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

Xeon Phi 7290

CORE STATE Knights Landing

CORE SPECS 72 Cores / 288 Threads

CLOCK SPEED 1500 Base / 1700 GHz Turbo

CACHE —

MAX TDP 245W

ARCHITECTURE Knights Landing

nm

PROCESS 14 nm

LAUNCH DATE 2016

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

4,350

1,528

cinebench_cinebench_r15_singlecore

614

215

cinebench_cinebench_r20_multicore

18,128

6,368

cinebench_cinebench_r20_singlecore

2,559

898

cinebench_cinebench_r23_multicore

43,162

15,163

cinebench_cinebench_r23_singlecore

6,093

2,140

passmark_data_compression

548,248

564,535

passmark_data_encryption

41,662

12,505

passmark_extended_instructions

44,240

41,517

passmark_find_prime_numbers

422

114

passmark_floating_point_math

168,930

47,417

passmark_integer_math

132,810

126,922

passmark_multithread

50,739

17,839

passmark_physics

3,062

2,257

passmark_random_string_sorting

66,420

68,593

passmark_single_thread

4,645

485

passmark_singlethread

4,645

485

DETAILED SPECIFICATIONS

SPECIFICATION

Ultra 7 255HX

Phi 7290

Core Specs

Cores

20

72 +260.0%

Threads

20

288 +1340.0%

Base Clock (GHz)

2.4

1,500 +62400.0%

Boost Clock (GHz)

5.2

1,700 +32592.3%

Frequency (GHz)

2.4

1,500 +62400.0%

Turbo Clock (GHz)

5.2

1,700 +32592.3%

Multiplier

24

15 -37.5%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

192 KB (per core)

32 KB (per core)

L2 Cache

3 MB (per core)

512 KB (per core)

L3 Cache

30 MB (shared)

—

Power

TDP (W)

55

245 +345.5%

PL1

55 W

—

PL2

160 W

—

Architecture

Architecture

Arrow Lake

Knights Landing

Codename

Arrow Lake-HX

Knights Landing

Generation

Ultra 7 (Arrow Lake-HX)

Xeon Phi (Knights Landing)

Process Size

3 nm

14 nm

Transistors

17,800 million

8,000 million

Die Size

243 mm²

—

Foundry

TSMC

Intel

Memory

Memory Support

DDR5

DDR4

Memory Bus

Dual-channel

—

Memory Bandwidth

102.4 GB/s

—

ECC Memory

No

Yes

Platform

Socket

Intel BGA 2114

Intel Socket 3647

Chipsets

WM880, HM870

—

PCIe

Gen 5, 20 Lanes(CPU only)

—

Intel Hybrid

Hybrid Cores

P-Cores: 8 E-Cores: 12

—

E-Core Frequency

1800 MHz up to 4.5 GHz

—

AI/NPU

NPU

Yes / 13 TOPS

—

Graphics

Integrated Graphics

Arc Xe-LPG Graphics 64EU

—

Other

Market

Mobile

Server/Workstation

Production Status

Active

—

Part Number

SRVFG

SR2WY

Package

FC-BGA

FC-LGA3647

Tj Max

105°C

—

View Core Ultra 7 255HX Details View Xeon Phi 7290 Details