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 i9-12950HX

CORE STATE Alder Lake-HX

CORE SPECS 16 Cores / 24 Threads

CLOCK SPEED 2.3 Base / 5 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 55W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,133

2,712

cinebench_cinebench_r15_singlecore

159

382

cinebench_cinebench_r20_multicore

4,722

11,301

cinebench_cinebench_r20_singlecore

666

1,595

cinebench_cinebench_r23_multicore

11,244

26,908

cinebench_cinebench_r23_singlecore

1,587

3,798

passmark_data_compression

147,320

367,930

passmark_data_encryption

9,262

21,395

passmark_extended_instructions

8,231

22,163

passmark_find_prime_numbers

40

135

passmark_floating_point_math

32,618

80,402

passmark_integer_math

48,498

109,586

passmark_multithread

13,234

31,673

passmark_physics

789

2,084

passmark_random_string_sorting

16,934

41,209

passmark_single_thread

3,192

3,778

passmark_singlethread

3,192

3,778

DETAILED SPECIFICATIONS

SPECIFICATION

i7-1255U

i9-12950HX

Core Specs

Cores

10

16 +60.0%

Threads

12

24 +100.0%

Base Clock (GHz)

1,700

2.3 -99.9%

Boost Clock (GHz)

4.7

5 +6.4%

Frequency (GHz)

1,700

2.3 -99.9%

Turbo Clock (GHz)

4.7

5 +6.4%

Multiplier

17

23 +35.3%

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)

30 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 i9 (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

Yes

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

1700 MHz up to 3.6 GHz

Graphics

Integrated Graphics

Iris Xe 96EU

UHD Graphics 770

Other

Market

Mobile

Mobile

Production Status

Active

Active

Launch Price

—

$590

Part Number

SRLFP

SRLGG

Package

FC-BGA16F

FC-BGA16F

Tj Max

100°C

100°C

View Core i7-1255U Details View Core i9-12950HX Details