Overview of CPU AMD FX-9370: You can not jump over your head

Overview of CPU AMD FX-9370: You can not jump over your head

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    Speaking of high-performance processors for desktop computers, which are based on so-called “big core” AMD to be criticized by the myriad number of reasons. Streams of discontent can easily be sent to the address of its slowness in designing new microarchitecture, delaying the introduction of new technological processes, incorrect prioritization in creating modern processor designs, carelessness in the performance of their plans, the transition to computer-aided design layout of semiconductor crystals, disregard for its own engineering professionals , numerous marketing mistakes, and more. However, what is absolutely impossible to reproach AMD, it’s the lack of morale. Despite the fact that, objectively speaking, to the company no decent processor designs that she would oppose a high-performance modifications Intel processors Core, AMD is trying to keep a good face on a bad game and is making remarkable efforts to ensure that the assembly at enthusiast desktop still remained some choice. In the course are all available means, starting with the price maneuvering and ending in making microarchitecture not require rework indigenous optimizations.

    And if until recently, AMD has pretty well to maintain a sufficiently weighty army of supporters, which was fine with that senior FX series processors provide the performance level Core i5, forcing thus completely forget about any energy saving, but now this has started threatening change. The emergence of Intel’s Haswell microarchitecture processors raised the performance bar for modern desktop systems, inevitably pushing the FX line towards budget and proposals. However, the response decline in prices is unlikely to be considered sufficient countermeasure. Perhaps, AMD and is capable of self-irony, but the release of budget eight-processor – the joke is not particularly funny, especially when you take into account the area of ​​the semiconductor chip and the consequent costs. Therefore, to maintain sagging position and AMD decided to more desperate measures – expanding FX processor line with two new members with increased clock frequencies: FX-9590 and FX-9370.

    At first glance, the output of these processors is nothing out of the ordinary, nominal growth rate – quite the usual direction of the processor arrays. However, in this case we are dealing with a very special phenomenon: AMD raised the frequency of processors Vishera, closing his eyes to the real possibilities of this processor design. The result of such a brutal and straightforward approach was the formal appearance of representatives of the series FX, operating at frequencies up to 5 GHz, but with limited availability, transcendent heat and power and problem of compatibility with existing infrastructure. This measure forced, unfortunately, at this stage of any other ways to strengthen the lineup for AMD FX available no. Next microarchitecture Steamroller and more advanced processes are not yet ready, and feasibility of further development of the family of high-performance multi-core processors for desktop applications FX is a big question.

    As a result, the new processors like and presented, but just go out and buy them at the store is impossible. According to the official version, FX-9590 and FX-9370 are available only for system integrators and only in certain regions. Russia in the countries where the spread of new items, not included. As a result, spot FX-9590 or FX-9370 for testing was almost impossible task. English office of AMD to help us with samples flatly refused, and widely sold in local stores, they have not appeared, despite the fact that the announcement took place back on June 11. Nevertheless, a few copies FX-9370 still seeped in retail on the gray channels, and after several unsuccessful attempts to catch one of them we still managed.

    ⇡ # AMD FX-9370 in detail

    To date, the model numbers of processors AMD FX following clear rules: the first digit index number indicates the number of cores. However, with nine thousandth series processors, this principle does not work: it is the same eight-based microarchitecture Vishera Piledriver, as FX-8350. The change in the first nine digits on should emphasize that they belong to a special class of heavyweights. FX-9590 and FX-9370 on isolated background predecessors not only the model numbers, but still three parameters: the outstanding clock frequency, incomprehensible TDP and unusually high price.

    AMD FX-9590
    AMD FX-9370
    AMD FX-8350
    microarchitecture
    Piledriver
    Piledriver
    Piledriver
    Design
    Vishera
    Vishera
    Vishera
    Process Technology
    32nm SOI HKMG
    32nm SOI HKMG
    32nm SOI HKMG
    Number of cores
    8 (4 modules)
    8 (4 modules)
    8 (4 modules)
    Clock frequency
    4.7 GHz
    4.4 GHz
    4.0GHz
    Turbo mode
    5.0 GHz
    4.7 GHz
    4.2 GHz
    Cache L2
    4×2 MB
    4×2 MB
    4×2 MB
    Cache L3
    8 MB
    8 MB
    8 MB
    Support for DDR3
    DDR3-1600/1866
    DDR3-1600/1866
    DDR3-1600/1866
    TDP
    220 W
    220 W
    125 W
    socket
    Socket AM3 +
    Socket AM3 +
    Socket AM3 +
    The average retail price
    $ 880
    $ 350
    $ 200

    AMD FX-9590 – a special tuned models, the frequency in which the turbo comes to 5-GHz mark, and the nominal frequency is set at 4.7 GHz. Such processors AMD sells in very limited quantities, since their production requires a special selection of the most successful semiconductor crystals. But despite the “individual” approach to manufacturing, TDP FX-9590 at exorbitant reaches 220 watts. Suffers price: like every rarity, FX-9590 worth unexpectedly much. In the few American and European stores where you can find it under $ 800 prices do not fall.

    quite obvious: the calculation is done primarily on the collectors whose interest in FX-9590 further fueled by the fact that he may be the last in the line of the AMD FX. At least the current versions of the company’s plans do not involve the further development of this family of any current or future year, and even when available AMD exactly will the new microarchitecture Steamroller.

    control the same to us for testing AMD FX-9370 – more interesting from a practical point of view the model. Its nominal frequency of 300 MHz lower than the older brother – it is 4.4 GHz and 4.7 GHz denomination in turbo mode. But at the same TDP installed the same, 220 W, which leaves some room for overclocking. Democratic looks and price. AMD FX-9370 contrasts older models Core i7 for LGA1150/1155-sistem and sells them for around $ 300 – $ 350.

