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Gaming Performance Comparison

Recommended System Requirements
Game Core i9-9920X 12-Core 3.5GHz Xeon E5-2695 v3
Cyberpunk 2077 61% 35%
Red Dead Redemption 2 60% 34%
Call of Duty: Modern Warfare 66% 44%
Doom Eternal 62% 38%
Microsoft Flight Simulator 50% 19%
Planet Zoo 54% 24%
Grand Theft Auto VI 33% 10%
Need For Speed Heat 61% 36%
Warcraft 3: Reforged 90% 84%
Wolcen: Lords of Mayhem 65% 43%

In terms of overall gaming performance, the Intel Core i9-9920X 12-Core 3.5GHz is massively better than the Intel Xeon E5-2695 v3 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 i9-9920X 12-Core was released over three years more recently than the Xeon E5-2695 v3, and so the Core i9-9920X 12-Core is likely to have far better levels of support, and will be much more optimized and ultimately superior to the Xeon E5-2695 v3 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 Xeon E5-2695 v3 has 2 more cores than the Core i9-9920X 12-Core. 14 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 i9-9920X 12-Core is more than enough for gaming purposes. However, if you intend on running a server with the Xeon E5-2695 v3, it would seem to be a decent choice.

The Xeon E5-2695 v3 has 4 more threads than the Core i9-9920X 12-Core. Both the Core i9-9920X 12-Core and the Xeon E5-2695 v3 use hyperthreading. The Core i9-9920X 12-Core has 2 logical threads per physical core and the Xeon E5-2695 v3 has 2.

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 i9-9920X 12-Core and Xeon E5-2695 v3 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 i9-9920X 12-Core has a 1.2 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 Xeon E5-2695 v3 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 Core i9-9920X 12-Core has a 8704 KB bigger L2 cache than the Xeon E5-2695 v3, but on the other hand, it is the Xeon E5-2695 v3 that has a 15.75 MB bigger L3 cache than the Core i9-9920X 12-Core. In this case, the L2 size is probably what counts, so the Core i9-9920X 12-Core 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 Xeon E5-2695 v3 has a 45 Watt lower Maximum TDP than the Core i9-9920X 12-Core. However, the Core i9-9920X 12-Core was created with a 8 nm smaller manufacturing technology. Overall, by taking both into account, the Xeon E5-2695 v3 is likely the CPU with the lower heat production and power requirements, by quite a wide margin.

CPU Core Details

CPU CodenameSkylake XHaswell-EP
MoBo SocketSocket 2066LGA 2011/Socket R
Notebook CPUnono
Release Date30 Nov 201801 Sep 2014
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores12vs14
CPU Threads24vs28
Clock Speed3.5 GHzvs2.3 GHz
Turbo Frequency4.4 GHzvs-
Max TDP165 Wvs120 W
Lithography14 nmvs22 nm
Bit Width64 Bitvs64 Bit
Max Temperature92°Cvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size768 KBvs896 KB
L2 Cache Size12288 KBvs3584 KB
L3 Cache Size19.25 MBvs35 MB
Max Memory Size-vs-
Memory Channels-vs4
ECC Memory Supportnovsno
Comparison

CPU Graphics

Graphics
Base GPU Frequency-vs-
Max GPU Frequency-vs-
DirectX-vs-
Displays Supported-vs-
Comparison

CPU Package and Version Specifications

Package Size52.5 mm 45 mmvs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewThe Intel Core i9-9920X 12-Core 3.5GHz is a high-end CPU based on the 14nm Skylake-X micro architecture. It is competing against AMD's 2nd Gen Ryzen Threadripper processors. It offers 12 physical cores (24 logical), initially clocked at 3.5GHz which may go up to 4.4GHz with Turbo Boost enabled, and 19.25MB of L3 Cache. Among its many features are Turbo Boost Max 3.0 technology, Hyper-Threading, Virtualization is activated. As an 'Extreme' variant, this processor has its multiplier unlocked and overclocking is possible. With a 165W TDP, the Core i9-9920X 12-Core is very power hungry and will require a high-end PSU. This CPU is likely to offer exceptional computational performance and will not be the bottlenecked in any modern gaming PC. It will be able to play all AAA titles.Xeon E5-2695 v3 is an upcoming server processor based on the 22nm, Haxwell microarchitecture.

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