Intel Core i5 6400 vs Intel Core i7 9700T

VS

We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core i7 9700T with 8 cores 2.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages

Higher base frequency (2.7GHz vs 2.0GHz)

Intel Core i7 9700T 's Advantages

Released 3 years and 7 months late

Higher specification of memory (DDR4-2666 vs DDR4-2133)

Larger memory bandwidth (41.6GB/s vs 34.1GB/s)

Larger L3 cache size (12MB vs 6MB)

Lower TDP (35W vs 65W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 6400

1143

Intel Core i7 9700T +24%

1428

Geekbench 6 Multi Core

Intel Core i5 6400

3312

Intel Core i7 9700T +40%

4669

Geekbench 5 Single Core

Intel Core i5 6400

853

Intel Core i7 9700T +26%

1075

Geekbench 5 Multi Core

Intel Core i5 6400

2805

Intel Core i7 9700T +102%

5678

Passmark CPU Single Core

Intel Core i5 6400

1961

Intel Core i7 9700T +23%

2431

Passmark CPU Multi Core

Intel Core i5 6400

5151

Intel Core i7 9700T +108%

10740

Intel Core i5 6400

VS

Intel Core i7 9700T

General Parameters

Sep 2015

Release Date

Apr 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i5-6400

Processor Number

i7-9700T

LGA-1151

Socket

LGA-1151

HD Graphics 530

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-1151

65 W

Power Consumption

35 W

-

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

8

4

Performance Core Threads

8

2.7 GHz

Performance Core Base Frequency

2.0 GHz

3.3 GHz

Performance Core Turbo Frequency

4.3 GHz

4

Total Core Count

8

4

Total Thread Count

8

100 MHz

Bus Frequency

-

27x

Multiplier

20x

64 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

256 K per core

6 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2133, DDR3L-1600

Memory Types

DDR4-2666

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

2

34.1 GB/s

Max Memory Bandwidth

41.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

950 MHz

GPU Max Dynamic Frequency

1200 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 i5 6400

Official Website

Intel Core i7 9700T

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

Related CPU Comparisons

1

Intel Core i3 6100 vs Intel Core i5 6400

2

Intel Core i5 6400 vs Intel Core i3 7100

3

Intel Core i5 6400 vs Intel Core i3 9100F

4

Intel Core i5 6400 vs Intel Core i7 6700

5

Intel Pentium G4560 vs Intel Core i5 6400

6

Intel Core i5 6400 vs Intel Pentium G4400

7

Intel Core i5 7500 vs Intel Core i5 6400

8

AMD Ryzen Threadripper 7960X vs Intel Core i7 9700T

9

Intel Core i5 6400 vs Intel Core i5 13490F

10

Intel Core i5 6400 vs AMD Ryzen 7 4700GE