CPU Comparison

i

Intel

INTEL

Intel Core i5-1235U

CORE STATE Alder Lake-U

CORE SPECS 10 Cores / 12 Threads

CLOCK SPEED 1300 Base / 4.4 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 15W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

VS

i

Intel

INTEL

Core i9-11900K

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

1,107

2,145

cinebench_cinebench_r15_singlecore

156

302

cinebench_cinebench_r20_multicore

4,613

8,938

cinebench_cinebench_r20_singlecore

651

1,261

cinebench_cinebench_r23_multicore

10,984

21,283

cinebench_cinebench_r23_singlecore

1,550

3,004

geekbench_multicore

5,656

10,915

geekbench_singlecore

1,835

2,388

passmark_data_compression

147,450

330,836

passmark_data_encryption

9,347

16,000

passmark_extended_instructions

8,176

23,406

passmark_find_prime_numbers

954

68

passmark_floating_point_math

43,303

52,841

passmark_integer_math

48,553

89,279

passmark_multithread

12,923

25,038

passmark_physics

686

1,052

passmark_random_string_sorting

17,050

37,942

passmark_single_thread

3,151

3,511

passmark_singlethread

3,151

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

DETAILED SPECIFICATIONS

SPECIFICATION

i5-1235U

i9-11900K

Core Specs

Cores

10

8 -20.0%

Threads

12

16 +33.3%

Base Clock (GHz)

1,300

3.5 -99.7%

Boost Clock (GHz)

4.4

5.3 +20.5%

Frequency (GHz)

1,300

3.5 -99.7%

Turbo Clock (GHz)

4.4

5.3 +20.5%

Multiplier

13

35 +169.2%

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)

15

125 +733.3%

PL1

15 W

—

PL2

55 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

DDR4 Speed

3200 MT/s

—

DDR5 Speed

4800 MT/s

—

Platform

Socket

Intel BGA 1744

Intel Socket 1200

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

900 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

SRLFR

SRKND

Package

FC-BGA16F

FC-LGA14A

Tj Max

100°C

100°C

View Core i5-1235U Details View Core i9-11900K Details