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 i7-1255U

CORE STATE Alder Lake-U

CORE SPECS 10 Cores / 12 Threads

CLOCK SPEED 1700 Base / 4.7 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 15W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,148

1,133

cinebench_cinebench_r15_singlecore

162

159

cinebench_cinebench_r20_multicore

4,785

4,722

cinebench_cinebench_r20_singlecore

675

666

cinebench_cinebench_r23_multicore

11,395

11,244

cinebench_cinebench_r23_singlecore

1,608

1,587

passmark_data_compression

143,102

147,320

passmark_data_encryption

8,964

9,262

passmark_extended_instructions

7,932

8,231

passmark_find_prime_numbers

63

40

passmark_floating_point_math

29,726

32,618

passmark_integer_math

44,968

48,498

passmark_multithread

13,406

13,234

passmark_physics

981

789

passmark_random_string_sorting

15,996

16,934

passmark_single_thread

3,239

3,192

passmark_singlethread

3,239

3,192

DETAILED SPECIFICATIONS

SPECIFICATION

i5-1240U

i7-1255U

Core Specs

Cores

10

10 0.0%

Threads

12

12 0.0%

Base Clock (GHz)

1,100

1,700 +54.5%

Boost Clock (GHz)

4.4

4.7 +6.8%

Frequency (GHz)

1,100

1,700 +54.5%

Turbo Clock (GHz)

4.4

4.7 +6.8%

Multiplier

11

17 +54.5%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

80 KB (per core)

L2 Cache

1.25 MB (per core)

1.25 MB (per core)

L3 Cache

12 MB (shared)

12 MB (shared)

Power

TDP (W)

9

15 +66.7%

PL1

9 W

15 W

PL2

29 W

55 W

Architecture

Architecture

Alder Lake

Alder Lake

Codename

Alder Lake-U

Alder Lake-U

Generation

Core i5 (Alder Lake-U)

Core i7 (Alder Lake-U)

Process Size

10 nm

10 nm

Foundry

Intel

Intel

Memory

Memory Support

DDR4, DDR5

DDR4, DDR5

Memory Bus

Dual-channel

Dual-channel

ECC Memory

No

No

DDR4 Speed

—

3200 MT/s

DDR5 Speed

—

4800 MT/s

Platform

Socket

Intel BGA 1781

Intel BGA 1744

PCIe

Gen 4

Gen 4, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

P-Cores: 2 E-Cores: 8

E-Core Frequency

800 MHz up to 3.3 GHz

1200 MHz up to 3.5 GHz

Graphics

Integrated Graphics

Iris Xe 80EU

Iris Xe 96EU

Other

Market

Mobile

Mobile

Production Status

Active

Active

Part Number

—

SRLFP

Package

FC-BGA

FC-BGA16F

Tj Max

100°C

100°C

View Core i5-1240U Details View Core i7-1255U Details