Intel Core i9 12900HX vs Intel Core i5 1245U

VS

Intel Core i9 12900HX

Intel Core i5 1245U

We compared two laptop CPUs: Intel Core i9 12900HX with 16 cores 2.3GHz and Intel Core i5 1245U with 10 cores 1.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900HX 's Advantages

Newer PCIe version (5.0 vs 4.0)

Higher base frequency (2.3GHz vs 1.6GHz)

Larger L3 cache size (30MB vs 12MB)

Intel Core i5 1245U 's Advantages

Better graphics card performance

Higher specification of memory (5200 vs 4800)

Lower TDP (15W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 12900HX +16%

1904

Intel Core i5 1245U

1629

Cinebench R23 Multi Core

Intel Core i9 12900HX +185%

20977

Intel Core i5 1245U

7341

Geekbench 6 Single Core

Intel Core i9 12900HX +31%

2519

Intel Core i5 1245U

1910

Geekbench 6 Multi Core

Intel Core i9 12900HX +217%

14447

Intel Core i5 1245U

4549

Blender

Intel Core i9 12900HX +164%

280

Intel Core i5 1245U

106

Geekbench 5 Single Core

Intel Core i9 12900HX +19%

1896

Intel Core i5 1245U

1583

Geekbench 5 Multi Core

Intel Core i9 12900HX +134%

16154

Intel Core i5 1245U

6900

Passmark CPU Single Core

Intel Core i9 12900HX +23%

3874

Intel Core i5 1245U

3147

Passmark CPU Multi Core

Intel Core i9 12900HX +164%

34632

Intel Core i5 1245U

13083

Intel Core i9 12900HX

VS

Intel Core i5 1245U

General Parameters

May 2022

Release Date

Feb 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Alder Lake-U

i9-12900HX

Processor Number

i5-1245U

BGA-1964

Socket

BGA-1744

UHD Graphics (32EU)

Integrated Graphics

Iris Xe Graphics G7 (80EU)

Package

10 nm

Manufacturing Process

10 nm

45-55 W

Power Consumption

12-15 W

157 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

1.6 GHz

5 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Efficiency Cores

8

Efficiency Core Threads

-

1.7 GHz

Efficiency Core Base Frequency

-

3.6 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

10

24

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

23x

Multiplier

16x

80 K per core

L1 Cache

80 K per core

1280 K per core

L2 Cache

1280 K per core

30 MB shared

L3 Cache

12 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

300 MHz

1550 MHz

GPU Max Dynamic Frequency

1200 MHz

256

Shader Units

640

16

Texture Units

40

8

Raster Operation Units

20

32

Execution Units

80

45 W

Power Consumption

15 W

0.74 TFLOPS

Graphics Performance

1.41 TFLOPS

Miscellaneous

Intel Core i9 12900HX

Official Website

Intel Core i5 1245U

5.0

PCIe Version

4.0

20

PCIe Lanes

20

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