Quick Verdict
An exceptionally fast mobile CPU that bridges the gap between desktop and laptop performance with high base clocks and massive core counts.
Overview
Launch
2025
Status
ActiveGeneration
Ultra 7 (Arrow Lake-HX)
Market
Mobile
The Intel Core Ultra 7 265HX is a formidable mobile processor launched in January 2025, positioned within the Arrow Lake-HX family. It distinguishes itself with a 20-core, 20-thread configuration, utilizing 8 'Lion Cove' P-Cores and 12 'Skymont' E-Cores. What sets the 265HX apart is its higher base frequency of 2.6 GHz and a robust 5.3 GHz turbo boost, making it slightly faster out of the box compared to the 255HX. Built on TSMC's 3nm process, it features a 243 mm² die and 17.8 billion transistors. Designed for enthusiast gaming laptops and mobile workstations, it operates with a 55W base power and a 160W maximum turbo power. The processor includes an unlocked multiplier, Arc Xe-LPG Graphics 64EU, and a 13 TOPS NPU. With dual-channel DDR5-6400 support and 20 PCIe Gen 5 lanes, it is tailored for users needing uncompromising performance on the go.
Intel's Core Ultra 7 265HX is a step up from the 255HX, offering a higher 2.6 GHz base clock and 5.3 GHz turbo.
Built on the 3nm Arrow Lake-HX architecture, it features 8 P-Cores and 12 E-Cores. With an unlocked multiplier and 20 PCIe Gen 5 lanes, it is designed for top-tier gaming laptops and mobile workstations that demand desktop-class power.
Specifications
Performance
Excellent multi-core scores in Cinebench and Blender, benefiting from the high 2.6 GHz base clock.
Handles heavy virtualization workloads effortlessly with 20 physical cores.
Top-tier gaming performance, easily driving high-refresh-rate panels without bottlenecking modern mobile GPUs.
Designed for raw power, efficiency takes a back seat with up to 160W draw.
- •High base clock minimizes frame drops
- •Ideal for RTX 4090 Mobile or equivalent
- •Excellent for CPU-bound simulation games
- •NPU 3 provides 13 TOPS
- •Total platform AI is 33 TOPS
- •Handles basic AI background tasks well
Architecture
3 nm
Process Node
Arrow Lake-HX
Codename
20C / 20T
Core Config
30 MB
L3 Cache
55 W
TDP
Architecture Overview
The Arrow Lake-HX architecture in the 265HX emphasizes a threadless design, relying on 20 physical cores to handle multi-threaded workloads efficiently. The 'Lion Cove' P-Cores deliver exceptional single-threaded performance, reaching up to 5.3 GHz, while the 'Skymont' E-Cores provide high throughput for parallel tasks. The architecture is built on TSMC's 3nm process, ensuring high transistor density and power efficiency, although the 55W TDP indicates a focus on raw performance. Memory support includes dual-channel DDR5 at 6400 MT/s, yielding 102.4 GB/s of bandwidth. The processor features an impressive 30 MB of L3 cache and 3 MB of L2 cache per P-Core, minimizing latency for data-intensive applications. With 20 PCIe Gen 5 lanes, it supports multiple high-speed devices. The integrated Arc graphics and NPU provide baseline AI and display capabilities, but the true power lies in its desktop-class core design optimized for mobile platforms.
CPU Design
8x Lion Cove P-Cores and 12x Skymont E-Cores.
Memory Subsystem
Dual-channel DDR5-6400.
PCIe & I/O
20 PCIe Gen 5 lanes and 4 Gen 4 lanes.
Overclocking
Fully unlocked multiplier.
- Higher base and boost clocks than 255HX
- Removal of Hyper-Threading
- Integration of NPU 3
Key Highlights
- High 2.6 GHz base clock
- 20 physical cores (8P+12E)
- Unlocked multiplier
- 5.3 GHz max turbo
- Massive 30 MB L3 cache
- Very high power consumption
- 13 TOPS NPU is relatively low
- Heavy and thick laptop requirements
- BGA socket prevents user upgrades
History
The Core Ultra 7 265HX launched alongside the 255HX in early 2025 as a direct response to the growing demand for high-performance mobile computing. Intel recognized that enthusiast gamers and professional creators were increasingly moving toward laptop form factors without wanting to sacrifice desktop performance. By porting the Arrow Lake-HX architecture to the mobile BGA 2114 socket, Intel provided a scalable solution.
The 265HX specifically targeted the upper-mid tier of the enthusiast stack, offering a slight frequency bump over the 255HX to justify a higher price point. This release was historically significant as it solidified Intel's transition away from Hyper-Threading in favor of more physical cores, a paradigm shift aimed at mitigating security vulnerabilities and improving power efficiency. The 265HX remains a notable milestone in Intel's mobile roadmap, bridging the gap between standard mobile chips and true desktop replacements.
Improvements over Previous Generation
- Higher base and boost clocks than 255HX
- Removal of Hyper-Threading
- Integration of NPU 3
Alternatives & Competitors
Should You Buy It?
Recommended for the right buyer
High-end desktop replacement laptop
Avoid if…
- You need a lightweight laptop
- Battery life is your primary concern
Use Cases
Interesting Facts
Base clock of 2.6 GHz, higher than the 255HX.
20-core, 20-thread configuration without Hyper-Threading.
Boosts up to 5.3 GHz.
Includes 30 MB of shared L3 cache.
Supports dual-channel DDR5-6400.
Integrated Arc Xe-LPG Graphics 64EU.
NPU provides 13 TOPS.
Unlocked multiplier for enthusiast tuning.
Contains 17.8 billion transistors.
Uses the BGA 2114 socket.
People Also Ask
What is the base clock of the 265HX?
The base clock is 2.6 GHz.
Is the 265HX unlocked?
Yes, it features an unlocked multiplier for overclocking.
What is the max turbo of the 265HX?
The maximum turbo frequency is 5.3 GHz.
How many cores does the 265HX have?
It has 20 cores (8 P-Cores and 12 E-Cores).
Does the 265HX support Hyper-Threading?
No, it uses a threadless design with 20 physical cores.
What is the TDP of the 265HX?
The base TDP is 55W, with a max turbo power of 160W.
What socket does the 265HX use?
It uses the Intel BGA 2114 socket.
Does the 265HX have an NPU?
Yes, it features NPU 3 with 13 TOPS.
What memory speed does it support?
It supports DDR5-6400 memory.
When was the Core Ultra 7 265HX released?
It was released on January 13th, 2025.
Frequently Asked Questions
Is the 265HX better than the 255HX?
Yes, it has a higher base clock (2.6 GHz vs 2.4 GHz) and higher max turbo (5.3 GHz vs 5.2 GHz).
What is the L3 cache size?
It has 30 MB of L3 cache.
Does it support ECC memory?
No, the 265HX does not support ECC memory.
What integrated graphics does it have?
It includes Arc Xe-LPG Graphics 64EU.
What is the TJMax?
The maximum operating temperature is 105°C.
What is the part number for the 265HX?
The part number is SRVFH.
Does it support PCIe Gen 5?
Yes, it has 20 PCIe Gen 5 lanes.
What core architectures are used?
It uses Lion Cove P-Cores and Skymont E-Cores.
Is it good for gaming?
Yes, it is excellent for high-end gaming.
Can it be overclocked?
Yes, the multiplier is unlocked.