Compare Processors

Intel Core i7-8700K vs Core i7-7820X

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Brand
Intel
Brand
Intel
Model
BX80684I78700K
Model
BX80673I77820X
Release Date
📅 October 2017
Release Date
📅 June 2017
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(230 reviews)
User reviews
★★★★☆
(21 reviews)
CPU Single-Core Performance (Charts)
115th / 529
CPU Single-Core Performance (Charts)
110th / 529
Single-Core Effective Value
143rd / 238
Single-Core Effective Value
189th / 238
Workstation Performance (Charts)
125th / 240
Workstation Performance (Charts)
97th / 240
Workstation Effective Value
127th / 234
Workstation Effective Value
125th / 234
TDP
🔌 95 Watts
TDP
🔌 140 Watts
Price history
View Details ►
Price history
View Details ►
Supported PC parts
Supported PC parts
Series
Core i7 8th Gen
Series
Core i7 X-Series
Core Name
Coffee Lake
Core Name
Skylake X
Socket
LGA1151
Socket
LGA2066
Integrated Graphics
Intel UHD Graphics 630
Integrated Graphics
None
CPU Cores
6
CPU Cores
8
CPU Threads
12
CPU Threads
16
CPU Clock Rate
3700 MHz
CPU Clock Rate
3600 MHz
CPU Turbo Clock Rate
4700 MHz
CPU Turbo Clock Rate
4500 MHz
CPU Cooler included
No
CPU Cooler included
No
Manufacturing Process
14 nm
Manufacturing Process
14 nm
Maximum Supported Memory
64 GB
Maximum Supported Memory
128 GB
Cache L3
12 MB
Cache L3
11 MB

What are the differences between Intel Core i7-8700K and Core i7-7820X? Analyze head-to-head all specifications and features to find out the better cpu.

Comparison and key differences summary

Reasons to pick the Intel Core i7-8700K:

  • 50% cheaper, you can save $188.00.
  • Moderately better single-core effective value.
  • Around 32% lower thermal design power.
  • +1 MB L3 Cache.
  • Integrated graphics in the CPU (Intel UHD Graphics 630).

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Reasons to pick the Intel Core i7-7820X:

  • Slightly better average single-core performance, around +2%.
  • Much better average multithreading performance, around +40%.
  • +2 more cores.
  • +4 more threads.

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