CPU Comparison

i

Intel

INTEL

Intel Core i5-1240U

CORE STATE Alder Lake-U

CORE SPECS 10 Cores / 12 Threads

CLOCK SPEED 1100 Base / 4.4 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 9W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

VS

i

Intel

INTEL

Core Ultra 7 255HX

CORE STATE Arrow Lake-HX

CORE SPECS 20 Cores / 20 Threads

CLOCK SPEED 2.4 Base / 5.2 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 55W

ARCHITECTURE Arrow Lake

nm

PROCESS 3 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,148

4,350

cinebench_cinebench_r15_singlecore

162

614

cinebench_cinebench_r20_multicore

4,785

18,128

cinebench_cinebench_r20_singlecore

675

2,559

cinebench_cinebench_r23_multicore

11,395

43,162

cinebench_cinebench_r23_singlecore

1,608

6,093

passmark_data_compression

143,102

548,248

passmark_data_encryption

8,964

41,662

passmark_extended_instructions

7,932

44,240

passmark_find_prime_numbers

63

422

passmark_floating_point_math

29,726

168,930

passmark_integer_math

44,968

132,810

passmark_multithread

13,406

50,739

passmark_physics

981

3,062

passmark_random_string_sorting

15,996

66,420

passmark_single_thread

3,239

4,645

passmark_singlethread

3,239

4,645

DETAILED SPECIFICATIONS

SPECIFICATION

i5-1240U

Ultra 7 255HX

Core Specs

Cores

10

20 +100.0%

Threads

12

20 +66.7%

Base Clock (GHz)

1,100

2.4 -99.8%

Boost Clock (GHz)

4.4

5.2 +18.2%

Frequency (GHz)

1,100

2.4 -99.8%

Turbo Clock (GHz)

4.4

5.2 +18.2%

Multiplier

11

24 +118.2%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

192 KB (per core)

L2 Cache

1.25 MB (per core)

3 MB (per core)

L3 Cache

12 MB (shared)

30 MB (shared)

Power

TDP (W)

9

55 +511.1%

PL1

9 W

55 W

PL2

29 W

160 W

Architecture

Architecture

Alder Lake

Arrow Lake

Codename

Alder Lake-U

Arrow Lake-HX

Generation

Core i5 (Alder Lake-U)

Ultra 7 (Arrow Lake-HX)

Process Size

10 nm

3 nm

Transistors

—

17,800 million

Die Size

—

243 mm²

Foundry

Intel

TSMC

Memory

Memory Support

DDR4, DDR5

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

—

102.4 GB/s

ECC Memory

No

No

Platform

Socket

Intel BGA 1781

Intel BGA 2114

Chipsets

—

WM880, HM870

PCIe

Gen 4

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

P-Cores: 8 E-Cores: 12

E-Core Frequency

800 MHz up to 3.3 GHz

1800 MHz up to 4.5 GHz

AI/NPU

NPU

—

Yes / 13 TOPS

Graphics

Integrated Graphics

Iris Xe 80EU

Arc Xe-LPG Graphics 64EU

Other

Market

Mobile

Mobile

Production Status

Active

Active

Part Number

—

SRVFG

Package

FC-BGA

FC-BGA

Tj Max

100°C

105°C

View Core i5-1240U Details View Core Ultra 7 255HX Details