Compare Processors

Intel Core i7-7800X vs Core i7-7820X

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Brand
Intel
Brand
Intel
Model
BX80673I77800X
Model
BX80673I77820X
Release Date
📅 June 2017
Release Date
📅 June 2017
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(16 reviews)
User reviews
★★★★☆
(21 reviews)
CPU Single-Core Performance (Charts)
194th / 529
CPU Single-Core Performance (Charts)
110th / 529
Single-Core Effective Value
196th / 238
Single-Core Effective Value
189th / 238
Workstation Performance (Charts)
148th / 240
Workstation Performance (Charts)
97th / 240
Workstation Effective Value
162nd / 234
Workstation Effective Value
125th / 234
TDP
🔌 140 Watts
TDP
🔌 140 Watts
Price history
View Details ►
Price history
View Details ►
Supported PC parts
Supported PC parts
Series
Core i7 X-Series
Series
Core i7 X-Series
Core Name
Skylake X
Core Name
Skylake X
Socket
LGA2066
Socket
LGA2066
Integrated Graphics
None
Integrated Graphics
None
CPU Cores
6
CPU Cores
8
CPU Threads
12
CPU Threads
16
CPU Clock Rate
3500 MHz
CPU Clock Rate
3600 MHz
CPU Turbo Clock Rate
4000 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
128 GB
Maximum Supported Memory
128 GB
Cache L3
8.25 MB
Cache L3
11 MB

What are the differences between Intel Core i7-7800X 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 i7-7800X:

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Reasons to pick the Intel Core i7-7820X:

  • 25% cheaper, you can save $124.99.
  • Much better average single-core performance, around +39%.
  • Much better single-core effective value.
  • Hugely better average multithreading performance, around +84%.
  • Moderately better workstation effective value.
  • +2 more cores.
  • +4 more threads.
  • +2.75 MB L3 Cache.
  • Higher CPU Clock frequency (+100 MHz).
  • Higher Max Turbo Clock frequency (+500 MHz).

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