CPU Comparison

i

Intel

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

VS

i

Intel

INTEL

Core Ultra 7 266V

CORE STATE Lunar Lake

CORE SPECS 8 Cores / 8 Threads

CLOCK SPEED 2.2 Base / 5 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 17W

ARCHITECTURE Lunar Lake

nm

PROCESS 3 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

4,350

1,754

cinebench_cinebench_r15_singlecore

614

247

cinebench_cinebench_r20_multicore

18,128

7,310

cinebench_cinebench_r20_singlecore

2,559

1,031

cinebench_cinebench_r23_multicore

43,162

17,406

cinebench_cinebench_r23_singlecore

6,093

2,457

passmark_data_compression

548,248

196,806

passmark_data_encryption

41,662

14,520

passmark_extended_instructions

44,240

16,650

passmark_find_prime_numbers

422

201

passmark_floating_point_math

168,930

60,087

passmark_integer_math

132,810

43,578

passmark_multithread

50,739

20,466

passmark_physics

3,062

1,684

passmark_random_string_sorting

66,420

24,009

passmark_single_thread

4,645

4,158

passmark_singlethread

4,645

4,158

DETAILED SPECIFICATIONS

SPECIFICATION

Ultra 7 255HX

Ultra 7 266V

Core Specs

Cores

20

8 -60.0%

Threads

20

8 -60.0%

Base Clock (GHz)

2.4

2.2 -8.3%

Boost Clock (GHz)

5.2

5 -3.8%

Frequency (GHz)

2.4

2.2 -8.3%

Turbo Clock (GHz)

5.2

5 -3.8%

Multiplier

24

22 -8.3%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

192 KB (per core)

192 KB (per core)

L2 Cache

3 MB (per core)

2.5 MB (per core)

L3 Cache

30 MB (shared)

12 MB (shared)

Power

TDP (W)

55

17 -69.1%

PL1

55 W

—

PL2

160 W

—

Architecture

Architecture

Arrow Lake

Lunar Lake

Codename

Arrow Lake-HX

Lunar Lake

Generation

Ultra 7 (Arrow Lake-HX)

Ultra 7 (Lunar Lake)

Process Size

3 nm

3 nm

Transistors

17,800 million

—

Die Size

243 mm²

—

Foundry

TSMC

TSMC

Memory

Memory Support

DDR5

unknown Depends on motherboard

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

102.4 GB/s

—

ECC Memory

No

No

Platform

Socket

Intel BGA 2114

Intel BGA 2833

Chipsets

WM880, HM870

—

PCIe

Gen 5, 20 Lanes(CPU only)

Gen 5, 4 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 8 E-Cores: 12

P-Cores: 4 E-Cores: 4

E-Core Frequency

1800 MHz up to 4.5 GHz

2.2 GHz up to 3.7 GHz

AI/NPU

NPU

Yes / 13 TOPS

Yes / 48 TOPS

Graphics

Integrated Graphics

Arc Xe-LPG Graphics 64EU

Arc 140V

Other

Market

Mobile

Mobile

Production Status

Active

Active

Part Number

SRVFG

SRPMMSRPMY

Package

FC-BGA

FC-BGA

Tj Max

105°C

100°C

View Core Ultra 7 255HX Details View Core Ultra 7 266V Details