CPU Comparison

i

Intel

INTEL

Intel Core i7-1280P

CORE STATE Alder Lake-P

CORE SPECS 14 Cores / 20 Threads

CLOCK SPEED 1800 Base / 4.8 GHz Turbo

CACHE 24 MB (shared)

MAX TDP 28W

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

1,722

1,924

cinebench_cinebench_r15_singlecore

243

271

cinebench_cinebench_r20_multicore

7,178

8,019

cinebench_cinebench_r20_singlecore

1,013

1,131

cinebench_cinebench_r23_multicore

17,091

19,093

cinebench_cinebench_r23_singlecore

2,412

2,695

passmark_data_compression

220,621

285,159

passmark_data_encryption

13,179

13,942

passmark_extended_instructions

12,897

19,654

passmark_find_prime_numbers

86

63

passmark_floating_point_math

51,355

48,948

passmark_integer_math

75,485

83,893

passmark_multithread

20,168

22,456

passmark_physics

1,411

977

passmark_random_string_sorting

24,308

33,054

passmark_single_thread

3,316

3,373

passmark_singlethread

3,316

3,373

DETAILED SPECIFICATIONS

SPECIFICATION

i7-1280P

i9-11900

Core Specs

Cores

14

8 -42.9%

Threads

20

16 -20.0%

Base Clock (GHz)

1,800

2.5 -99.9%

Boost Clock (GHz)

4.8

5.2 +8.3%

Frequency (GHz)

1,800

2.5 -99.9%

Turbo Clock (GHz)

4.8

5.2 +8.3%

Multiplier

18

25 +38.9%

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

24 MB (shared)

16 MB (shared)

Power

TDP (W)

28

65 +132.1%

PL1

28 W

—

PL2

64 W

—

Architecture

Architecture

Alder Lake

Rocket Lake

Codename

Alder Lake-P

Rocket Lake

Generation

Core i7 (Alder Lake-P)

Core i9 (Rocket Lake-S)

Process Size

10 nm

14 nm

Die Size

217 mm²

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: 6 E-Cores: 8

—

E-Core Frequency

1300 MHz up to 3.6 GHz

—

Graphics

Integrated Graphics

Iris Xe 96EU

UHD Graphics 750

Other

Market

Mobile

Desktop

Production Status

Active

End-of-life

Launch Price

—

$439

Part Number

SRLD5

SRKNJ

Package

FC-BGA16F

FC-LGA14A

Tj Max

100°C

100°C

View Core i7-1280P Details View Core i9-11900 Details