Intel Core i5 Coffee Lake Refresh i5-9400 BOX (BX80684I59400)
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Debuted in 2019, the representative of the 9th generation of Intel processors is part of the Coffee Lake Refresh line and is positioned by the manufacturer as an affordable solution for creating an entry-level gaming computer. The model provides 6 cores with a clock speed of 2.9 GHz each. The proprietary development of Turbo Boost allows, under loads, to automatically increase the standard figure to 4.1 GHz for one of the cores.
The Intel i5-9400 BOX processor differs from the i5-9400F counterpart in the presence of an integrated video chip. In its role, the UHD Graphics 630 core is used, which supports 4K video and allows you to run popular multiplayer games such as Dota 2 or CS: GO at minimum settings. The processor is compatible with motherboards with an LGA 1151 v2 socket and is able to work correctly with 128 GB of DDR4 2666 MHz RAM. The model is characterized by low heat dissipation (up to 65 W) and is able to maintain performance when heated up to 100 °C.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Intel 2025 - new arrivals, bestsellers, and the most relevant models Intel.
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for a cheap price of 11,500 rubles, this stone is the best for a budget gaming PC spruce spruce heats up, produces 60-100 fps on ultra in heavy games. enough for a long time. budget productive it doesn't accelerate well, but without overclocking it's already good  Seva Vodnev: use Intel i5-9400F BOX more than year |
Good percentage. It's ok for your money. But if you do programming like me, it's better to overpay and buy AMD. High performance in games, little demand compared to its older brother I5-8600K. Ideal ratio Kudayader. Box Cooler is terrible!!! It is noisy and cannot cope with 95 W thermal imaging. Mikael Alvand: use Intel i5-9600K OEM few months |
Using a processor on a z390 motherboard, it overclocks excellently, easily reaching up to 5.0 GHz, but a good cooler is needed. it overclocks well, under load it doesn't heat up too much to around 65 degrees with PCooler cooling at 145W. no  Timofei Sedov: use Intel i5-9600KF OEM few months |
Intel Core i5 Coffee Lake Refresh configurations
| Price for Intel Core i5 Coffee Lake Refresh | ||||
|---|---|---|---|---|
| Intel Core i5 Coffee Lake Refresh i5-9400 BOX | from 3 750 ₴ | 3 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9400 OEM | from 3 547 ₴ | 18 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9400F BOX | from 3 160 ₴ | 1 offer | |
| Intel Core i5 Coffee Lake Refresh i5-9400F OEM | from 2 903 ₴ | 4 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9500 BOX | from 18 530 ₴ | 3 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9500 OEM | from 2 890 ₴ | 6 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9500F BOX | from 3 570 ₴ | 1 offer | |
| Intel Core i5 Coffee Lake Refresh i5-9500F OEM | from 4 555 ₴ | 1 offer | |
| Intel Core i5 Coffee Lake Refresh i5-9500T OEM | from 13 341 ₴ | 6 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9600 BOX | from 4 820 ₴ | 2 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9600 OEM | from 3 450 ₴ | 3 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9600K BOX | from 5 948 ₴ | 4 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9600KF OEM | from 4 949 ₴ | 1 offer | |
| Intel Core i5 Coffee Lake Refresh i5-9600K OEM | from 3 700 ₴ | 3 offers | |
| Intel Core i5 Coffee Lake Refresh i5-9600T OEM | from 5 190 ₴ | 1 offer | |
Time for improvements
The Core i5-9400 is perhaps the most interesting processor in the Coffee Lake Refresh family. And it's funny, because his younger brother i5-8400 looked like the most interesting chip in the line of the last generation. The i5-9400 has the same 6 physical cores without multithreading, but the frequencies have slightly increased: in normal mode we now have 2.8 GHz, and in boost 4.1 GHz. In fact, the power has grown to the level of the Core i5-8500.
The price decides
So what's so interesting about it? As in the case of the younger new generation Core i3, Intel decided to shock the market with low prices, in fact, killing most of the previous generation processors. Why buy an i5-8400 for almost $200 when a more powerful new one costs $160? Here we don't know. Plus, Coffee Lake Refresh has a strange pricing situation: the same version of the processor with integrated graphics and without it can make a significant difference in price. The i5-9400 with and without graphics has the same price tag, so the UHD Graphics 630 can be seen as a small bonus that allows you to watch 4K videos or run CS:GO or Dota at minimum.
Perfect for the optimal gaming PC
Now let's move on and see what AMD has. And here everything is interesting and not so unambiguous, because you can find a six-core Ryzen 5 2600 a little cheaper on the market, which, due to multithreading and overclocking, looks preferable in resource-intensive applications. In turn, the Core i5-9400 in modern games produces a higher level of FPS. Moreover, not only in comparison with the six-core Ryzen 5, but even in comparison with the eight-core Ryzen 7. Based on this, it is worth making a choice. Such a chip can pair well with a GTX 1070 or Radeon RX 590 for the ultimate gaming PC.
