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 i7-12800HX

CORE STATE Alder Lake-HX

CORE SPECS 16 Cores / 24 Threads

CLOCK SPEED 2000 Base / 4.8 GHz Turbo

CACHE 25 MB (shared)

MAX TDP 55W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,133

2,706

cinebench_cinebench_r15_singlecore

159

381

cinebench_cinebench_r20_multicore

4,722

11,275

cinebench_cinebench_r20_singlecore

666

1,591

cinebench_cinebench_r23_multicore

11,244

26,847

cinebench_cinebench_r23_singlecore

1,587

3,790

passmark_data_compression

147,320

387,535

passmark_data_encryption

9,262

21,972

passmark_extended_instructions

8,231

23,760

passmark_find_prime_numbers

40

108

passmark_floating_point_math

32,618

82,122

passmark_integer_math

48,498

109,968

passmark_multithread

13,234

31,585

passmark_physics

789

1,743

passmark_random_string_sorting

16,934

42,453

passmark_single_thread

3,192

3,711

passmark_singlethread

3,192

3,711

3dmark_16_threads

N/A

7,889

3dmark_2_threads

N/A

1,943

3dmark_4_threads

N/A

3,636

3dmark_8_threads

N/A

6,292

3dmark_max_threads

N/A

9,119

3dmark_single_thread

N/A

999

DETAILED SPECIFICATIONS

SPECIFICATION

i7-1255U

i7-12800HX

Core Specs

Cores

10

16 +60.0%

Threads

12

24 +100.0%

Base Clock (GHz)

1,700

2,000 +17.6%

Boost Clock (GHz)

4.7

4.8 +2.1%

Frequency (GHz)

1,700

2,000 +17.6%

Turbo Clock (GHz)

4.7

4.8 +2.1%

Multiplier

17

20 +17.6%

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

55 +266.7%

PL1

15 W

55 W

PL2

55 W

157 W

Architecture

Architecture

Alder Lake

Alder Lake

Codename

Alder Lake-U

Alder Lake-HX

Generation

Core i7 (Alder Lake-U)

Core i7 (Alder Lake-HX)

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 BGA 1964

Chipsets

—

HM670, WM690

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 5, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

P-Cores: 8 E-Cores: 8

E-Core Frequency

1200 MHz up to 3.5 GHz

1500 MHz up to 3.4 GHz

Graphics

Integrated Graphics

Iris Xe 96EU

UHD Graphics 770

Other

Market

Mobile

Mobile

Production Status

Active

Active

Launch Price

—

$457

Part Number

SRLFP

SRLGL

Package

FC-BGA16F

FC-BGA16F

Tj Max

100°C

100°C

View Core i7-1255U Details View Core i7-12800HX Details