Intel coffee lake budget processor 8th gen i5 8400 Review

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Intel’s best mainstream budget processor 8th gen i5 8400 in coffee lake series entered into the market in the second quarter of 2017. When it was released, consumers had only one option available for the motherboard, Z370 – which is expensive to be taken as the processor itself does not support overclocking. But now in 2018, Buyers have two more options available – B360 and H310 chipset. Both are available for budget pc build.

Essentials

Description Intel® Core™ i5-8400 Processor (9M Cache, up to 4.00 GHz)
Code Name Coffee Lake
Launch Date Q4’17
Processor Number i5-8400
# of Cores 6
# of Threads 6
Cache 9 MB
Instruction Set 64-bit
Instruction Set Extensions SSE4.1/4.2, AVX2
Embedded Options Available No
Lithography 14 nm
Recommended Price N/A
Clock Speed 2.80 GHz
Max Turbo Frequency 4.00 GHz
Bus Speed 8 GT/s DMI3
Scalability 1S Only
Max TDP 65 W
Thermal Solution Specification PCG 2015C (65W)

Memory

Max Memory Size 64 GB
Memory Types DDR4-2666
Memory Channels 2
ECC Memory Supported No

Graphics

Processor Graphics Intel® UHD Graphics 630
Graphics Base Frequency 350 MHz
# of Displays Supported 3
Graphics Max Dynamic Frequency 1.05 GHz
Quick Sync Video Yes

Expansion Options

PCI Express Revision 3.0
PCI Express Configurations Up to 1×16 or 2×8 or 1×8+2×4
Max # of PCI Express Lanes 16

Advanced Technologies

Virtualization Tech (VT-x) Yes
Intel 64 Yes
Idle States Yes
Enhanced Intel SpeedStep® Tech Yes
Thermal Monitoring Technologies Yes
Turbo Boost Tech 2.0
Hyper-Threading Tech No

8th gen i5 8400 is bumped with 2 more cores and 2 more threads than the 7th gen 7500 which is a 4 core/4 thread processor. That’s basically a big deal for both workloads and gaming and its launched with a budget-friendly price. Intel’s new i5 series is not going to bottleneck the next generation high-end GPUs as the 7th generation might do. Check the latest price of i5 8400 processor

A 2.8 GHz base frequency is the lowest among all intel’s coffee lake processors including i3 series. That’s why i5 8400 ha TDP of 65W whereas i5 8600k has 95W TDP allowing to get a 3.6 GHz base frequency. It looks bad to have a lower base frequency, but intel’s turbo boost will give you higher frequency and a subsequent performance at certain parameters.

Active Cores Base Frequency 1 2 4 6
Intel Core i5-8600K 3.6 GHz 4.3 GHz 4.2 GHz 4.2 GHz 4.1 GHz
Intel Core i5-8400 2.8 GHz 4.0 GHz 3.9 GHz 3.9 GHz 3.8 GHz
Intel Core i5-7400 3.0 GHz 3.5 GHz 3.4 GHz 3.3 GHz

Here is a benchmark result by Cinebench for single thread and multi-thread performance and a video rendering result in Adobe Premiere Pro.

cinebench-i5

premiere-pro-i5

With the coffee lake processors, however, there is no noticeable difference in gaming performance between those core i5 or core i7. That’s a difference if you re running i7 K –series in 5 GHz + frequency. The performance is pretty much good with this price range which is better than the cheapest Ryzen 5 six cores chipset. In fact, i5 8400 is delivering a much better frame rate (‘AAA’ title with 1080p) than 7th gen i7 7700K and i7 7800K. However, in terms of serious multi-threading CPU performance, Ryzen is a far better option within the same price range.

Ryzen 5 2400G is the closest processor to give a fight to Intel i5 8400. No-overclocking and no hyperthreading is available for this Intel chipset. But overclocking does not give you better performance in terms of heavy multitasking or gaming that Intel coffee lake series could not give you. Ryzen 2600 is the most affordable gaming APU available in the market right now.

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