on the Core i7-1255U — a 6.6% clock advantage for the Core i7-1255U (base: 0.7 GHz vs 1.7 GHz). The Core Ultra 5 134U uses the Meteor Lake-U (2023) architecture (7 nm), while the Core i7-1255U uses Alder Lake-U (2022) (Intel 7 nm). In PassMark, the Core Ultra 5 134U scores 13,169 against the Core i7-1255U's 13,128 — a 0.3% lead for the Core Ultra 5 134U. Both processors carry 12 MB (total) of L3 cache.

Feature	Core Ultra 5 134U	Core i7-1255U
Cores / Threads	12 / 14+20%	10 / 12
Boost Clock	4.4 GHz	4.7 GHz+7%
Base Clock	0.7 GHz	1.7 GHz+143%
L3 Cache	12 MB (total)	12 MB (total)
L2 Cache	2 MB (per core)+60%	1.25 MB (per core)
Process	7 nm	Intel 7 nm
Architecture	Meteor Lake-U (2023)	Alder Lake-U (2022)
PassMark	13,169	13,128
Geekbench 6 Single	—	1,809

🧠

Memory & Platform

The Core Ultra 5 134U uses the FCBGA2551 socket (PCIe 5.0), while the Core i7-1255U uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core Ultra 5 134U	Core i7-1255U
Socket	FCBGA2551	FCBGA1744
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	—	DDR5-4800
Max RAM Capacity	—	64 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Core Ultra 5 134U) / VT-x, VT-d, EPT (Core i7-1255U). The Core i7-1255U includes integrated graphics (Iris Xe Graphics 96EU), while the Core Ultra 5 134U requires a dedicated GPU. Primary use case: Core i7-1255U targets Mainstream Laptop. Direct competitor: Core i7-1255U rivals Ryzen 7 6800U.