CPU Comparison

Intel Core i7 7800X

6C / 12T

3.5 - 4 GHz

TDP: 140W

View full specs

Intel Core i7 7820X

8C / 16T

3.6 - 4.3 GHz

TDP: 140W

View full specs

Benchmark Scores

C23

Cinebench R23 (Single-Core)

Intel Core i7 7800X964

Intel Core i7 7820X1,346

Difference: 39.6% (Intel faster)

C23

Cinebench R23 (Multi-Core)

Intel Core i7 7800X7,325

Intel Core i7 7820X13,468

Difference: 83.9% (Intel faster)

C20

Cinebench R20 (Multi-Core)

Intel Core i7 7800X2,809

Intel Core i7 7820X5,155

Difference: 83.5% (Intel faster)

Geekbench 6 (Single-Core)

Intel Core i7 7800X1,362

Intel Core i7 7820X1,252

Difference: 8.8% (Intel faster)

Geekbench 6 (Multi-Core)

Intel Core i7 7800X6,082

Intel Core i7 7820X7,510

Difference: 23.5% (Intel faster)

Geekbench 5 (Single-Core)

Intel Core i7 7800X1,069

Intel Core i7 7820X1,120

Difference: 4.8% (Intel faster)

Geekbench 5 (Multi-Core)

Intel Core i7 7800X6,578

Intel Core i7 7820X8,504

Difference: 29.3% (Intel faster)

PassMark (Single-Core)

Intel Core i7 7800X2,409

Intel Core i7 7820X2,536

Difference: 5.3% (Intel faster)

PassMark (Multi-Core)

Intel Core i7 7800X12,894

Intel Core i7 7820X17,189

Difference: 33.3% (Intel faster)

Specifications

Cores

Threads

3.5 GHz

Base Frequency

3.6 GHz

4 GHz

Boost Frequency

4.3 GHz

140 W

TDP

140 W

LGA-2066

Socket

LGA-2066

Skylake

Architecture

Skylake

14nm

Manufacturing

14nm

2017

Release Year

2017

8MB shared

L3 Cache

11MB shared

DDR4-2400

Memory Support

DDR4-2666

128GB

Max Memory

128GB

PCIe Version

Related Comparisons

Intel Core i7 7820X vs Intel Core i9 9900X

Intel 8C/16T vs Intel 10C/20T

Same socket

Intel Core i7 7820X vs Intel Core i7 9800X

Intel 8C/16T vs Intel 8C/16T

Same socket

Intel Core i7 7820X vs Intel Core i9 7900X

Intel 8C/16T vs Intel 10C/20T

Same socket

Intel Core i7 7820X vs Intel Core i9 9940X

Intel 8C/16T vs Intel 14C/28T

Same socket

Intel Core i7 7800X vs Intel Core i9 9900X

Intel 6C/12T vs Intel 10C/20T

Same socket