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 i9-12900HX

CORE STATE Alder Lake-HX

CORE SPECS 16 Cores / 24 Threads

CLOCK SPEED 2.3 Base / 5 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 55W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,924

2,840

cinebench_cinebench_r15_singlecore

271

400

cinebench_cinebench_r20_multicore

8,019

11,837

cinebench_cinebench_r20_singlecore

1,131

1,670

cinebench_cinebench_r23_multicore

19,093

28,184

cinebench_cinebench_r23_singlecore

2,695

3,978

passmark_data_compression

285,159

400,636

passmark_data_encryption

13,942

22,932

passmark_extended_instructions

19,654

24,315

passmark_find_prime_numbers

63

132

passmark_floating_point_math

48,948

84,410

passmark_integer_math

83,893

113,416

passmark_multithread

22,456

33,158

passmark_physics

977

2,012

passmark_random_string_sorting

33,054

43,877

passmark_single_thread

3,373

3,745

passmark_singlethread

3,373

3,745

3dmark_16_threads

N/A

8,077

3dmark_2_threads

N/A

1,994

3dmark_4_threads

N/A

3,729

3dmark_8_threads

N/A

6,461

3dmark_max_threads

N/A

9,067

3dmark_single_thread

N/A

1,026

DETAILED SPECIFICATIONS

SPECIFICATION

i9-11900

i9-12900HX

Core Specs

Cores

8

16 +100.0%

Threads

16

24 +50.0%

Base Clock (GHz)

2.5

2.3 -8.0%

Boost Clock (GHz)

5.2

5 -3.8%

Frequency (GHz)

2.5

2.3 -8.0%

Turbo Clock (GHz)

5.2

5 -3.8%

Multiplier

25

23 -8.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

80 KB (per core)

L2 Cache

512 KB (per core)

1.25 MB (per core)

L3 Cache

16 MB (shared)

30 MB (shared)

Power

TDP (W)

65

55 -15.4%

PL1

—

55 W

PL2

—

157 W

Architecture

Architecture

Rocket Lake

Alder Lake

Codename

Rocket Lake

Alder Lake-HX

Generation

Core i9 (Rocket Lake-S)

Core i9 (Alder Lake-HX)

Process Size

14 nm

10 nm

Die Size

276 mm²

215 mm²

Foundry

Intel

Intel

Memory

Memory Support

DDR4

DDR4, DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

51.2 GB/s

—

ECC Memory

No

Yes

DDR4 Speed

—

3200 MT/s

DDR5 Speed

—

4800 MT/s

Platform

Socket

Intel Socket 1200

Intel BGA 1964

Chipsets

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

HM670, WM690

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 8 E-Cores: 8

E-Core Frequency

—

1700 MHz up to 3.6 GHz

Graphics

Integrated Graphics

UHD Graphics 750

UHD Graphics 770

Other

Market

Desktop

Mobile

Production Status

End-of-life

Active

Launch Price

$439

$606

Part Number

SRKNJ

SRLGK

Package

FC-LGA14A

FC-BGA16F

Tj Max

100°C

100°C

View Core i9-11900 Details View Core i9-12900HX Details