CPU Comparison

i

Intel

INTEL

Intel Core i5-1240U

CORE STATE Alder Lake-U

CORE SPECS 10 Cores / 12 Threads

CLOCK SPEED 1100 Base / 4.4 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 9W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

VS

i

Intel

INTEL

Core i9-11900

CORE STATE Rocket Lake

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 2.5 Base / 5.2 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 65W

ARCHITECTURE Rocket Lake

nm

PROCESS 14 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,148

1,924

cinebench_cinebench_r15_singlecore

162

271

cinebench_cinebench_r20_multicore

4,785

8,019

cinebench_cinebench_r20_singlecore

675

1,131

cinebench_cinebench_r23_multicore

11,395

19,093

cinebench_cinebench_r23_singlecore

1,608

2,695

passmark_data_compression

143,102

285,159

passmark_data_encryption

8,964

13,942

passmark_extended_instructions

7,932

19,654

passmark_find_prime_numbers

63

63

passmark_floating_point_math

29,726

48,948

passmark_integer_math

44,968

83,893

passmark_multithread

13,406

22,456

passmark_physics

981

977

passmark_random_string_sorting

15,996

33,054

passmark_single_thread

3,239

3,373

passmark_singlethread

3,239

3,373

DETAILED SPECIFICATIONS

SPECIFICATION

i5-1240U

i9-11900

Core Specs

Cores

10

8 -20.0%

Threads

12

16 +33.3%

Base Clock (GHz)

1,100

2.5 -99.8%

Boost Clock (GHz)

4.4

5.2 +18.2%

Frequency (GHz)

1,100

2.5 -99.8%

Turbo Clock (GHz)

4.4

5.2 +18.2%

Multiplier

11

25 +127.3%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

64 KB (per core)

L2 Cache

1.25 MB (per core)

512 KB (per core)

L3 Cache

12 MB (shared)

16 MB (shared)

Power

TDP (W)

9

65 +622.2%

PL1

9 W

—

PL2

29 W

—

Architecture

Architecture

Alder Lake

Rocket Lake

Codename

Alder Lake-U

Rocket Lake

Generation

Core i5 (Alder Lake-U)

Core i9 (Rocket Lake-S)

Process Size

10 nm

14 nm

Die Size

—

276 mm²

Foundry

Intel

Intel

Memory

Memory Support

DDR4, DDR5

DDR4

Memory Bus

Dual-channel

Dual-channel

Memory Bandwidth

—

51.2 GB/s

ECC Memory

No

No

Platform

Socket

Intel BGA 1781

Intel Socket 1200

Chipsets

—

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

PCIe

Gen 4

Gen 4, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

—

E-Core Frequency

800 MHz up to 3.3 GHz

—

Graphics

Integrated Graphics

Iris Xe 80EU

UHD Graphics 750

Other

Market

Mobile

Desktop

Production Status

Active

End-of-life

Launch Price

—

$439

Part Number

—

SRKNJ

Package

FC-BGA

FC-LGA14A

Tj Max

100°C

100°C

View Core i5-1240U Details View Core i9-11900 Details