IntelBX80673I79800X
IntelBX80673I77800X

8 Cores, 16 Threads @3.80 GHz, Skylake.
Release date ≈ Q4 2018.

6 Cores, 12 Threads @3.50 GHz, Skylake.
Release date ≈ Q2 2017.

Real World Speed
Performance profile from 8,759 user samples
353 User Benchmarks
Best Bench: 122% Base clock 3.8 GHz, turbo 4.8 GHz (avg)
Worst Bench: 98% Base clock 3.8 GHz, turbo 1.2 GHz (avg)
Poor: 98% Great: 122%
SPEED RANK: 20th / 1159
Gaming
Gaming 109%
UFO
Desktop
Desktop 106%
UFO
Workstation
Workstation 113%
UFO
8,406 User Benchmarks
Best Bench: 114% Base clock 3.5 GHz, turbo 4.9 GHz (avg)
Worst Bench: 85% Base clock 3.5 GHz, turbo 0.25 GHz (avg)
Poor: 85% Great: 114%
SPEED RANK: 33rd / 1159
Gaming
Gaming 98%
Nuclear submarine
Desktop
Desktop 95%
Nuclear submarine
Workstation
Workstation 87%
Aircraft carrier
Effective Speed
Effective CPU Speed
109 % Slightly faster effective speed.
+11%
98.5 %
SC Mixed
Avg. Single Core Mixed Speed
131 Pts Slightly faster single-core speed.
+6%
124 Pts
QC Mixed
Avg. Quad Core Mixed Speed
512 Pts Slightly faster quad-core speed.
+6%
482 Pts
MC Mixed
Avg. Multi Core Mixed Speed
1375 Pts Much faster multi-core speed.
+40%
984 Pts
SC Mixed
OC Single Core Mixed Speed
145 Pts +1% 144 Pts
QC Mixed
OC Quad Core Mixed Speed
579 Pts +2% 567 Pts
MC Mixed
OC Multi Core Mixed Speed
1534 Pts Much faster OC multi-core speed.
+35%
1136 Pts
Market Share
Based on 17,926,493 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.03 % 0.07 % Hugely higher market share.
+133%
Value
Value For Money
81 % 90.1 % Slightly better value.
+11%
User Rating
UBM User Rating
51 % 60 % More popular.
+18%
Price
Price (score)
$644 $370 Much cheaper.
+43%
Age
Newest
6+ Months Much more recent.
+74%
23+ Months
SC Int
Single Core Integer Speed
141 Pts +1% 140 Pts
SC Float
Single Core Floating Point Speed
150 Pts +1% 148 Pts
QC Int
Quad Core Integer Speed
564 Pts +3% 550 Pts
QC Float
Quad Core Floating Point Speed
600 Pts +2% 587 Pts
MC Int
Multi Core Integer Speed
1399 Pts Much faster multi-core int speed.
+34%
1042 Pts
MC Float
Multi Core Floating Point Speed
1641 Pts Much faster multi-core fp speed.
+35%
1216 Pts
Launch Date
Launch Date
Q4'18 Q2'17
Cache
Cache
16.5 MB SmartCache 8.25 MB L3
Instruction Set Extensions
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 SSE4.1/4.2, AVX 2.0, AVX-512
Recommended Price
Recommended Customer Price
N/A $383.00 - $389.00
Memory Types
Memory Types
DDR4-2666 DDR4-2400
Max # of PCI Express Lanes
Max # of PCI Express Lanes
44 28

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Core i7-9800X is a 64-bit octa-core high-performance x86 desktop microprocessor from Intel (late 2018). A Skylake micro-architecture chip, is fabricated on using Intel's 14 nm process. The i7-9800X operates at 3.8 GHz with a TDP of 165 W and a Turbo Boost frequency of up to 4.4 GHz and am Turbo Max Boost frequency of 4.5 GHz. The processor supports up to 128 GiB of quad-channel DDR4-2666 memory and supports 44 PCIe lanes. A strong contender to the i9-9900k, yet slightly slower, except utilizing the x299 platform allowing for more ram and PCIe lanes (44 vs 16) [Jan '19 deweycd]

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Completely outclassed by the 8700k which is cheaper and faster. RIP Skylake-X [May '18 koopahermit]

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Processor Rankings (Price vs Performance) June 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical consumers. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

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