CPU Comparison

i

Intel

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

VS

i

Intel

INTEL

Core Ultra 5 245KF

CORE STATE Arrow Lake-S

CORE SPECS 14 Cores / 14 Threads

CLOCK SPEED 4.2 Base / 5.2 GHz Turbo

CACHE 24 MB (shared)

MAX TDP 125W

ARCHITECTURE Arrow Lake

nm

PROCESS 3 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,133

3,720

cinebench_cinebench_r15_singlecore

159

525

cinebench_cinebench_r20_multicore

4,722

15,501

cinebench_cinebench_r20_singlecore

666

2,188

cinebench_cinebench_r23_multicore

11,244

36,908

cinebench_cinebench_r23_singlecore

1,587

5,210

passmark_data_compression

147,320

463,378

passmark_data_encryption

9,262

33,641

passmark_extended_instructions

8,231

38,020

passmark_find_prime_numbers

40

415

passmark_floating_point_math

32,618

132,037

passmark_integer_math

48,498

98,936

passmark_multithread

13,234

43,422

passmark_physics

789

3,105

passmark_random_string_sorting

16,934

55,709

passmark_single_thread

3,192

4,717

passmark_singlethread

3,192

4,717

DETAILED SPECIFICATIONS

SPECIFICATION

i7-1255U

Ultra 5 245KF

Core Specs

Cores

10

14 +40.0%

Threads

12

14 +16.7%

Base Clock (GHz)

1,700

4.2 -99.8%

Boost Clock (GHz)

4.7

5.2 +10.6%

Frequency (GHz)

1,700

4.2 -99.8%

Turbo Clock (GHz)

4.7

5.2 +10.6%

Multiplier

17

42 +147.1%

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)

24 MB (shared)

Power

TDP (W)

15

125 +733.3%

PL1

15 W

159 W

PL2

55 W

159 W

Architecture

Architecture

Alder Lake

Arrow Lake

Codename

Alder Lake-U

Arrow Lake-S

Generation

Core i7 (Alder Lake-U)

Ultra 5 (Arrow Lake)

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

DDR4 Speed

3200 MT/s

—

DDR5 Speed

4800 MT/s

—

Platform

Socket

Intel BGA 1744

Intel Socket 1851

Chipsets

—

Z890, B860, W880, Q870, H810

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

P-Cores: 6 E-Cores: 8

E-Core Frequency

1200 MHz up to 3.5 GHz

3.6 GHz up to 4.6 GHz

Graphics

Integrated Graphics

Iris Xe 96EU

—

Other

Market

Mobile

Desktop

Production Status

Active

Active

Launch Price

—

$294

Part Number

SRLFP

SRQCY

Package

FC-BGA16F

FC-LGA18W

Tj Max

100°C

105°C

View Core i7-1255U Details View Core Ultra 5 245KF Details