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 i9-13900K

CORE STATE Raptor Lake-S

CORE SPECS 24 Cores / 32 Threads

CLOCK SPEED 3 Base / 5.8 GHz Turbo

CACHE 36 MB (shared)

MAX TDP 125W

ARCHITECTURE Raptor Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,133

5,019

cinebench_cinebench_r15_singlecore

159

708

cinebench_cinebench_r20_multicore

4,722

20,915

cinebench_cinebench_r20_singlecore

666

2,952

cinebench_cinebench_r23_multicore

11,244

49,798

cinebench_cinebench_r23_singlecore

1,587

7,030

passmark_data_compression

147,320

793,645

passmark_data_encryption

9,262

46,609

passmark_extended_instructions

8,231

46,477

passmark_find_prime_numbers

40

236

passmark_floating_point_math

32,618

151,562

passmark_integer_math

48,498

207,792

passmark_multithread

13,234

58,589

passmark_physics

789

3,140

passmark_random_string_sorting

16,934

87,705

passmark_single_thread

3,192

4,608

passmark_singlethread

3,192

4,608

3dmark_16_threads

N/A

11,201

3dmark_2_threads

N/A

2,355

3dmark_4_threads

N/A

4,648

3dmark_8_threads

N/A

8,520

3dmark_max_threads

N/A

15,509

3dmark_single_thread

N/A

1,187

geekbench_multicore

N/A

20,046

geekbench_singlecore

N/A

2,987

DETAILED SPECIFICATIONS

SPECIFICATION

i7-1255U

i9-13900K

Core Specs

Cores

10

24 +140.0%

Threads

12

32 +166.7%

Base Clock (GHz)

1,700

3 -99.8%

Boost Clock (GHz)

4.7

5.8 +23.4%

Frequency (GHz)

1,700

3 -99.8%

Turbo Clock (GHz)

4.7

5.8 +23.4%

Multiplier

17

30 +76.5%

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-S

Generation

Core i7 (Alder Lake-U)

Core i9 (Raptor Lake)

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

—

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

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

2.2 GHz up to 4.3 GHz

P-Core Turbo

—

5.4 GHz

Graphics

Integrated Graphics

Iris Xe 96EU

UHD Graphics 770

Other

Market

Mobile

Desktop

Production Status

Active

Active

Launch Price

—

$589

Part Number

SRLFP

SRMBH

Package

FC-BGA16F

FC-LGA16A

Tj Max

100°C

100°C

View Core i7-1255U Details View Core i9-13900K Details