Intel Core i7 7740X vs Intel Core i7 7800X

VS

Intel Core i7 7740X

Intel Core i7 7800X

We compared two desktop CPUs: Intel Core i7 7740X with 4 cores 4.3GHz 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 i7 7740X 's Advantages

Higher specification of memory (2666 vs 2400)

Higher base frequency (4.3GHz vs 3.5GHz)

Lower TDP (112W vs 140W)

Intel Core i7 7800X 's Advantages

Larger memory bandwidth (79.47GB/s vs 42.7GB/s)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7740X +14%

1553

Intel Core i7 7800X

1362

Geekbench 6 Multi Core

Intel Core i7 7740X

5516

Intel Core i7 7800X +10%

6082

Geekbench 5 Single Core

Intel Core i7 7740X +20%

1291

Intel Core i7 7800X

1069

Geekbench 5 Multi Core

Intel Core i7 7740X

5001

Intel Core i7 7800X +31%

6578

Passmark CPU Single Core

Intel Core i7 7740X +14%

2759

Intel Core i7 7800X

2409

Passmark CPU Multi Core

Intel Core i7 7740X

9824

Intel Core i7 7800X +31%

12894

Intel Core i7 7740X

VS

Intel Core i7 7800X

General Parameters

May 2017

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Kaby Lake

Core Architecture

Skylake

i7-7740X

Processor Number

i7-7800X

LGA-2066

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

112 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

6

8

Performance Core Threads

12

4.3 GHz

Performance Core Base Frequency

3.5 GHz

4.5 GHz

Performance Core Turbo Frequency

4 GHz

4

Total Core Count

6

8

Total Thread Count

12

-

Bus Frequency

100 MHz

43x

Multiplier

35x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2400

64 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

42.7 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7740X

Official Website

Intel Core i7 7800X

3.0

PCIe Version

3.0

16

PCIe Lanes

28

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

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

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