Intel Core i5-9400: specs and benchmarks

Intel Core i5-9400

Summary

Intel started Intel Core i5-9400 sales 7 January 2019 at a recommended price of $182. This is Coffee Lake architecture desktop processor primarily aimed at office systems. It has 6 cores and 6 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 4100 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA1151 processor with a TDP of 65 Watt and a maximum temperature of 72 °C. It supports DDR4-2666 memory.

It provides poor benchmark performance at 10.85 percent of a leader's which is AMD EPYC 7763.

General info

Of Core i5-9400 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in our rating
 
Value for money (0-100)
2.93
 
Market segment
Desktop processor
 
Series
Intel Core i5
 
Architecture codename
Coffee Lake
 
Launch date
7 January 2019 (2 years ago)
 
Launch price (MSRP)
$182
 
Price now
$584
 

Technical specs

Basic processor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores
6
 
Threads
6
 
Base clock speed
2.9 GHz
 
of 4.7 (FX-9590)
Boost clock speed
4.1 GHz
 
Bus support
4 × 8 GT/s
 
L1 cache
384 KB
 
of 896 (Atom C3950)
L2 cache
1.5 MB
 
L3 cache
9 MB (shared)
 
Chip lithography
14 nm
 
of 5 (Apple M1)
Die size
149 mm2
 
Maximum core temperature
100 °C
 
of 110 (Atom x7-E3950)
Maximum case temperature (TCase)
72 °C
 
of 105 (Core i7-5557U)
64 bit support
+
 

Compatibility

Information on Core i5-9400 compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one.

Number of CPUs in a configuration
1
 
Socket
FCLGA1151
 
Thermal design power (TDP)
65 Watt
 

Technologies and extensions

Technological capabilities and additional instructions supported by Core i5-9400. You'll probably need this information if you require some particular technology.

Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
 
AES-NI
+
 
AVX
+
 
vPro
-
 
Enhanced SpeedStep (EIST)
+
 
Turbo Boost Technology
2.0
 
Hyper-Threading Technology
-
 
Idle States
+
 
Thermal Monitoring
+
 

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT
-
 
EDB
+
 
Secure Key
+
 
MPX
+
 
Identity Protection
+
 
SGX
Yes with Intel® ME
 
OS Guard
+
 

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d
+
 
VT-x
+
 
EPT
+
 

Memory specs

Types, maximum amount and channel number of RAM supported by Core i5-9400's memory controller.

Supported memory types
DDR4-2666
 
of 4266 (Ryzen 9 4900H)
Maximum memory size
128 GB
 
Max memory channels
2
 
Maximum memory bandwidth
41.6 GB/s
 

Graphics specifications

General parameters of GPU integrated into Core i5-9400.

Integrated graphics card
 
Max video memory
64 GB
 
Quick Sync Video
+
 
Clear Video
+
 
Clear Video HD
+
 
Graphics max frequency
1.05 GHz
 
InTru 3D
+
 

Graphics interfaces

Available interfaces and connections of Core i5-9400's integrated GPU.

Number of displays supported
3
 

Graphics image quality

Maximum display resolutions supported by Core i5-9400's integrated GPU, including resolutions over different interfaces.

4K resolution support
+
 
Max resolution over HDMI 1.4
4096x2304@24Hz
 
Max resolution over eDP
4096x2304@60Hz
 
Max resolution over DisplayPort
4096x2304@60Hz
 

Graphics API support

APIs supported by Core i5-9400's integrated GPU, sometimes API versions are included.

DirectX
12
 
OpenGL
4.5
 

Peripherals

Specifications and connection types of supported peripherals.

PCIe revision
3.0
 
Max number of PCIe lanes
16
 
of 128 (EPYC 7551P)

Benchmark performance

Single-core and multi-core benchmark results of Core i5-9400. Overall benchmark performance is measured in points in 0-100 range, higher is better.

Overall score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

10.85

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different tests, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario.

9511

Game benchmarks

Let's see how good Core i5-9400 is for a gaming PC, compared with system requirements of some popular titles. Remember that sometimes official hardware requirements may reflect real performance inaccurately.

AMD equivalent

We believe that the nearest equivalent to Core i5-9400 from AMD is Ryzen 5 2500X, which is nearly equal in speed and higher by 1 position in our rating.

User rating

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.

Advices and comments

Here you can ask a question about Core i5-9400, agree or disagree with our judgements, or report an error or mismatch.