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IntelBX80684I58400

6 Cores, 6 Threads
@2.8GHz Coffee Lake (2017)

Real World Speed
Performance profile from 27,701 user samples
17,877 User Benchmarks
Best Bench: 101% Base clock 4.1 GHz, turbo 3.75 GHz (avg)
Worst Bench: 82% Base clock 3.6 GHz, turbo 1.3 GHz (avg)
Poor: 82% Great: 101%
SPEED RANK: 29th / 1100
Gaming
Gaming 93%
Nuclear submarine
Desktop
Desktop 90%
Aircraft carrier
Workstation
Workstation 100%
Nuclear submarine
9,824 User Benchmarks
Best Bench: 96% Base clock 2.8 GHz, turbo 3.85 GHz (avg)
Worst Bench: 85% Base clock 2.8 GHz, turbo 3.8 GHz (avg)
Poor: 85% Great: 96%
SPEED RANK: 30th / 1100
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 89%
Aircraft carrier
Workstation
Workstation 67%
Battle cruiser
Effective Speed
Effective CPU Speed
92.9 % +1% 92 %
SC Mixed
Avg. Single Core Mixed Speed
110 Pts 120 Pts Slightly faster single-core speed.
+9%
QC Mixed
Avg. Quad Core Mixed Speed
432 Pts 467 Pts Slightly faster quad-core speed.
+8%
MC Mixed
Avg. Multi Core Mixed Speed
1236 Pts Hugely faster multi-core speed.
+81%
684 Pts
SC Mixed
OC Single Core Mixed Speed
118 Pts 125 Pts Slightly faster OC single-core speed.
+6%
QC Mixed
OC Quad Core Mixed Speed
472 Pts 486 Pts +3%
MC Mixed
OC Multi Core Mixed Speed
1348 Pts Hugely faster OC multi-core speed.
+87%
722 Pts
Market Share
Based on 8,450,868 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.59 % 1.1 % Hugely higher market share.
+86%
Value
Value For Money
91.9 % 110 % Better value.
+20%
User Rating
UBM User Rating
90 % 107 % More popular.
+19%
Price
Price (score)
$300 $179 Much cheaper.
+40%
Age
Newest
13 Months 6 Months Much more recent.
+54%
TDP
Thermal Design Power (TDP)
95 Watts 65 Watts Much more energy efficient.
+32%
Cores
CPU Processing Cores
8 cores Much higher core count.
+33%
6 cores
Threads
CPU Processing Threads
16 threads Hugely higher thread count.
+167%
6 threads
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
3.6 GHz Faster base frequency.
+29%
2.8 GHz
Turbo Clock
Turbo Clock Speed
4 GHz 4 GHz
SC Int
Single Core Integer Speed
114 Pts 122 Pts Slightly faster single-core int speed.
+7%
SC Float
Single Core Floating Point Speed
123 Pts 129 Pts +5%
QC Int
Quad Core Integer Speed
455 Pts 474 Pts +4%
QC Float
Quad Core Floating Point Speed
491 Pts 503 Pts +2%
MC Int
Multi Core Integer Speed
1309 Pts Hugely faster multi-core int speed.
+86%
703 Pts
MC Float
Multi Core Floating Point Speed
1357 Pts Hugely faster multi-core fp speed.
+82%
744 Pts
Series
CPU Architecture
Zen (2017) Coffee Lake (2017)
Socket
Motherboard Socket
AM4 FCLGA1151
Graphics
Integrated Graphics
None UHD 630
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The Ryzen 7 1800X is AMD's flagship Ryzen CPU. Clocked at 3.6 GHz with a turbo frequency of 4.0 GHz (stock) this chip offers a staggering level of multi-core performance. Comparing the 1800X with the Intel i7-6850K shows that the 1800X delivers 25% more multi-core throughput than its more expensive counterpart. Historically AMD's CPU architecture has had a much lower IPC than Intel's and consequently Intel have dominated the CPU market since 2009. Comparing IPC between Intel's Kaby Lake and Ryzen shows a maximum gap of just 9%. A very welcome shake-up of the CPU market will unfold as the remaining Ryzen 5 and Ryzen 3 models are rolled out. For now the 1800X offers workstation users similar processing power to a $1,000 i7-6900K at half the price. [Mar '17 CPUPro]

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The i5-8400 is a competitively priced hex-core processor from Intel’s 8th generation of Core processors (Coffee Lake). Along with the release of the unlocked i5-8600K, this is the first time that six-core processors have featured in the i5 line-up. Like the other Coffee Lake processors, the i5-8400 is based upon an improved version of Intel’s 14nm architecture which featured in both Skylake and Kaby Lake. Early benchmarks reveal that for average quad core usage (most games employ a maximum of four cores) the i5-8400 performs way above its pay grade. It achieves quad core mixed speeds close to Intel’s outgoing 2017 flagship the $300, quad-core, 8 thread i7-7700k, which to date has been a strong favourite for high-end gaming setups. On paper, the i5-8400 has a base clock of 2.8 GHz (Intel are significantly downplaying the performance of this SKU by giving it a relatively low nominal base clock), an all core boost of 3.8 GHz (this is the effective base clock figure that counts) and a single core boost of 4 GHz. This compares reasonably well to the i5-8600K which has a base clock of 3.6 GHz, all core boost of 4.1 GHz and a single core boost of 4.3 GHz. The i5-8400 also features 9MB of L3 cache and an energy-thrifty TDP of 65W. Priced at under $190, the i5-8400 offers fantastic value for money. Unfortunately, like the other Coffee Lake processors, the i5-8400 will require a new 300 series motherboard, and at the time of writing, the only available version is Intel’s high-end Z370 which isn't an ideal pairing for the i5-8400. The Z series motherboards are designed to cater for the unlocked and overclockable "K" SKUs. Cheaper 300 series motherboards will be available in 2018 at which time the 8400 will offer even better value for money. [Oct '17 CPUPro]

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Processor Rankings (Price vs Performance) April 2018 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.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance and price.
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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

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