Intel Core i9 7920X vs Intel Core i5 8400T

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Intel Core i9 7920X

Intel Core i5 8400T

We compared two desktop CPUs: Intel Core i9 7920X with 12 cores 2.9GHz 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 7920X 's Advantages

Larger memory bandwidth (85GB/s vs 41.6GB/s)

Higher base frequency (2.9GHz vs 1.7GHz)

Larger L3 cache size (17MB vs 9MB)

Intel Core i5 8400T 's Advantages

Released 8 months late

Integrated graphics card

Lower TDP (35W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 7920X

1053

Intel Core i5 8400T +6%

1120

Geekbench 6 Multi Core

Intel Core i9 7920X +17%

4327

Intel Core i5 8400T

3670

Geekbench 5 Single Core

Intel Core i9 7920X +28%

1137

Intel Core i5 8400T

886

Geekbench 5 Multi Core

Intel Core i9 7920X +195%

11828

Intel Core i5 8400T

4000

Passmark CPU Single Core

Intel Core i9 7920X +29%

2488

Intel Core i5 8400T

1917

Passmark CPU Multi Core

Intel Core i9 7920X +215%

23468

Intel Core i5 8400T

7447

Intel Core i9 7920X

VS

Intel Core i5 8400T

General Parameters

Aug 2017

Release Date

Apr 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i9-7920X

Processor Number

i5-8400T

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

35 W

95 °C

Peak Operating Temperature

100 °C

CPU Performance

12

Performance Cores

6

24

Performance Core Threads

6

2.9 GHz

Performance Core Base Frequency

1.7 GHz

4.3 GHz

Performance Core Turbo Frequency

3.3 GHz

12

Total Core Count

6

24

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

29x

Multiplier

17x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

17 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

85 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 7920X

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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