Intel Core i7-8086K 6-Core 4.0GHz
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AMD Opteron 6344
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Gaming Performance Comparison

Recommended System Requirements
Game Core i7-8086K 6-Core 4.0GHz Opteron 6344

In terms of overall gaming performance, the Intel Core i7-8086K 6-Core 4.0GHz is massively better than the AMD Opteron 6344 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 Core i7-8086K 6-Core was released over three years more recently than the Opteron 6344, and so the Core i7-8086K 6-Core is likely to have far better levels of support, and will be much more optimized and ultimately superior to the Opteron 6344 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 Opteron 6344 has 6 more cores than the Core i7-8086K 6-Core. 12 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 i7-8086K 6-Core is more than enough for gaming purposes. However, if you intend on running a server with the Opteron 6344, it would seem to be a decent choice.

Both the Intel Core i7-8086K 6-Core 4.0GHz and the AMD Opteron 6344 have the same number of threads. The Opteron 6344 has one thread per physical core, whereas the Core i7-8086K 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 Core i7-8086K 6-Core and Opteron 6344 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 Core i7-8086K 6-Core has a 1.4 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. In this case, however, the difference is probably a good indicator that the Opteron 6344 is superior.

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 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 Core i7-8086K 6-Core has a 20 Watt lower Maximum TDP than the Opteron 6344, and was created with a 18 nm smaller manufacturing technology. What this means is the Core i7-8086K 6-Core will consume slightly less power and consequently produce less heat, enabling more prolonged computational tasks with fewer adverse effects. This will lower your yearly electricity bill slightly, as well as prevent you from having to invest in extra cooling mechanisms (unless you overclock).

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CPU Core Details

CPU CodenameCoffee-Lake SAbu Dhabi
MoBo SocketLGA 1151Socket G34
Notebook CPUnono
Release Date08 Jun 201805 Nov 2012
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores6vs12
CPU Threads12vs12
Clock Speed4 GHzvs2.6 GHz
Turbo Frequency5.1 GHzvs3.2 GHz
Max TDP95 Wvs115 W
Lithography14 nmvs32 nm
Bit Width64 Bitvs-
Max Temperature-vs70°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size-vs576 KB
L2 Cache Size-vs12288 KB
L3 Cache Size12 MBvs16 MB
Max Memory Size-vs384 GB
Memory Channels-vs4
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 Core i7-8086K 6-Core 4.0GHz is a high-end CPU based on the 14nm Coffee Lake-S microarchitecture. The Intel Core i7-8086K was released to celebrate the 40th anniversary of Intel's first ever x86 processor, the Intel 8086. It offers 6 physical cores (12 logical), initially clocked at 4.0GHz, which may go up to 5.1GHz boost clock on a single core. The i7-8086K has 12MB of L3 Cache. Aside from clock speeds, the 8086K has identical specs to the Core i7-8700K. Among its many features, HyperThreading, Turbo Boost 2.0 and Virtualization are activated and the processor has its multiplier unlocked. This Core i7-8086K CPU offers the fastest gaming performance of any Intel CPU as of 2018, and will not be the bottleneck in any modern gaming PC. It will be able to play all modern games comfortably on high/ultra graphics performance without being a hindrance to the accompanying GPU.Opteron is AMD's x86 server and workstation processor line, and was the first processor which supported the AMD64 instruction set architecture (known generically as x86-64). It was released on April 22, 2003 with the SledgeHammer core (K8) and was intended to compete in the server and workstation markets, particularly in the same segment as the Intel Xeon processor. Processors based on the AMD K10 microarchitecture (codenamed Barcelona) were announced on September 10, 2007 featuring a new quad-core configuration.

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