Intel Core i7 7820X vs Intel Core i3 7100T

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We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i3 7100T with 2 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7820X Advantages

Higher specification of memory (DDR4-2666 vs DDR4-2400)

Larger memory bandwidth (79.47GB/s vs 38.4GB/s)

Higher base frequency (3.6GHz vs 3.4GHz)

Larger L3 cache size (11MB vs 3MB)

Intel Core i3 7100T Advantages

Integrated graphics card

Lower TDP (35W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7820X +14%

1252

Intel Core i3 7100T

1098

Geekbench 6 Multi Core

Intel Core i7 7820X +230%

7510

Intel Core i3 7100T

2269

Geekbench 5 Single Core

Intel Core i7 7820X +29%

1120

Intel Core i3 7100T

864

Geekbench 5 Multi Core

Intel Core i7 7820X +342%

8504

Intel Core i3 7100T

1922

Passmark CPU Single Core

Intel Core i7 7820X +27%

2536

Intel Core i3 7100T

1983

Passmark CPU Multi Core

Intel Core i7 7820X +356%

17189

Intel Core i3 7100T

3762

Intel Core i7 7820X

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Intel Core i3 7100T

General Parameters

May 2017

Release Date

Jan 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Kaby Lake

i7-7820X

Processor Number

i3-7100T

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

HD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

140 W

Power Consumption

35 W

99 °C

Peak Operating Temperature

92 °C

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

4

3.6 GHz

Performance Core Base Frequency

3.4 GHz

4.3 GHz

Performance Core Turbo Frequency

-

8

Total Core Count

2

16

Total Thread Count

4

100 MHz

Bus Frequency

-

36x

Multiplier

34x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

11 MB shared

L3 Cache

3 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-2400, DDR3L-1600

128 GB

Max Memory Size

64 GB

4

Max Memory Channels

2

79.47 GB/s

Max Memory Bandwidth

38.4 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1100 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

0.44 TFLOPS

Miscellaneous

Intel Core i7 7820X

Official Website

Intel Core i3 7100T

3.0

PCIe Version

3.0

28

PCIe Lanes

16

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

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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