i5-8400H vs i3-6300

VS

Aggregate performance score

Core i3-6300
2015
2 cores / 4 threads, 51 Watt
2.79
Core i5-8400H
2018
4 cores / 8 threads, 45 Watt
4.90
+75.6%

Core i5-8400H outperforms Core i3-6300 by an impressive 76% based on our aggregate benchmark results.

Primary details

Comparing Core i3-6300 and Core i5-8400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking16921244
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.53no data
Market segmentDesktop processorLaptop
SeriesIntel Core i3Intel Core i5
Power efficiency5.0810.11
Architecture codenameSkylake (2015−2016)Coffee Lake-H (2018−2019)
Release date1 September 2015 (9 years ago)2 April 2018 (6 years ago)
Launch price (MSRP)$147$250

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-6300 and Core i5-8400H basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)4 (Quad-Core)
Threads48
Base clock speed3.8 GHz2.5 GHz
Boost clock speed3.8 GHz4.2 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3825
L1 cache128 KB256 KB
L2 cache512 KB1 MB
L3 cache4 MB (shared)8 MB
Chip lithography14 nm14 nm
Die size98.57 mm2126 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)65 °C72 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i3-6300 and Core i5-8400H compatibility with other computer components: 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. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCLGA1151FCBGA1440
Power consumption (TDP)51 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-6300 and Core i5-8400H. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology-2.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+

Security technologies

Core i3-6300 and Core i5-8400H technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX++
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-6300 and Core i5-8400H are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-6300 and Core i5-8400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size64 GB64 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s42.671 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530Intel UHD Graphics 630
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.15 GHz1.1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i3-6300 and Core i5-8400H integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI++

Graphics image quality

Maximum display resolutions supported by Core i3-6300 and Core i5-8400H integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096x2304@30Hz
Max resolution over eDP4096x2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096x2304@60Hz
Max resolution over VGAN/AN/A

Graphics API support

APIs supported by Core i3-6300 and Core i5-8400H integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i3-6300 and Core i5-8400H.

PCIe version3.03.0
PCI Express lanes1616

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark 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.

i3-6300 2.79
i5-8400H 4.90
+75.6%

Passmark

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

i3-6300 4345
i5-8400H 7636
+75.7%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i3-6300 1263
i5-8400H 1304
+3.2%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i3-6300 2536
i5-8400H 3733
+47.2%

Gaming performance

Pros & cons summary


Performance score 2.79 4.90
Integrated graphics card 2.59 3.09
Recency 1 September 2015 2 April 2018
Physical cores 2 4
Threads 4 8
Power consumption (TDP) 51 Watt 45 Watt

i5-8400H has a 75.6% higher aggregate performance score, 19.3% faster integrated GPU, an age advantage of 2 years, 100% more physical cores and 100% more threads, and 13.3% lower power consumption.

The Core i5-8400H is our recommended choice as it beats the Core i3-6300 in performance tests.

Note that Core i3-6300 is a desktop processor while Core i5-8400H is a notebook one.


Should you still have questions on choice between Core i3-6300 and Core i5-8400H, ask them in Comments section, and we shall answer.

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Intel Core i3-6300
Core i3-6300
Intel Core i5-8400H
Core i5-8400H

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Community ratings

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Questions & comments

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