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Gaming Performance Comparison

Recommended System Requirements
Game Core i7-5775C 4-Core 3.3GHz Xeon E3-1240 v2
Cyberpunk 2077 18% 5%
Control 5% 21%
eFootball PES 2020 21% 8%
Call of Duty: Modern Warfare 5% 21%
Grand Theft Auto VI 31% 52%
Borderlands 3 18% 5%
Total War: Three Kingdoms 31% 52%
Red Dead Redemption 2 10% 27%
F1 2019 10% 27%
FIFA 20 31% 20%

In terms of overall gaming performance, the Intel Core i7-5775C 4-Core 3.3GHz is massively better than the Intel Xeon E3-1240 v2 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 Xeon E3-1240 v2 was released less than a year after the Core i7-5775C 4-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 Core i7-5775C 4-Core and the Xeon E3-1240 v2 both have 4 cores, which is not likely to be a limiting factor for gaming.

Both the Intel Core i7-5775C 4-Core 3.3GHz and the Intel Xeon E3-1240 v2 have the same number of threads. Both the Core i7-5775C 4-Core and the Xeon E3-1240 v2 use hyperthreading. The Core i7-5775C 4-Core has 2 logical threads per physical core and the Xeon E3-1240 v2 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 i7-5775C 4-Core and Xeon E3-1240 v2 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 Xeon E3-1240 v2 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 Core i7-5775C 4-Core and the Xeon E3-1240 v2 have the same L2 cache size, but the Xeon E3-1240 v2 has a 2 MB bigger L3 cache, so in this area, it wins out over the Core i7-5775C 4-Core.

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 i7-5775C 4-Core has a 4 Watt lower Maximum TDP than the Xeon E3-1240 v2, and was created with a 8 nm smaller manufacturing technology. What this means is the Core i7-5775C 4-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).

The Core i7-5775C 4-Core has an on-board GPU, which means that it will be capable of running basic graphics applications (i.e., games) without the need for a dedicated graphics card. The Xeon E3-1240 v2, however, does not, and you will probably have to look for a dedicated card if you wish to use it at all.

For in-depth GPU comparisons with the Iris Pro Graphics 6200 Desktop, click on the following GPU overview comparison icon (visible throughout Game-Debate), and choose a GPU from the list to compare against:

On-board GPUs tend to be fairly awful in comparison to dedicated cards from the likes of AMD or Nvidia, but as they are built into the CPU, they also tend to be cheaper and require far less power to run (this makes them a good choice for laptops). We would recommend a dedicated card for running the latest games, but integrated GPUs are improving all the time and casual gamers may find less recent games perform perfectly acceptably.

Can I Run It

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CPU Core Details

CPU CodenameBroadwellIvy Bridge-H2
MoBo SocketLGA 1150LGA 1155/Socket H2
Notebook CPUnono
Release Date30 Nov -000114 May 2012
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs4
CPU Threads8vs8
Clock Speed3.3 GHzvs3.4 GHz
Turbo Frequency3.7 GHzvs3.8 GHz
Max TDP65 Wvs69 W
Lithography14 nmvs22 nm
Bit Width64 Bitvs64 Bit
Max Temperature105°Cvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs256 KB
L2 Cache Size1024 KBvs1024 KB
L2 Cache Speed-vs-
L3 Cache Size6 MBvs8 MB
Max Memory Size-vs32 GB
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsIris Pro Graphics 6200 Desktop
Base GPU Frequency300 MHzvs-
Max GPU Frequency1150 MHzvs-
DirectX11.2vs-
Displays Supported-vs-
Comparison

CPU Package and Version Specifications

Package Size-vs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewCore i7-5775C is a high-end processor clocked at 3.3 GHz and can effectively go up to 3.7 GHz. It provides extremely efficient performance due to 14nm Lithography. Its performance is very good, capable of running most demanding applications and games without an issue.Xeon E3-1240 v2 is a Server Processor based on the 22nm, Ivy Bridge architecture.

It offers 4 Physical Cores (8 Logical), initially clocked at 3.4GHz, which may go up to 3.8GHz and 8MB of L3 Cache.
Among its many features, HyperThreading, Turbo Boost and Virtualization are activated.

The processor DOES NOT integrate any graphics and has a rated board TDP of 69W.

Though not created for gaming purposes, its performance is exceptionally good and enough for even the most demanding applications.

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