Intel Core i9 7960X vs Intel Core i5 8400T

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We compared two desktop CPUs: Intel Core i9 7960X with 16 cores 2.8GHz and Intel Core i5 8400T with 6 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 7960X 's Advantages

Larger memory bandwidth (79.47GB/s vs 41.6GB/s)

Higher base frequency (2.8GHz vs 1.7GHz)

Larger L3 cache size (22MB vs 9MB)

Intel Core i5 8400T 's Advantages

Released 7 months late

Integrated graphics card

Lower TDP (35W vs 165W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i9 7960X +41%

1099

Intel Core i5 8400T

774

Cinebench R23 Multi Core

Intel Core i9 7960X +310%

14950

Intel Core i5 8400T

3638

Geekbench 6 Single Core

Intel Core i9 7960X +17%

1313

Intel Core i5 8400T

1120

Geekbench 6 Multi Core

Intel Core i9 7960X +147%

9066

Intel Core i5 8400T

3670

Geekbench 5 Single Core

Intel Core i9 7960X +25%

1111

Intel Core i5 8400T

886

Geekbench 5 Multi Core

Intel Core i9 7960X +242%

13687

Intel Core i5 8400T

4000

Passmark CPU Single Core

Intel Core i9 7960X +29%

2489

Intel Core i5 8400T

1917

Passmark CPU Multi Core

Intel Core i9 7960X +261%

26917

Intel Core i5 8400T

7447

Intel Core i9 7960X

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Intel Core i5 8400T

General Parameters

Sep 2017

Release Date

Apr 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i9-7960X

Processor Number

i5-8400T

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

165 W

Power Consumption

35 W

98 °C

Peak Operating Temperature

100 °C

CPU Performance

16

Performance Cores

6

32

Performance Core Threads

6

2.8 GHz

Performance Core Base Frequency

1.7 GHz

4.2 GHz

Performance Core Turbo Frequency

3.3 GHz

16

Total Core Count

6

32

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

28x

Multiplier

17x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

22 MB shared

L3 Cache

9 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

79.47 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1050 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i9 7960X

Official Website

Intel Core i5 8400T

3.0

PCIe Version

3.0

44

PCIe Lanes

16

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

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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