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Intel Core Ultra 7 265K vs Intel Core i7-3540M

Last updated: 2026-07-03

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

Intel Core Ultra 7 265K

Rank 2 - 22 %

Intel Core i7-3540M

Multi-core performance

Rank 1 - 100 %

Intel Core Ultra 7 265K

Rank 2 - 6 %

Intel Core i7-3540M

Geekbench 6 Single-Core
Single-core performance

20C / 20T · 5.50 GHz

3,210

2C / 4T · 3.70 GHz

697

Geekbench 6 Multi-Core
Multi-core performance

20C / 20T · 5.20 GHz

21,640

2C / 4T · 3.00 GHz

1,502

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Xe 4 Core Graphics 64 EUs (Arrow Lake)

1,989

Intel HD Graphics 4000

333

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

CPU performance per watt (efficiency)
140 entries

AI performance (NPU)
218 entries

Specifications

At a glance

Wischen	Intel Core Ultra 7 265K	Intel Core i7-3540M
Family	Intel Core Ultra 7 (31)	Intel Core i7 (300)
CPU group	Intel Core Ultra 200 AL-S (20)	Intel Core i 3000M (29)
Architecture	Arrow Lake	Ivy Bridge H
Technology	3 nm	22 nm
Segment	Desktop	Notebook
Socket	LGA 1851	BGA 1023
Predecessor
Successor

CPU Cores and Base Frequency

Wischen	Intel Core Ultra 7 265K	Intel Core i7-3540M
CPU Cores / Threads	20 / 20	2 / 4
Hyperthreading / SMT	✗	✓
Core architecture	hybrid (big.LITTLE)	normal
Core Cluster 1:	8x Lion Cove 3.90 - 5.50 GHz	2x 3.00 - 3.70 GHz
Core Cluster 2:	12x Skymont 3.30 - 4.60 GHz
L2-Cache	36.00 MB
L3-Cache	30.00 MB	4.00 MB
Overclocking	✓	✗

Integrated graphics (iGPU)

Wischen	Intel Core Ultra 7 265K	Intel Core i7-3540M
GPU name	Intel Xe 4 Core Graphics 64 EUs (Arrow Lake)	Intel HD Graphics 4000
GPU frequency	0.30 - 2.00 GHz	0.65 - 1.30 GHz
CUs / Shader	4 / 512	16 / 128
Raytracing	✓	✗
Max. displays	3	3
Max. GPU Memory	32 GB	2 GB
Technology	5 nm	22 nm
Release date	Q3/2024	Q1/2011

NPU AI performance

Wischen	Intel Core Ultra 7 265K	Intel Core i7-3540M
AI hardware	Intel® AI Boost
AI specifications	Intel AI Boost NPU 4 @ 13 TOPS
NPU + CPU + iGPU	37 TOPS

Memory & PCIe

Wischen	Intel Core Ultra 7 265K	Intel Core i7-3540M
Memory	DDR5-6400 (102.4 GB/s)	DDR3L-1600 (25.6 GB/s) DDR3-1600 (25.6 GB/s) DDR3L-1333 (21.3 GB/s) DDR3-1333 (21.3 GB/s)
Max. Memory	256 GB	32 GB
Memory channels	2	2
ECC	Yes	No
PCIe	5.0 x 20	3.0 x 16
PCIe Bandwidth	78.8 GB/s	15.8 GB/s

Thermal Management

Wischen	Intel Core Ultra 7 265K	Intel Core i7-3540M
TDP	125 W	35 W
TDP (PL2)	177 W
TDP up	250 W
TDP down
T. junction max.	105 °C

Technical details

Wischen	Intel Core Ultra 7 265K	Intel Core i7-3540M
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 11, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2	SSE4.1, SSE4.2, AVX
Release date	Q4/2024	Q1/2013
Release price	394 $	346 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core Ultra 7 265K is 4.3 stars (267 ratings), while Intel Core i7-3540M has received 4.0 stars (4 ratings).

Click on the stars to rate one or both processors.

Intel Core Ultra 7 265K
20C / 20T · 3.90 - 5.50 GHz

★★★★★

Intel Core i7-3540M
2C / 4T · 3.00 - 3.70 GHz

★★★★★