CPU Comparison

i

Intel

INTEL

Intel Core i9-11900

CORE STATE Rocket Lake

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 2.5 Base / 5.2 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 65W

ARCHITECTURE Rocket Lake

nm

PROCESS 14 nm

LAUNCH DATE 2021

VS

i

Intel

INTEL

Core Ultra 9 285HX

CORE STATE Arrow Lake-HX

CORE SPECS 24 Cores / 24 Threads

CLOCK SPEED 2.8 Base / 5.5 GHz Turbo

CACHE 36 MB (shared)

MAX TDP 55W

ARCHITECTURE Arrow Lake

nm

PROCESS 3 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,924

5,342

cinebench_cinebench_r15_singlecore

271

754

cinebench_cinebench_r20_multicore

8,019

22,260

cinebench_cinebench_r20_singlecore

1,131

3,142

cinebench_cinebench_r23_multicore

19,093

53,000

cinebench_cinebench_r23_singlecore

2,695

7,482

passmark_data_compression

285,159

709,118

passmark_data_encryption

13,942

53,869

passmark_extended_instructions

19,654

54,810

passmark_find_prime_numbers

63

503

passmark_floating_point_math

48,948

210,220

passmark_integer_math

83,893

163,213

passmark_multithread

22,456

62,297

passmark_physics

977

3,970

passmark_random_string_sorting

33,054

87,568

passmark_single_thread

3,373

4,784

passmark_singlethread

3,373

4,784

DETAILED SPECIFICATIONS

SPECIFICATION

i9-11900

Ultra 9 285HX

Core Specs

Cores

8

24 +200.0%

Threads

16

24 +50.0%

Base Clock (GHz)

2.5

2.8 +12.0%

Boost Clock (GHz)

5.2

5.5 +5.8%

Frequency (GHz)

2.5

2.8 +12.0%

Turbo Clock (GHz)

5.2

5.5 +5.8%

Multiplier

25

28 +12.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

192 KB (per core)

L2 Cache

512 KB (per core)

3 MB (per core)

L3 Cache

16 MB (shared)

36 MB (shared)

Power

TDP (W)

65

55 -15.4%

PL1

—

55 W

PL2

—

160 W

Architecture

Architecture

Rocket Lake

Arrow Lake

Codename

Rocket Lake

Arrow Lake-HX

Generation

Core i9 (Rocket Lake-S)

Ultra 9 (Arrow Lake-HX)

Process Size

14 nm

3 nm

Transistors

—

17,800 million

Die Size

276 mm²

243 mm²

Foundry

Intel

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

51.2 GB/s

102.4 GB/s

ECC Memory

No

Yes

Platform

Socket

Intel Socket 1200

Intel BGA 2114

Chipsets

H510, B560, H570, Q570, W580, Z590, Q470, H470, W480, Z490

WM880, HM870

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 8 E-Cores: 16

E-Core Frequency

—

2.1 GHz up to 4.6 GHz

AI/NPU

NPU

—

Yes / 13 TOPS

Graphics

Integrated Graphics

UHD Graphics 750

Arc Xe-LPG Graphics 64EU

Other

Market

Desktop

Mobile

Production Status

End-of-life

Active

Launch Price

$439

—

Part Number

SRKNJ

SRVFJ

Package

FC-LGA14A

FC-BGA

Tj Max

100°C

105°C

View Core i9-11900 Details View Core Ultra 9 285HX Details