Compare Processors

Intel Core i9-7900X vs Core i7-7820X

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Brand
Intel
Brand
Intel
Model
BX80673I97900X
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
★★★★★
(28 reviews)
User reviews
★★★★☆
(21 reviews)
CPU Single-Core Performance (Charts)
133rd / 529
CPU Single-Core Performance (Charts)
110th / 529
Single-Core Effective Value
209th / 239
Single-Core Effective Value
194th / 239
Workstation Performance (Charts)
94th / 240
Workstation Performance (Charts)
97th / 240
Workstation Effective Value
135th / 235
Workstation Effective Value
124th / 235
TDP
🔌 140 Watts
TDP
🔌 140 Watts
Price history
View Details ►
Price history
View Details ►
Supported PC parts
Supported PC parts
Series
Core i9 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
10
CPU Cores
8
CPU Threads
20
CPU Threads
16
CPU Clock Rate
3300 MHz
CPU Clock Rate
3600 MHz
CPU Turbo Clock Rate
4500 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
13.75 MB
Cache L3
11 MB

What are the differences between Intel Core i9-7900X 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 i9-7900X:

  • Slightly better average multithreading performance, around +3%.
  • +2 more cores.
  • +4 more threads.
  • +2.75 MB L3 Cache.

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Reasons to pick the Intel Core i7-7820X:

  • 21% cheaper, you can save $100.62.
  • Slightly better average single-core performance, around +8%.
  • Moderately better single-core effective value.
  • Slightly better workstation effective value.
  • Higher CPU Clock frequency (+300 MHz).

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