Intel Core i7 7800X vs Intel Core i7 6785R

VS

Intel Core i7 7800X

Intel Core i7-6785R

We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz and Intel Core i7 6785R with 4 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7800X 's Advantages

Released 1 years late

Higher specification of memory (2400 vs 2133)

Larger memory bandwidth (79.47GB/s vs 34.1GB/s)

Higher base frequency (3.5GHz vs 3.3GHz)

Intel Core i7 6785R 's Advantages

Integrated graphics card

Newer PCIe version (3 vs 3.0)

Lower TDP (65W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 7800X +89%

1362

Intel Core i7 6785R

718

Geekbench 6 Multi Core

Intel Core i7 7800X +189%

6082

Intel Core i7 6785R

2101

Intel Core i7 7800X

VS

Intel Core i7 6785R

General Parameters

May 2017

Release Date

May 2016

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Skylake

Core Architecture

Skylake

i7-7800X

Processor Number

-

LGA-2066

Socket

Intel BGA 1440

N/A

Integrated Graphics

Iris Pro 580

-

Generation

Core i7(Skylake-R)

Package

14 nm

Manufacturing Process

14 nm

140 W

Power Consumption

65 W

100 °C

Peak Operating Temperature

100°C

-

Foundry

Intel

CPU Performance

6

Performance Cores

4

12

Performance Core Threads

8

3.5 GHz

Performance Core Base Frequency

3.3 GHz

4 GHz

Performance Core Turbo Frequency

3.9 GHz

6

Total Core Count

4

12

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

33.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

256 KB per core

8 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2400

Memory Types

DDR3, DDR4-2133

128 GB

Max Memory Size

64

4

Max Memory Channels

2

79.47 GB/s

Max Memory Bandwidth

34.1 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1150 MHz

Miscellaneous

Intel Core i7 7800X

Official Website

Intel Core i7 6785R

3.0

PCIe Version

3

28

PCIe Lanes

16

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

Extended Instruction Set

-

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