IntelBX80684G5400
IntelBX80684I38100

2 Cores, 4 Threads @3.70 GHz, Coffee Lake.
Release date ≈ Q2 2018.

4 Cores, 4 Threads @3.6GHz, Coffee Lake.
Release date: Q4 2017.

Real World Speed
Performance profile from 41,256 user samples
2,961 User Benchmarks
Best Bench: 66% Base clock 3.7 GHz, turbo 3.7 GHz (avg)
Worst Bench: 46% Base clock 3.7 GHz, turbo 3.7 GHz (avg)
Poor: 46% Great: 66%
SPEED RANK: 240th / 1158
Gaming
Gaming 61%
Destroyer
Desktop
Desktop 69%
Battle cruiser
Workstation
Workstation 36%
Jet ski
38,295 User Benchmarks
Best Bench: 83% Base clock 3.6 GHz, turbo 3.55 GHz (avg)
Worst Bench: 62% Base clock 3.6 GHz, turbo 2 GHz (avg)
Poor: 62% Great: 83%
SPEED RANK: 95th / 1158
Gaming
Gaming 77%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 47%
Yacht
Effective Speed
Effective CPU Speed
60.8 % 77 % Faster effective speed.
+27%
SC Mixed
Avg. Single Core Mixed Speed
106 Pts 108 Pts +2%
QC Mixed
Avg. Quad Core Mixed Speed
280 Pts 396 Pts Much faster quad-core speed.
+41%
MC Mixed
Avg. Multi Core Mixed Speed
287 Pts 407 Pts Much faster multi-core speed.
+42%
SC Mixed
OC Single Core Mixed Speed
114 Pts +2% 112 Pts
QC Mixed
OC Quad Core Mixed Speed
309 Pts 439 Pts Much faster OC quad-core speed.
+42%
MC Mixed
OC Multi Core Mixed Speed
313 Pts 441 Pts Much faster OC multi-core speed.
+41%
Market Share
Based on 17,143,379 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.1 % 0.62 % Hugely higher market share.
+520%
Value
Value For Money
102 % 104 % +2%
User Rating
UBM User Rating
61 % 90 % Much more popular.
+48%
Price
Price (score)
$73 Much cheaper.
+44%
$130
Age
Newest
13+ Months Much more recent.
+32%
19 Months
SC Int
Single Core Integer Speed
111 Pts +3% 108 Pts
SC Float
Single Core Floating Point Speed
118 Pts +1% 117 Pts
QC Int
Quad Core Integer Speed
285 Pts 420 Pts Much faster quad-core int speed.
+47%
QC Float
Quad Core Floating Point Speed
329 Pts 466 Pts Much faster quad-core fp speed.
+42%
MC Int
Multi Core Integer Speed
284 Pts 422 Pts Much faster multi-core int speed.
+49%
MC Float
Multi Core Floating Point Speed
330 Pts 467 Pts Much faster multi-core fp speed.
+42%
Launch Date
Launch Date
Q2'18 Q4'17
Cache
Cache
4 MB SmartCache 6 MB
Instruction Set Extensions
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2 SSE4.1/4.2, AVX2
Embedded Options Available
Embedded Options Available
Yes No
Recommended Price
Recommended Customer Price
$64.00 N/A
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Processor Graphics
Processor Graphics ‡
Intel® UHD Graphics 610 Intel® UHD Graphics 630
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.05 GHz 1.10 GHz
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
OS Guard
Intel® OS Guard
No Yes
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 Up to 1x16 or 2x8 or 1x8+2x4

More specs » More specs »
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This little thing may be cheap, but it is a BEAST! It beats the 7th gen i5-7200, which is more expensive and "superior." [Jul '18 BudgetGuy]

MORE DETAILS

Intel’s i3-8100 from their 8th generation of Core processors is a mainstream quad-core CPU. It is the entry model of the latest Coffee Lake line up with a clock speed of 3.6 GHz. Previously, i3 Kaby Lake processors had two cores with hyperthreading, but now, i3 Coffee Lake processors have 4 cores and offer much better value for money in terms of dollars per core. With a performance profile that closely matches last years mid range Kaby Lake i5's (the then go-to mid range gaming choice) and a price tag of just $120, the i3-8100 represents excellent value for money. Unfortunately, like all Coffe Lake processors, the i3-8100 does require a new 300-series motherboard even though it shares the same LGA1151 socket as the previous generation of Kaby Lake 200 motherboards. Intel were clearly mindful of AMD's similarly priced quad core Ryzen 3 1200 which achieves very comparable single, and quad-core benchmarks to the i3-8100.  [Oct '17 CPUPro]

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Processor Rankings (Price vs Performance) May 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.
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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.

 Frequently Asked Questions

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HDDRAMUSB
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WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $601SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3200 C16 2x8GB $95SanDisk Ultra Fit 32GB $12
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