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IntelBX80684I38100
IntelBX80684I58400
▲ 88859 ▼

4 Cores, 4 Threads
@3.6GHz Coffee Lake (2017)

VS
Copy
▲ 1071,163 ▼

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

Effective Speed 
+13%
Real World Speed
Performance profile from 14,813 user samples
Benchmark your CPU here
4,843 User Benchmarks
Best Bench: 86% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Worst Bench: 69% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Poor: 69% Great: 86%
SPEED RANK: 54th / 1089
Gaming
Gaming 81%
Aircraft carrier
Desktop
Desktop 79%
Battleship
Workstation
Workstation 49%
Yacht
9,970 User Benchmarks
Best Bench: 96% Base clock 2.8 GHz, turbo 3.8 GHz (avg)
Worst Bench: 85% Base clock 2.8 GHz, turbo 3.8 GHz (avg)
Poor: 85% Great: 96%
SPEED RANK: 30th / 1089
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 89%
Aircraft carrier
Workstation
Workstation 67%
Battle cruiser
Effective Speed
Effective CPU Speed 		81.3 % 92.1 % Slightly faster effective speed.
+13%
Average User Bench 
+26%
SC Mixed
Avg. Single Core Mixed Speed 		111 Pts 120 Pts Slightly faster single-core speed.
+8%
QC Mixed
Avg. Quad Core Mixed Speed 		423 Pts 468 Pts Slightly faster quad-core speed.
+11%
MC Mixed
Avg. Multi Core Mixed Speed 		432 Pts 687 Pts Much faster multi-core speed.
+59%
Peak Overclocked Bench 
+25%
SC Mixed
OC Single Core Mixed Speed 		114 Pts 125 Pts Slightly faster OC single-core speed.
+10%
QC Mixed
OC Quad Core Mixed Speed 		455 Pts 487 Pts Slightly faster OC quad-core speed.
+7%
MC Mixed
OC Multi Core Mixed Speed 		458 Pts 723 Pts Much faster OC multi-core speed.
+58%
Value & Sentiment 
+49%
Market Share
Based on 8,436,451 CPUs tested.
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.36 % 1.13 % Hugely higher market share.
+214%
Value
Value For Money 		115 % +4% 111 %
User Rating
UBM User Rating 		88 % 107 % More popular.
+22%
Price
Price (score) 		$115 Much cheaper.
+36% 		$179
Nice To Haves 
+18%
Age
Newest 		6 Months 6 Months
TDP
Thermal Design Power (TDP) 		65 Watts 65 Watts
Cores
CPU Processing Cores 		4 cores 6 cores Much higher core count.
+50%
Threads
CPU Processing Threads 		4 threads 6 threads Much higher thread count.
+50%
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 		3.6 GHz 4 GHz Slightly faster turbo frequency.
+11%
SC Int
Single Core Integer Speed 		111 Pts 122 Pts Slightly faster single-core int speed.
+10%
SC Float
Single Core Floating Point Speed 		118 Pts 129 Pts Slightly faster single-core fp speed.
+9%
QC Int
Quad Core Integer Speed 		444 Pts 476 Pts Slightly faster quad-core int speed.
+7%
QC Float
Quad Core Floating Point Speed 		469 Pts 504 Pts Slightly faster quad-core fp speed.
+7%
MC Int
Multi Core Integer Speed 		444 Pts 703 Pts Much faster multi-core int speed.
+58%
MC Float
Multi Core Floating Point Speed 		471 Pts 744 Pts Much faster multi-core fp speed.
+58%
Specifications 
Series
CPU Architecture 		Coffee Lake (2017) Coffee Lake (2017)
Socket
Motherboard Socket 		FCLGA1151 FCLGA1151
Graphics
Integrated Graphics 		UHD 630 UHD 630
Cache
Cache 		6 MB 9 MB
Memory Types
Memory Types 		DDR4-2400 DDR4-2666
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency 		1.10 GHz 1.05 GHz
Turbo Boost Tech
Intel® Turbo Boost Technology 		No 2.0

More specs » More specs »
Conclusion 
Average Bench 81.4%
Average Bench 92.1%
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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]

MORE DETAILS

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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