i5-8400H vs FX-8300

VS

Aggregate performance score

FX-8300
2012
8 cores / 8 threads, 95 Watt
3.36
Core i5-8400H
2018
4 cores / 8 threads, 45 Watt
4.81
+43.2%

Core i5-8400H outperforms FX-8300 by a considerable 43% based on our aggregate benchmark results.

Primary details

Comparing FX-8300 and Core i5-8400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15771256
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i5
Power efficiency3.3310.06
Architecture codenameVishera (2012−2015)Coffee Lake-H (2018−2019)
Release date23 October 2012 (12 years ago)2 April 2018 (6 years ago)
Launch price (MSRP)no data$250

Detailed specifications

FX-8300 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 cores8 (Octa-Core)4 (Quad-Core)
Threads88
Base clock speed3.3 GHz2.5 GHz
Boost clock speed4.2 GHz4.2 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data25
L1 cacheno data64K (per core)
L2 cache8192 KB256K (per core)
L3 cacheno data12 MB (shared)
Chip lithography32 nm14 nm
Die size315 mm2126 mm2
Maximum core temperature71 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,200 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-
P0 Vcore voltageMin: 1.075 V - Max: 1.2875 Vno data

Compatibility

Information on FX-8300 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 configuration11 (Uniprocessor)
SocketAM3+FCBGA1440
Power consumption (TDP)95 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8300 and Core i5-8400H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+

Security technologies

FX-8300 and Core i5-8400H technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8300 and Core i5-8400H are enumerated here.

AMD-V++
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8300 and Core i5-8400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of FX-8300 and Core i5-8400H integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by FX-8300 and Core i5-8400H integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by FX-8300 and Core i5-8400H integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by FX-8300 and Core i5-8400H.

PCIe versionn/a3.0
PCI Express lanesno data16

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.

FX-8300 3.36
i5-8400H 4.81
+43.2%

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.

FX-8300 5338
i5-8400H 7636
+43%

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.

FX-8300 457
i5-8400H 1308
+186%

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.

FX-8300 1721
i5-8400H 3734
+117%

Gaming performance

Pros & cons summary


Performance score 3.36 4.81
Recency 23 October 2012 2 April 2018
Physical cores 8 4
Chip lithography 32 nm 14 nm
Power consumption (TDP) 95 Watt 45 Watt

FX-8300 has 100% more physical cores.

i5-8400H, on the other hand, has a 43.2% higher aggregate performance score, an age advantage of 5 years, a 128.6% more advanced lithography process, and 111.1% lower power consumption.

The Core i5-8400H is our recommended choice as it beats the FX-8300 in performance tests.

Note that FX-8300 is a desktop processor while Core i5-8400H is a notebook one.


Should you still have questions on choice between FX-8300 and Core i5-8400H, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD FX-8300
FX-8300
Intel Core i5-8400H
Core i5-8400H

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.2 2385 votes

Rate FX-8300 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 218 votes

Rate Core i5-8400H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about FX-8300 or Core i5-8400H, agree or disagree with our judgements, or report an error or mismatch.