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 i9-11900K

CORE STATE Rocket Lake

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.5 Base / 5.3 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 125W

ARCHITECTURE Rocket Lake

nm

PROCESS 14 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,148

2,145

cinebench_cinebench_r15_singlecore

162

302

cinebench_cinebench_r20_multicore

4,785

8,938

cinebench_cinebench_r20_singlecore

675

1,261

cinebench_cinebench_r23_multicore

11,395

21,283

cinebench_cinebench_r23_singlecore

1,608

3,004

passmark_data_compression

143,102

330,836

passmark_data_encryption

8,964

16,000

passmark_extended_instructions

7,932

23,406

passmark_find_prime_numbers

63

68

passmark_floating_point_math

29,726

52,841

passmark_integer_math

44,968

89,279

passmark_multithread

13,406

25,038

passmark_physics

981

1,052

passmark_random_string_sorting

15,996

37,942

passmark_single_thread

3,239

3,511

passmark_singlethread

3,239

3,511

3dmark_16_threads

N/A

8,331

3dmark_2_threads

N/A

1,975

3dmark_4_threads

N/A

3,778

3dmark_8_threads

N/A

6,528

3dmark_max_threads

N/A

8,319

3dmark_single_thread

N/A

1,011

geekbench_multicore

N/A

10,915

geekbench_singlecore

N/A

2,388

DETAILED SPECIFICATIONS

SPECIFICATION

i5-1240U

i9-11900K

Core Specs

Cores

10

8 -20.0%

Threads

12

16 +33.3%

Base Clock (GHz)

1,100

3.5 -99.7%

Boost Clock (GHz)

4.4

5.3 +20.5%

Frequency (GHz)

1,100

3.5 -99.7%

Turbo Clock (GHz)

4.4

5.3 +20.5%

Multiplier

11

35 +218.2%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

80 KB (per core)

80 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

125 +1288.9%

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

—

$539

Part Number

—

SRKND

Package

FC-BGA

FC-LGA14A

Tj Max

100°C

100°C

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