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Intel

Core i5-8400

▲ 500 ▼

6 Cores, 6 Threads @2.80 GHz, Coffee Lake.
Release date ≈ Q4 2017.

Average Bench: 58.5% (606th of 1442)

Based on 53 user benchmarks.  Device: 1F8BFBFF000906EA Model: Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz
Poor: 38%Average: 58.5% Great: 81%
Gaming
Gaming 59%
Gunboat
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 44%
Speed boat

Popular builds with this CPU

Average average bench

The Intel Core i5-8400 averaged 41.4% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 68.2Pts
Avg. Single Core Speed 100Pts

Average consistency

The range of scores (95th - 5th percentile) for the Intel Core i5-8400 is 43.5%. This is a relatively wide range which indicates that the Intel Core i5-8400 performs inconsistently under varying real world conditions.

Weaknesses

Avg. Multi Core Speed 303Pts
Avg. Octa Core Speed 296Pts
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Average Bench

(Based on 53 samples)
Rank 60658.5%
Min Avg Max
23.9 Memory 68.2 83.7
25.3 1-Core 100 123
66.9 2-Core 198 247
67.9% 122 Pts
Min Avg Max
81.6 4-Core 281 485
55.7 8-Core 296 509
38.2% 289 Pts
Min Avg Max
96.4 64-Core 303 535
18.7% 303 Pts
User Benchmarks BenchNormalHeavyServer
The fastest CPU (mainstream) averages a speed of 100%
CPU #000, 1 CPU, 4 cores, 4 threads
Base clock 2.8 GHz, turbo 2.8 GHz (avg)
70.4% Very good
Memory 69.2
1-Core 118
2-Core 229
76% 139 Pts
4-Core 406
8-Core 447
56% 427 Pts
64-Core 454
28% 454 Pts
CPU #000, 1 CPU, 2 cores, 2 threads
Base clock 2.8 GHz, turbo 2.8 GHz (avg)
58% Above average
Memory 75.4
1-Core 118
2-Core 236
79% 143 Pts
4-Core 238
8-Core 235
32% 236 Pts
64-Core 234
14% 234 Pts
CPU #000, 1 CPU, 2 cores, 2 threads
Base clock 2.8 GHz, turbo 2.8 GHz (avg)
58% Above average
Memory 77
1-Core 117
2-Core 232
78% 142 Pts
4-Core 227
8-Core 232
30% 230 Pts
64-Core 237
15% 237 Pts
CPU #000, 1 CPU, 2 cores, 2 threads
Base clock 2.8 GHz, turbo 2.8 GHz (avg)
54.6% Above average
Memory 69
1-Core 120
2-Core 236
77% 142 Pts
4-Core 235
8-Core 228
31% 231 Pts
64-Core 231
14% 231 Pts
CPU #000, 1 CPU, 2 cores, 2 threads
Base clock 2.8 GHz
53.7% Above average
Memory 74.7
1-Core 55.5
2-Core 186
59% 105 Pts
4-Core 191
8-Core 193
26% 192 Pts
64-Core 184
11% 184 Pts
CPU 0, 1 CPU, 6 cores, 6 threads
Base clock 2.8 GHz, turbo 2.8 GHz (avg)
47.3% Average
Memory 42.3
1-Core 67.7
2-Core 132
44% 80.5 Pts
4-Core 285
8-Core 384
42% 334 Pts
64-Core 438
27% 438 Pts
CPU 0, 1 CPU, 3 cores, 3 threads
Base clock 2.8 GHz, turbo 2.8 GHz (avg)
46.4% Average
Memory 67.3
1-Core 84.3
2-Core 219
66% 124 Pts
4-Core 139
8-Core 317
26% 228 Pts
64-Core 306
19% 306 Pts
CPU 0, 1 CPU, 2 cores, 2 threads
Base clock 2.8 GHz, turbo 2.8 GHz (avg)
45.8% Average
Memory 89.1
1-Core 13.5
2-Core 34.1
37% 45.6 Pts
4-Core 18.5
8-Core 44
4% 31.2 Pts
64-Core 12.1
1% 12.1 Pts
53 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,772,399 CPUs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Core i5-8400 Builds (Compare 24,266 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 57%
Gunboat
Workstation
Workstation 2%
Tree trunk

Disqualified System: bin bin

CPU
Core i5-8400IntelBench 59%, 53 samples1x
GPU
HD 2000 (Desktop 1.1 GHz)IntelBench 1%, 150,891 samples1,322x
SVGA 3DVmwareBench 20%, 11,474 samples1,141x
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples1,040x
SSD
A400 240GBKingston  $28Bench 66%, 424,288 samples821x
Virtual NVMe Disk 64GBVmwareBench 62%, 2,103 samples456x
A400 480GBKingston  $38Bench 74%, 237,487 samples425x
RAM
2x2GBUnknownBench 20%, 446,702 samples516x
4x2GBUnknownBench 25%, 183,252 samples376x
1x8GBUnknownBench 38%, 168,538 samples297x
EDIT WITH CUSTOM PC BUILDER Value: 22% - Poor Total price: $28

Popular Core i5-8400 systems:

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Processor Rankings (Price vs Performance) April 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. 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.

 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

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

 Frequently Asked Questions

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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $269Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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