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 i9-12900K

CORE STATE Alder Lake-S

CORE SPECS 16 Cores / 24 Threads

CLOCK SPEED 3.2 Base / 5.2 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 125W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

1,148

3,531

cinebench_cinebench_r15_singlecore

162

498

cinebench_cinebench_r20_multicore

4,785

14,713

cinebench_cinebench_r20_singlecore

675

2,076

cinebench_cinebench_r23_multicore

11,395

35,031

cinebench_cinebench_r23_singlecore

1,608

4,945

passmark_data_compression

143,102

537,341

passmark_data_encryption

8,964

29,579

passmark_extended_instructions

7,932

33,682

passmark_find_prime_numbers

63

147

passmark_floating_point_math

29,726

105,471

passmark_integer_math

44,968

139,090

passmark_multithread

13,406

41,213

passmark_physics

981

2,219

passmark_random_string_sorting

15,996

57,094

passmark_single_thread

3,239

4,136

passmark_singlethread

3,239

4,136

3dmark_16_threads

N/A

9,912

3dmark_2_threads

N/A

2,120

3dmark_4_threads

N/A

4,145

3dmark_8_threads

N/A

7,596

3dmark_max_threads

N/A

11,620

3dmark_single_thread

N/A

1,073

geekbench_multicore

N/A

15,525

geekbench_singlecore

N/A

2,640

DETAILED SPECIFICATIONS

SPECIFICATION

i5-1240U

i9-12900K

Core Specs

Cores

10

16 +60.0%

Threads

12

24 +100.0%

Base Clock (GHz)

1,100

3.2 -99.7%

Boost Clock (GHz)

4.4

5.2 +18.2%

Frequency (GHz)

1,100

3.2 -99.7%

Turbo Clock (GHz)

4.4

5.2 +18.2%

Multiplier

11

32 +190.9%

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)

9

125 +1288.9%

PL1

9 W

241 W

PL2

29 W

241 W

Architecture

Architecture

Alder Lake

Alder Lake

Codename

Alder Lake-U

Alder Lake-S

Generation

Core i5 (Alder Lake-U)

Core i9 (Alder Lake-S)

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

Memory Bandwidth

—

76.8 GB/s

ECC Memory

No

Yes

DDR4 Speed

—

3200 MT/s

Platform

Socket

Intel BGA 1781

Intel Socket 1700

Chipsets

—

Z690, W680, H670, Q670, B660, H610, Z790, H770, B760

PCIe

Gen 4

Gen 5, 16 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

P-Cores: 2 E-Cores: 8

P-Cores: 8 E-Cores: 8

E-Core Frequency

800 MHz up to 3.3 GHz

2.4 GHz up to 3.9 GHz

Graphics

Integrated Graphics

Iris Xe 80EU

UHD Graphics 770

Other

Market

Mobile

Desktop

Production Status

Active

Active

Launch Price

—

$599

Part Number

—

SRL4H

Package

FC-BGA

FC-LGA16A

Tj Max

100°C

100°C

View Core i5-1240U Details View Core i9-12900K Details