    This looks to AMD FX-9370, nothing gives premium product. The processor comes in a small cardboard box in which, except for the CPU, installation instructions, and stickers on the body, nothing. Taking into account the high level of heat, the choice of cooling systems AMD has decided to pass on to collectors and inventing some exclusive packaging (for example, similar to the one in which offers overclocking AMD Phenom II 42 Black Edition TWKR) did not make sense for the reason that the FX- 9370 shall not apply in general retail.

    The very same processor is proving to be the conventional Vishera, not having any deep differences from the usual FX-8350. At the heart of AMD FX-9370 is used in exactly the same version of a semiconductor crystal OR-C0, as in other processors platform Socket AM3 +, based on computational cores Piledriver.

    It is obvious that the FX-9370 – it legitimized overclocking FX-8350 400-500 MHz, made by the producer himself. Most likely, FX-9370, AMD selects more successful semiconductor crystals, but first performance at higher frequencies is realized by increasing the supply voltage. Thus, when operating at the nominal frequency of 4.4 GHz voltage supplied to computing the core is in the order of 1.41 V, and the activation technology Turbo Core 3.0 it may rise up to 1.46 V. This is about 0,07-0, In 08 higher than that of conventional processors Vishera.

    Thus, the reasons for which the TDP novelties increased to 220 W immodest, it is obvious. It remains only to understand how to live with it. AMD itself has prepared a list of demands to the platform that is compatible with the FX-9590 and FX-9370, which is as follows:

    Attention is primarily here should be on the recommended cooling system: the manufacturer believes that the processor FX-9590 or FX-9370 is vital to water cooling. In the end, desktop processors with 220-watt TDP still did not exist, and many coolers just do not assume that the demand for withdrawal of a quantity of heat could ever arise. Hottest tetchy of CPU, still present in the market, has a Core i7-3970X – its TDP is set to 150 watts. However, 220W is really not some transcendent number of popular graphics cards may have significantly higher heat and thus quite normal cost air cooling systems. In other words, it is clear that the new AMD FX series representatives should choose cooler better, but single-section towers under 140-mm fans for heat to be missed for sure.

    For example, we decided to check whether to withdraw heat from the FX-9370 is not particularly refined air cooler Noctua NH-U14S.

    No problem. Processor not only works without overheating, but remains in a quite favorable temperature conditions, even at high load multithreaded. Maximum temperature does not exceed the 68-degree mark.

    The second important requirement applies to motherboards. From them we need two things: increase the power supply system and support from the BIOS. And if you have the first of many existing motherboard number aimed at overclocking, then the second may be some problems. Motherboard manufacturers have updated their firmware to support older products FX-9590 and FX-9370 is very selective, seeing the release of new AMD processors good reason to sell followers Socket AM3 + platform for another motherboard. So if you, like us, suddenly lucky enough to purchase one of the new processors nine thousandth series, do not forget to consult the list of compatible motherboard CPU and flash the new BIOS. Otherwise technology Turbo Core 3.0 can not function correctly.

    ⇡ # Acceleration

    In view of the generic features of AMD FX-9370 the first thing that we are interested in – it limits the frequency of his work, achievable acceleration. The fact that the manufacturer has to set the nominal frequency of 4.4-4.7 GHz are easily achieved through acceleration and with FX-8350. If you use a small voltage increase, similar to that implemented in the FX-9370 itself AMD, get to work in the same mode, you can copy almost any eight-Vishera. Therefore, there is a reasonable question of whether there is any sense to chase rare FX-9370, if the processor does not better than its predecessor – with the only difference that frees the user from having to pick your settings BIOS.

    verify. Voltage on FX-9370 can be installed during acceleration and above par, AMD itself says that it is permissible Vishera processors bullying until 1.55 V. The only question is, whether the cooling system to cope. But we took a cooler for overclocking better – two section tower Thermalright Silver Arrow SB-E. Of the FX-8350 under similar conditions, we managed to squeeze 4.7 GHz, but at the core FX-9370 is not the easiest, and selective semiconductor crystal. He, in theory, should be a good springboard for a higher jump in overklokerskim space.

    And the new processor does not disappoint. Psychologically important 5-GHz height he, unfortunately, did not take, but its overclocking potential was still clearly better than all of his predecessors family Vishera, visited our lab. The result of overclocking experiments was to achieve full stability FX-9370 with his work at the frequency of 4.9 GHz.

    Supply voltage processor cores to ensure smooth functioning in this state increased to 1.5 V. Low CPU, as seen in the screenshot in the test LinX 0.6.4 (c support FMA-instructions) does not extend beyond 85 degrees.

    It should be noted that the processor could definitely take and higher frequency. Prevents that only seriously increases with the voltage heat with which our Thermalright Silver Arrow SB-E could not cope. So for overclockers who use computers in their neat Self-assembled liquid cooling system, FX-9370 could be a very interesting proposition. However, in the more familiar surroundings of air coolers FX-9370 performs very worthy 200-megahertz advantage over the FX-8350 in the maximum frequency reached us – proof.

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