CPU Comparison

i

Intel

INTEL

Intel Core i9-12900K

CORE STATE Alder Lake-S

CORE SPECS 16 Cores / 24 Threads

CLOCK SPEED 3.2 Base / 5.2 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 125W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2021

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

3dmark_16_threads

9,912

N/A

3dmark_2_threads

2,120

N/A

3dmark_4_threads

4,145

N/A

3dmark_8_threads

7,596

N/A

3dmark_max_threads

11,620

N/A

3dmark_single_thread

1,073

N/A

cinebench_cinebench_r15_multicore

3,531

4,350

cinebench_cinebench_r15_singlecore

498

614

cinebench_cinebench_r20_multicore

14,713

18,128

cinebench_cinebench_r20_singlecore

2,076

2,559

cinebench_cinebench_r23_multicore

35,031

43,162

cinebench_cinebench_r23_singlecore

4,945

6,093

geekbench_multicore

15,525

N/A

geekbench_singlecore

2,640

N/A

passmark_data_compression

537,341

548,248

passmark_data_encryption

29,579

41,662

passmark_extended_instructions

33,682

44,240

passmark_find_prime_numbers

147

422

passmark_floating_point_math

105,471

168,930

passmark_integer_math

139,090

132,810

passmark_multithread

41,213

50,739

passmark_physics

2,219

3,062

passmark_random_string_sorting

57,094

66,420

passmark_single_thread

4,136

4,645

passmark_singlethread

4,136

4,645

DETAILED SPECIFICATIONS

SPECIFICATION

i9-12900K

Ultra 7 255HX

Core Specs

Cores

16

20 +25.0%

Threads

24

20 -16.7%

Base Clock (GHz)

3.2

2.4 -25.0%

Boost Clock (GHz)

5.2

5.2 0.0%

Frequency (GHz)

3.2

2.4 -25.0%

Turbo Clock (GHz)

5.2

5.2 0.0%

Multiplier

32

24 -25.0%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

192 KB (per core)

L2 Cache

1.25 MB (per core)

3 MB (per core)

L3 Cache

30 MB (shared)

30 MB (shared)

Power

TDP (W)

125

55 -56.0%

PL1

241 W

55 W

PL2

241 W

160 W

Architecture

Architecture

Alder Lake

Arrow Lake

Codename

Alder Lake-S

Arrow Lake-HX

Generation

Core i9 (Alder Lake-S)

Ultra 7 (Arrow Lake-HX)

Process Size

10 nm

3 nm

Transistors

—

17,800 million

Die Size

215 mm²

243 mm²

Foundry

Intel

TSMC

Memory

Memory Support

DDR4, DDR5

DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

76.8 GB/s

102.4 GB/s

ECC Memory

Yes

No

DDR4 Speed

3200 MT/s

—

Platform

Socket

Intel Socket 1700

Intel BGA 2114

Chipsets

Z690, W680, H670, Q670, B660, H610, Z790, H770, B760

WM880, HM870

PCIe

Gen 5, 16 Lanes(CPU only)

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 8 E-Cores: 8

P-Cores: 8 E-Cores: 12

E-Core Frequency

2.4 GHz up to 3.9 GHz

1800 MHz up to 4.5 GHz

AI/NPU

NPU

—

Yes / 13 TOPS

Graphics

Integrated Graphics

UHD Graphics 770

Arc Xe-LPG Graphics 64EU

Other

Market

Desktop

Mobile

Production Status

Active

Active

Launch Price

$599

—

Part Number

SRL4H

SRVFG

Package

FC-LGA16A

FC-BGA

Tj Max

100°C

105°C

View Core i9-12900K Details View Core Ultra 7 255HX Details