CPU Comparison

i

Intel

INTEL

Intel Core i7-1255U

CORE STATE Alder Lake-U

CORE SPECS 10 Cores / 12 Threads

CLOCK SPEED 1700 Base / 4.7 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 15W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

VS

i

Intel

INTEL

Core i9-14900K

CORE STATE Raptor Lake-R

CORE SPECS 24 Cores / 32 Threads

CLOCK SPEED 3.2 Base / 6 GHz Turbo

CACHE 36 MB (shared)

MAX TDP 125W

ARCHITECTURE Raptor Lake

nm

PROCESS 10 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,133

5,027

cinebench_cinebench_r15_singlecore

159

709

cinebench_cinebench_r20_multicore

4,722

20,946

cinebench_cinebench_r20_singlecore

666

2,956

cinebench_cinebench_r23_multicore

11,244

49,872

cinebench_cinebench_r23_singlecore

1,587

7,040

passmark_data_compression

147,320

792,694

passmark_data_encryption

9,262

46,813

passmark_extended_instructions

8,231

45,154

passmark_find_prime_numbers

40

231

passmark_floating_point_math

32,618

152,975

passmark_integer_math

48,498

210,622

passmark_multithread

13,234

58,674

passmark_physics

789

3,140

passmark_random_string_sorting

16,934

86,971

passmark_single_thread

3,192

4,697

passmark_singlethread

3,192

4,697

geekbench_multicore

N/A

20,370

geekbench_singlecore

N/A

3,064

DETAILED SPECIFICATIONS

SPECIFICATION

i7-1255U

i9-14900K

Core Specs

Cores

10

24 +140.0%

Threads

12

32 +166.7%

Base Clock (GHz)

1,700

3.2 -99.8%

Boost Clock (GHz)

4.7

6 +27.7%

Frequency (GHz)

1,700

3.2 -99.8%

Turbo Clock (GHz)

4.7

6 +27.7%

Multiplier

17

32 +88.2%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

80 KB (per core)

L2 Cache

1.25 MB (per core)

2 MB (per core)

L3 Cache

12 MB (shared)

36 MB (shared)

Power

TDP (W)

15

125 +733.3%

PL1

15 W

253 W

PL2

55 W

253 W

Architecture

Architecture

Alder Lake

Raptor Lake

Codename

Alder Lake-U

Raptor Lake-R

Generation

Core i7 (Alder Lake-U)

Core i9 (Raptor Lake Refresh)

Process Size

10 nm

10 nm

Die Size

—

257 mm²

Foundry

Intel

Intel

Memory

Memory Support

DDR4, DDR5

DDR4, DDR5

Memory Bus

Dual-channel

Dual-channel

ECC Memory

No

Yes

DDR4 Speed

3200 MT/s

3200 MT/s

DDR5 Speed

4800 MT/s

5600 MT/s

Platform

Socket

Intel BGA 1744

Intel Socket 1700

Chipsets

—

Intel 600 Series, Intel 700 Series

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 5, 16 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

P-Cores: 8 E-Cores: 16

E-Core Frequency

1200 MHz up to 3.5 GHz

2.4 GHz up to 4.4 GHz

P-Core Turbo

—

5.6 GHz

Graphics

Integrated Graphics

Iris Xe 96EU

UHD Graphics 770

Other

Market

Mobile

Desktop

Production Status

Active

Active

Launch Price

—

$589

Part Number

SRLFP

SRN48

Package

FC-BGA16F

FC-LGA16A

Tj Max

100°C

100°C

Bundled Cooler

—

None

View Core i7-1255U Details View Core i9-14900K Details