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 i7-12700KF

CORE STATE Alder Lake-S

CORE SPECS 12 Cores / 20 Threads

CLOCK SPEED 3.6 Base / 5 GHz Turbo

CACHE 25 MB (shared)

MAX TDP 125W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,133

2,921

cinebench_cinebench_r15_singlecore

159

412

cinebench_cinebench_r20_multicore

4,722

12,171

cinebench_cinebench_r20_singlecore

666

1,718

cinebench_cinebench_r23_multicore

11,244

28,979

cinebench_cinebench_r23_singlecore

1,587

4,091

passmark_data_compression

147,320

441,960

passmark_data_encryption

9,262

23,181

passmark_extended_instructions

8,231

28,650

passmark_find_prime_numbers

40

112

passmark_floating_point_math

32,618

87,449

passmark_integer_math

48,498

113,521

passmark_multithread

13,234

34,092

passmark_physics

789

1,780

passmark_random_string_sorting

16,934

45,150

passmark_single_thread

3,192

3,984

passmark_singlethread

3,192

3,984

3dmark_16_threads

N/A

9,282

3dmark_2_threads

N/A

2,065

3dmark_4_threads

N/A

4,011

3dmark_8_threads

N/A

7,211

3dmark_max_threads

N/A

9,983

3dmark_single_thread

N/A

1,043

geekbench_multicore

N/A

13,596

geekbench_singlecore

N/A

2,526

DETAILED SPECIFICATIONS

SPECIFICATION

i7-1255U

i7-12700KF

Core Specs

Cores

10

12 +20.0%

Threads

12

20 +66.7%

Base Clock (GHz)

1,700

3.6 -99.8%

Boost Clock (GHz)

4.7

5 +6.4%

Frequency (GHz)

1,700

3.6 -99.8%

Turbo Clock (GHz)

4.7

5 +6.4%

Multiplier

17

36 +111.8%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

80 KB (per core)

L2 Cache

1.25 MB (per core)

1.25 MB (per core)

L3 Cache

12 MB (shared)

25 MB (shared)

Power

TDP (W)

15

125 +733.3%

PL1

15 W

190W

PL2

55 W

190W

Architecture

Architecture

Alder Lake

Alder Lake

Codename

Alder Lake-U

Alder Lake-S

Generation

Core i7 (Alder Lake-U)

Core i7 (Alder Lake-S)

Process Size

10 nm

10 nm

Die Size

—

215 mm²

Foundry

Intel

Intel

Memory

Memory Support

DDR4, DDR5

DDR4, DDR5

Memory Bus

Dual-channel

Dual-channel

ECC Memory

No

No

DDR4 Speed

3200 MT/s

3200 MT/s

DDR5 Speed

4800 MT/s

4800 MT/s

Platform

Socket

Intel BGA 1744

Intel Socket 1700

Chipsets

—

Z690, H670, B660, H610

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 4, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

P-Cores: 8 E-Cores: 4

E-Core Frequency

1200 MHz up to 3.5 GHz

2.7 GHz up to 3.8 GHz

Graphics

Integrated Graphics

Iris Xe 96EU

—

Other

Market

Mobile

Desktop

Production Status

Active

Active

Launch Price

—

$384

Part Number

SRLFP

SRL4P

Package

FC-BGA16F

FC-LGA16A

Tj Max

100°C

100°C

View Core i7-1255U Details View Core i7-12700KF Details