Intel Core i9 14900 vs Intel Core i7 7820X

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We compared two desktop CPUs: Intel Core i9 14900 with 24 cores 2.0GHz and Intel Core i7 7820X with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 14900 's Advantages

Released 6 years and 8 months late

Integrated graphics card

Higher specification of memory (DDR5-5600 vs DDR4-2666)

Larger memory bandwidth (89.6GB/s vs 79.47GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (36MB vs 11MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (65W vs 140W)

Intel Core i7 7820X 's Advantages

Higher base frequency (3.6GHz vs 2.0GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 14900 +68%

2251

Intel Core i7 7820X

1338

Cinebench R23 Multi Core

Intel Core i9 14900 +170%

36086

Intel Core i7 7820X

13358

Geekbench 6 Single Core

Intel Core i9 14900 +136%

2958

Intel Core i7 7820X

1252

Geekbench 6 Multi Core

Intel Core i9 14900 +163%

19826

Intel Core i7 7820X

7510

Passmark CPU Single Core

Intel Core i9 14900 +83%

4660

Intel Core i7 7820X

2536

Passmark CPU Multi Core

Intel Core i9 14900 +191%

50020

Intel Core i7 7820X

17189

Intel Core i9 14900

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Intel Core i7 7820X

General Parameters

Jan 2024

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Raptor Lake Refresh

Core Architecture

Skylake

i9-14900

Processor Number

i7-7820X

LGA-1700

Socket

LGA-2066

UHD Graphics 770

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-2066

65 W

Power Consumption

140 W

219 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

99 °C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

2.0 GHz

Performance Core Base Frequency

3.6 GHz

5.8 GHz

Performance Core Turbo Frequency

4.3 GHz

16

Efficiency Cores

-

16

Efficiency Core Threads

-

1.5 GHz

Efficiency Core Base Frequency

-

4.3 GHz

Efficiency Core Turbo Frequency

-

24

Total Core Count

8

32

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

20x

Multiplier

36x

80 K per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

1 MB per core

36 MB shared

L3 Cache

11 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5600, DDR4-3200

Memory Types

DDR4-2666

192 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

89.6 GB/s

Max Memory Bandwidth

79.47 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1650 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 14900

Official Website

Intel Core i7 7820X

5.0

PCIe Version

3.0

20

PCIe Lanes

28

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2, AVX-512

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