Intel Xeon E3-1240 v2
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AMD Athlon X4 740
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Gaming Performance Comparison

Recommended System Requirements
Game Xeon E3-1240 v2 Athlon X4 740
Cyberpunk 2077 5% 109%
eFootball PES 2020 8% 102%
Borderlands 3 5% 109%
Grand Theft Auto VI 52% 234%
Metro: Exodus 52% 234%
Doom Eternal 8% 102%
The Division 2 75% 286%
Total War: Three Kingdoms 52% 234%
Watch Dogs Legion 5% 109%
FIFA 20 44% 23%

In terms of overall gaming performance, the Intel Xeon E3-1240 v2 is massively better than the AMD Athlon X4 740 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 Athlon X4 740 was released less than a year after the Xeon E3-1240 v2, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Xeon E3-1240 v2 and the Athlon X4 740 both have 4 cores, which is not likely to be a limiting factor for gaming.

The Xeon E3-1240 v2 has 4 more threads than the Athlon X4 740. The Athlon X4 740 has one thread per physical core, whereas the Xeon E3-1240 v2 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 Xeon E3-1240 v2 and Athlon X4 740 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 0.2 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. 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 Athlon X4 740 has a 3072 KB bigger L2 cache than the Xeon E3-1240 v2, and although the Athlon X4 740 does not appear to have an L3 cache, its larger L2 cache means that it wins out 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 Athlon X4 740 has a 4 Watt lower Maximum TDP than the Xeon E3-1240 v2. However, the Xeon E3-1240 v2 was created with a 10 nm smaller manufacturing technology. Overall, by taking both into account, the Xeon E3-1240 v2 is likely the CPU with the lower heat production and power requirements, by a small amount.

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CPU Core Details

CPU CodenameIvy Bridge-H2Trinity
MoBo SocketLGA 1155/Socket H2Socket FM2
Notebook CPUnono
Release Date14 May 201201 Oct 2012
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs4
CPU Threads8vs4
Clock Speed3.4 GHzvs3.2 GHz
Turbo Frequency3.8 GHzvs3.7 GHz
Max TDP69 Wvs65 W
Lithography22 nmvs32 nm
Bit Width64 Bitvs64 Bit
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs192 KB
L2 Cache Size1024 KBvs4096 KB
L2 Cache Speed-vs-
L3 Cache Size8 MBvs-
Max Memory Size-vs-
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

Graphics
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Displays Supported-vs-
Comparison

CPU Package and Version Specifications

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Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewXeon 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.
Athlon X4 740 is a performance processor based on the 32nm Piledriver architecture.

It offers 4 Physical Cores (4 Logical), initially clocked at 3.2GHz, which may go up to 3.7GHz and 4MB of L2 Cache.
Among its many features, Turbo Core and Virtualization are activated.

The processor DOES NOT integrate any graphics. and has a rated board TDP of 65W.

It offers average performance. This means it will become a bottleneck in some demanding applications.

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