FX-8310
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Intel Core i7-5820K 6-Core 3.3GHz
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Gaming Performance Comparison

Recommended System Requirements
Game FX-8310 Core i7-5820K 6-Core 3.3GHz

In terms of overall gaming performance, the Intel Core i7-5820K 6-Core 3.3GHz is massively better than the FX-8310 when it comes to running the latest games. This also means it will be less likely to bottleneck more powerful GPUs, allowing them to achieve more of their gaming performance potential.

The FX-8310 was released less than a year after the Core i7-5820K 6-Core, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

Both CPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings (assuming they are accompanied by equivalently powerful GPUs).

The FX-8310 has 2 more cores than the Core i7-5820K 6-Core. 8 cores is probably excessive if you mean to just run the latest games, as games are not yet able to harness this many cores. The cores in the Core i7-5820K 6-Core is more than enough for gaming purposes. However, if you intend on running a server with the FX-8310, it would seem to be a decent choice.

The Core i7-5820K 6-Core has 4 more threads than the FX-8310. The FX-8310 has one thread per physical core, whereas the Core i7-5820K 6-Core uses hyperthreading and has 2 logical threads per physical core.

Multiple threads are useful for improving the performance of multi-threaded applications. Additional cores and their accompanying thread will always be beneficial for multi-threaded applications. Hyperthreading will be beneficial for applications optimized for it, but it may slow others down. For games, the number of threads is largely irrelevant, as long as you have at least 2 cores (preferably 4), and hyperthreading can sometimes even hit performance.

More important for gaming than the number of cores and threads is the clock rate. Problematically, unless the two CPUs are from the same family, this can only serve as a general guide and nothing like an exact comparison, because the clock cycles per instruction (CPI) will vary so much.

The FX-8310 and Core i7-5820K 6-Core are not from the same family of CPUs, so their clock speeds are by no means directly comparable. Bear in mind, then, that while the FX-8310 has a 0.1 GHz faster frequency, this is not always an indicator that it will be superior in performance, despite frequency being crucial when trying to avoid GPU bottlenecking. As such, we need to look elsewhere for more reliable comparisons.

Aside from the clock rate, the next-most important CPU features for PC game performance are L2 and L3 cache size. Faster than RAM, the more cache available, the more data that can be stored for lightning-fast retrieval. L1 Cache is not usually an issue anymore for gaming, with most high-end CPUs eking out about the same L1 performance, and L2 is more important than L3 - but L3 is still important if you want to reach the highest levels of performance. Bear in mind that although it is better to have a larger cache, the larger it is, the higher the latency, so a balance has to be struck.

The FX-8310 has a 6656 KB bigger L2 cache than the Core i7-5820K 6-Core, but on the other hand, it is the Core i7-5820K 6-Core that has a 7 MB bigger L3 cache than the FX-8310. In this case, the L2 size is probably what counts, so the FX-8310 is likely superior in this area.

The maximum Thermal Design Power is the power in Watts that the CPU will consume in the worst case scenario. The lithography is the semiconductor manufacturing technology being used to create the CPU - the smaller this is, the more transistors that can be fit into the CPU, and the closer the connections. For both the lithography and the TDP, it is the lower the better, because a lower number means a lower amount of power is necessary to run the CPU, and consequently a lower amount of heat is produced.

The FX-8310 has a 45 Watt lower Maximum TDP than the Core i7-5820K 6-Core. However, the Core i7-5820K 6-Core was created with a 10 nm smaller manufacturing technology. Overall, by taking both into account, the FX-8310 is likely the CPU with the lower heat production and power requirements, by quite a wide margin.

Can I Run It

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CPU Core Details

CPU CodenameVisheraHaswell-E
MoBo SocketSocket AM3+Socket 2011-3 / R3 / LGA2011-3
Notebook CPUnono
Release Date02 Sep 201429 Aug 2014
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores8vs6
CPU Threads8vs12
Clock Speed3.4 GHzvs3.3 GHz
Turbo Frequency4.3 GHzvs3.6 GHz
Max TDP95 Wvs140 W
Lithography32 nmvs22 nm
Bit Width64 Bitvs64 Bit
Max Temperature-vs67°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size384 KBvs768 KB
L2 Cache Size8192 KBvs1536 KB
L3 Cache Size8 MBvs15 MB
Max Memory Size-vs64 GB
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

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CPU Package and Version Specifications

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Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewThe AMD FX-8310 is a high-performance desktop CPU released in the latter part of 2014. It is built on the 32nm Vishera architecture and has a power TDP of 95 watts. It packs 8 physical cores clocked at 3.4 GHz, which will go up to 4.3 GHz in Turbo mode. It has an L1, L2 and L3 cache of 384 KB, 8192 KB and 8 MB respectively. It does not integrate any discrete graphics processing unit. Core i7-5820K 6-Core 3.3GHz is an extreme processor based on the 22nm, Haswell architecture.

It offers 6 Physical Cores (12 Logical), initially clocked at 3.3GHz, which may go up to 3.6GHz and 15MB of L3 Cache.
Among its many features, HyperThreading, Turbo Boost and Virtualization are activated and the processor has multiplier unlocked, meaning it can be overclocked easily.

The processor DOES NOT integrate any graphics. and has a rated board TDP of 140W.

Its performance is overall identical to Core i7-4930K and is thus exceptionally good and enough for even the most demanding applications.

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