Intel Xeon E5-2603 v2
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AMD FX-4300
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Gaming Performance Comparison

Recommended System Requirements
Game Xeon E5-2603 v2 FX-4300

In terms of overall gaming performance, the AMD FX-4300 is massively better than the Intel Xeon E5-2603 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 E5-2603 v2 was released less than a year after the FX-4300, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Xeon E5-2603 v2 and the FX-4300 both have 4 cores, which is not likely to be a limiting factor for gaming.

Both the Intel Xeon E5-2603 v2 and the AMD FX-4300 have the same number of threads. Both CPUs have one thread 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 E5-2603 v2 and FX-4300 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-4300 has a 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 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 FX-4300 has a 3840 KB bigger L2 cache than the Xeon E5-2603 v2, but on the other hand, it is the Xeon E5-2603 v2 that has a 6 MB bigger L3 cache than the FX-4300. The L3 size of the FX-4300 is probably low enough to greatly inhibit its gaming performance in comparison to the Xeon E5-2603 v2.

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 E5-2603 v2 has a 15 Watt lower Maximum TDP than the FX-4300, and was created with a 10 nm smaller manufacturing technology. What this means is the Xeon E5-2603 v2 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 CodenameIvy BridgeVishera
MoBo SocketLGA 2011/Socket RSocket AM3+
Notebook CPUnono
Release Date10 Sep 201323 Oct 2012
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs4
CPU Threads4vs4
Clock Speed1.8 GHzvs3.8 GHz
Turbo Frequency1.8 GHzvs4 GHz
Max TDP80 Wvs95 W
Lithography22 nmvs32 nm
Bit Width64 Bitvs64 Bit
Max Temperature71°Cvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size-vs192 KB
L2 Cache Size256 KBvs4096 KB
L3 Cache Size10 MBvs4 MB
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

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

CPU Package and Version Specifications

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

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewThe Xeon E5-2603 v2 is a quad-core server processor in the Xeon E5 v2 family and, like all processors in the family, does not support integrated graphics. It is an upgraded version of the Xeon E5-2603.
The Xeon E5-2603 v2 has a clock speed of 1.8GHz with no turbo boost available. It is a low-mid range processor.
FX-4300 is a middle-class CPU based on the 32nm Piledriver architecture.

It offers 4 Physical Cores (4 Logical), initially clocked at 3.8GHz, which may go up to 4.0GHz and 4MB of L3 Cache.
Among its many features, Turbo Core and Virtualization are activated and the clock multiplier is unlocked, meaning it can be overclocked easily.

The processor DOES NOT integrated any graphics. and has a rated board TDP of 95W.

It offers average performance. It will therefore become a bottleneck in today's demanding games.

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