CPU Comparison

i

Intel

INTEL

Intel Core i5-11400

CORE STATE Rocket Lake

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 2.6 Base / 4.4 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 65W

ARCHITECTURE Rocket Lake

nm

PROCESS 14 nm

LAUNCH DATE 2021

VS

i

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

PERFORMANCE BENCHMARKS

3dmark_16_threads

5,609

N/A

3dmark_2_threads

1,679

N/A

3dmark_4_threads

3,145

N/A

3dmark_8_threads

4,692

N/A

3dmark_max_threads

5,630

N/A

3dmark_single_thread

865

N/A

cinebench_cinebench_r15_multicore

1,429

1,133

cinebench_cinebench_r15_singlecore

201

159

cinebench_cinebench_r20_multicore

5,957

4,722

cinebench_cinebench_r20_singlecore

840

666

cinebench_cinebench_r23_multicore

14,184

11,244

cinebench_cinebench_r23_singlecore

2,002

1,587

passmark_data_compression

206,952

147,320

passmark_data_encryption

10,264

9,262

passmark_extended_instructions

14,901

8,231

passmark_find_prime_numbers

49

40

passmark_floating_point_math

34,004

32,618

passmark_integer_math

57,601

48,498

passmark_multithread

16,690

13,234

passmark_physics

793

789

passmark_random_string_sorting

23,974

16,934

passmark_single_thread

2,990

3,192

passmark_singlethread

2,990

3,192

DETAILED SPECIFICATIONS

SPECIFICATION

i5-11400

i7-1255U

Core Specs

Cores

6

10 +66.7%

Threads

12

12 0.0%

Base Clock (GHz)

2.6

1,700 +65284.6%

Boost Clock (GHz)

4.4

4.7 +6.8%

Frequency (GHz)

2.6

1,700 +65284.6%

Turbo Clock (GHz)

4.4

4.7 +6.8%

Multiplier

26

17 -34.6%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

80 KB (per core)

L2 Cache

512 KB (per core)

1.25 MB (per core)

L3 Cache

12 MB (shared)

12 MB (shared)

Power

TDP (W)

65

15 -76.9%

PL1

—

15 W

PL2

—

55 W

Architecture

Architecture

Rocket Lake

Alder Lake

Codename

Rocket Lake

Alder Lake-U

Generation

Core i5 (Rocket Lake-S)

Core i7 (Alder Lake-U)

Process Size

14 nm

10 nm

Die Size

276 mm²

—

Foundry

Intel

Intel

Memory

Memory Support

DDR4

DDR4, DDR5

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

51.2 GB/s

—

ECC Memory

No

No

DDR4 Speed

—

3200 MT/s

DDR5 Speed

—

4800 MT/s

Platform

Socket

Intel Socket 1200

Intel BGA 1744

Chipsets

H510, B560, H570, Q570, W580, Z590, Q470, H470, W480, Z490

—

PCIe

Gen 4, 20 Lanes(CPU only)

Gen 4, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 2 E-Cores: 8

E-Core Frequency

—

1200 MHz up to 3.5 GHz

Graphics

Integrated Graphics

UHD Graphics 730

Iris Xe 96EU

Other

Market

Desktop

Mobile

Production Status

End-of-life

Active

Launch Price

$182

—

Part Number

SRKP0

SRLFP

Package

FC-LGA14A

FC-BGA16F

Tj Max

100°C

100°C

View Core i5-11400 Details View Core i7-1255U Details