Average Bench: 89.3% (33rd of 1129)

Based on 41,134 user benchmarks.  Device: BFEBFBFF000906EA Model: Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz

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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Poor: 79%Average: 89.3% Great: 94%
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 86%
Aircraft carrier
Workstation
Workstation 65%
Destroyer

Very good average bench

The Intel Core i5-8400 averaged just 10.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Intel Core i5-8400 near the top of the comparison list.

Strengths

Quad Core Floating Point Speed 478Pts
Avg. Quad Core Mixed Speed 453Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core i5-8400 is just 15.2%. This is a relatively narrow range which indicates that the Intel Core i5-8400 performs reasonably consistently under varying real world conditions.

Weaknesses

Single Core Integer Speed 113Pts
Avg. Single Core Mixed Speed 117Pts
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Average Bench

(Based on 41,134 samples)
Min Avg Max
103 SC Int 113 118
107 SC Float 122 128
106 SC Mixed 117 123
93.9% 117 Pts
Min Avg Max
374 QC Int 432 461
413 QC Float 478 500
394 QC Mixed 453 478
103% 454 Pts
Min Avg Max
537 MC Int 621 677
605 MC Float 701 740
550 MC Mixed 656 704
98.6% 659 Pts
User Benchmarks Bench Single core Quad core Multi core
The fastest CPU (mainstream) averages a speed of 100%
U3E1, 1 CPU, 6 cores, 6 threads
Base clock 2.8 GHz, turbo 3.8 GHz (avg)
SC Int 116
SC Float 126
SC Mixed 120
97% 121 Pts
QC Int 452
QC Float 494
QC Mixed 474
107% 473 Pts
MC Int 673
MC Float 720
MC Mixed 699
104% 697 Pts
LGA1151, 1 CPU, 6 cores, 6 threads
Base clock 2.8 GHz, turbo 3.8 GHz (avg)
SC Int 117
SC Float 96.6
SC Mixed 119
89% 111 Pts
QC Int 445
QC Float 490
QC Mixed 467
106% 467 Pts
MC Int 640
MC Float 700
MC Mixed 640
99% 660 Pts
U3E1, 1 CPU, 6 cores, 6 threads
Base clock 2.8 GHz, turbo 3.8 GHz (avg)
SC Int 113
SC Float 123
SC Mixed 118
94% 118 Pts
QC Int 441
QC Float 462
QC Mixed 462
103% 455 Pts
MC Int 634
MC Float 728
MC Mixed 683
102% 682 Pts
U3E1, 1 CPU, 6 cores, 6 threads
Base clock 2.8 GHz, turbo 3.8 GHz (avg)
SC Int 109
SC Float 123
SC Mixed 116
93% 116 Pts
QC Int 422
QC Float 471
QC Mixed 450
101% 448 Pts
MC Int 604
MC Float 710
MC Mixed 650
98% 654 Pts
41,134 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 11,528,185 CPUs tested.

 Prices

Approx. $200 @ launch in Oct '17
EbayUS $2296 mins
AmazonUS $2311 day
OutletPCUS $2783 days
NeweggUS $39010 hrs
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Typical Core i5-8400 Builds (Compare 10,912 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 70%
Battleship
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 61%
Destroyer

Motherboard: MSI Z370-A PRO (MS-7B48) - $104

EDIT WITH CUSTOM PC BUILDER Value: 96% - Outstanding Total price: $807

Popular Core i5-8400 compatible motherboards:

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  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
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  • - RAM tests include: single/multi core bandwidth and latency.
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Processor Rankings (Price vs Performance) October 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]

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.

 Specifications

Essentials

DescriptionIntel® Core™ i5-8400 Processor (9M Cache, up to 4.00 GHz)
Code NameCoffee Lake
Launch DateQ4'17
Processor Numberi5-8400
# of Cores6
# of Threads6
Cache9 MB
Instruction Set64-bit
Instruction Set ExtensionsSSE4.1/4.2, AVX2
Embedded Options AvailableNo
Lithography14 nm
Recommended PriceN/A
Clock Speed2.80 GHz
Max Turbo Frequency4.00 GHz
Bus Speed8 GT/s DMI3
Scalability1S Only
Max TDP65 W
Thermal Solution SpecificationPCG 2015C (65W)

Graphics

Processor GraphicsIntel® UHD Graphics 630
Graphics Base Frequency350 MHz
# of Displays Supported3
Graphics Max Dynamic Frequency1.05 GHz
Quick Sync VideoYes
InTru 3D TechYes
Clear Video HD TechYes
Clear Video Tech for MIDYes
Graphics Video Max Memory64 GB

Memory

Max Memory Size64 GB
Memory TypesDDR4-2666
Memory Channels2
ECC Memory SupportedNo

Expansion Options

PCI Express Revision3.0
PCI Express ConfigurationsUp to 1x16 or 2x8 or 1x8+2x4
Max # of PCI Express Lanes16

Data Protection

AES New InstructionsYes
Secure KeyYes

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Thermal Monitoring TechnologiesYes
Turbo Boost Tech2.0
Hyper-Threading TechNo
Virtualization for Directed I/O (VT-d)Yes
VT-x with Extended Page Tables (EPT)Yes
TSX-NINo
vPro TechNo
Identity Protection TechYes
Stable Image Platform Program (SIPP)No

Package

Package Size37.5mm x 37.5mm
Max CPU Configuration1

Platform Protection

Execute Disable BitYes
OS GuardYes
Trusted Execution TechNo

 Comments

8th generation Coffee Lake processor...

Added 12 months ago.

Good (edit your comment) Add link

1 hr ago.

I use mine for VR gaming and it's been great. My son plays it in non-VR games like Rainbow Six Siege and he loves it.


Good

13 hrs ago.

its cheap better than a 7700 and its an lga 1151 300 series !!! big thumbs up to intel for making this cpu


Good

11 hrs ago.

Performance / Price = Extra good


Poor

5 days ago.

more cores at relatively effective price, and better cache than 7700


Excellent

27 days ago.

best processor in relation quality / price. It's an i7 7700 half price


Excellent

2 days ago.

It's the best Intel performer for the money, also it's definitely doing a decent job as a gaming and also as video editing/rendering CPU.


Excellent

2 months ago.

Bang for your buck performance!


Good

4 days ago.

does the job


Good

12 months ago.


Good

23 days ago.

the best for gaming price and performance


Terrible

4 months ago.

I use it and its really reliable and good.


Terrible

6 months ago.

price


Excellent

3 months ago.

This cpu is great with that price and six core perfomance


Excellent

5 months ago.

It's very very decent cpu I've bought. Love it!


Good

3 months ago.

Great budget CPU, in terms of quality and price, this is great to use and have, even if you plan to upgrade later, this could be the last thing to upgrade


Excellent

12 months ago.

Nice 6 cores for good price.


Excellent

10 months ago.

PUBG 80 FPS ULTRA Using 40 ~60 % CPU And my 1070 at 98~100% hehehe Monster CPU


Good

2 months ago.

Good value, good combination of single/multi-core performance. Latest Intel chipset provides path for future upgrades.


Excellent

28 days ago.

Bang for buck with games.


Your
opinion?
1129 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $358Samsung 850 Evo 250GB $78
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $120
Intel Core i7-7700K $355AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $147SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $145SanDisk Ultra Fit 32GB $12
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