Intel Core i5 11400 vs Intel Core i7 7800X

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We compared two desktop CPUs: Intel Core i5 11400 with 6 cores 2.6GHz and Intel Core i7 7800X with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 11400 's Advantages

Released 3 years and 10 months late

Integrated graphics card

Higher specification of memory (DDR4-3200 vs DDR4-2400)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (65W vs 140W)

Intel Core i7 7800X 's Advantages

Larger memory bandwidth (79.47GB/s vs 50GB/s)

Higher base frequency (3.5GHz vs 2.6GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 11400 +39%

1343

Intel Core i7 7800X

963

Cinebench R23 Multi Core

Intel Core i5 11400 +31%

9587

Intel Core i7 7800X

7269

Geekbench 6 Single Core

Intel Core i5 11400 +40%

1915

Intel Core i7 7800X

1362

Geekbench 6 Multi Core

Intel Core i5 11400 +24%

7552

Intel Core i7 7800X

6082

Geekbench 5 Single Core

Intel Core i5 11400 +40%

1505

Intel Core i7 7800X

1069

Geekbench 5 Multi Core

Intel Core i5 11400 +7%

7090

Intel Core i7 7800X

6578

Passmark CPU Single Core

Intel Core i5 11400 +25%

3031

Intel Core i7 7800X

2409

Passmark CPU Multi Core

Intel Core i5 11400 +31%

16980

Intel Core i7 7800X

12894

Intel Core i5 11400

VS

Intel Core i7 7800X

General Parameters

Mar 2021

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Rocket Lake

Core Architecture

Skylake

i5-11400

Processor Number

i7-7800X

LGA-1200

Socket

LGA-2066

UHD Graphics 730

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1200

Socket

LGA-2066

65 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

6

Performance Cores

6

12

Performance Core Threads

12

2.6 GHz

Performance Core Base Frequency

3.5 GHz

4.4 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

26x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-2400

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

50 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1300 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

48

Texture Units

-

24

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

3840x2160 - 60 Hz

Max Resolution

-

0.35 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i5 11400

Official Website

Intel Core i7 7800X

4.0

PCIe Version

3.0

20

PCIe Lanes

28

-

Extended Instruction Set

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

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