CPU Comparison

i

Intel

INTEL

Intel Core i9-9900K

CORE STATE Coffee Lake-R

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.6 Base / 5 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 95W

ARCHITECTURE Coffee Lake

nm

PROCESS 14 nm

LAUNCH DATE 2018

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

1,555

4,350

cinebench_cinebench_r15_singlecore

219

614

cinebench_cinebench_r20_multicore

6,480

18,128

cinebench_cinebench_r20_singlecore

914

2,559

cinebench_cinebench_r23_multicore

15,429

43,162

cinebench_cinebench_r23_singlecore

2,178

6,093

geekbench_multicore

8,050

N/A

geekbench_singlecore

1,702

N/A

passmark_data_compression

283,506

548,248

passmark_data_encryption

6,430

41,662

passmark_extended_instructions

18,965

44,240

passmark_find_prime_numbers

47

422

passmark_floating_point_math

41,036

168,930

passmark_integer_math

66,134

132,810

passmark_multithread

18,153

50,739

passmark_physics

934

3,062

passmark_random_string_sorting

36,238

66,420

passmark_single_thread

2,919

4,645

passmark_singlethread

2,919

4,645

DETAILED SPECIFICATIONS

SPECIFICATION

i9-9900K

Ultra 7 255HX

Core Specs

Cores

8

20 +150.0%

Threads

16

20 +25.0%

Base Clock (GHz)

3.6

2.4 -33.3%

Boost Clock (GHz)

5

5.2 +4.0%

Frequency (GHz)

3.6

2.4 -33.3%

Turbo Clock (GHz)

5

5.2 +4.0%

Multiplier

36

24 -33.3%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

192 KB (per core)

L2 Cache

256 KB (per core)

3 MB (per core)

L3 Cache

16 MB (shared)

30 MB (shared)

Power

TDP (W)

95

55 -42.1%

PL1

95 W

55 W

PL2

119 W

160 W

Architecture

Architecture

Coffee Lake

Arrow Lake

Codename

Coffee Lake-R

Arrow Lake-HX

Generation

Core i9 (Coffee Lake Refresh)

Ultra 7 (Arrow Lake-HX)

Process Size

14 nm

3 nm

Transistors

—

17,800 million

Die Size

180.3 mm²

243 mm²

Foundry

Intel

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

42.7 GB/s

102.4 GB/s

ECC Memory

No

No

Platform

Socket

Intel Socket 1151

Intel BGA 2114

Chipsets

—

WM880, HM870

PCIe

Gen 3, 16 Lanes(CPU only)

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

UHD Graphics 630

Arc Xe-LPG Graphics 64EU

Other

Market

Desktop

Mobile

Production Status

End-of-life

Active

Launch Price

$488

—

Part Number

SRG19SRELS

SRVFG

Package

FC-LGA14C

FC-BGA

Tj Max

100°C

105°C

View Core i9-9900K Details View Core Ultra 7 255HX Details