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Gaming Performance Comparison

Recommended System Requirements
Game Xeon Processor 3.0GHz Opteron 170
Red Dead Redemption 2 1591% 1021%
Call of Duty: Modern Warfare 1154% 731%
Cyberpunk 2077 1337% 852%
Fortnite: Chapter 2 830% 516%
Need For Speed Heat 1330% 848%
The Outer Worlds 1739% 1119%
Microsoft Flight Simulator 1739% 1119%
Zombieland: Double Tap - Road Trip 1591% 1021%
Borderlands 3 1591% 1021%
FIFA 20 1110% 702%

In terms of overall gaming performance, the AMD Opteron 170 is very slightly better than the Intel Xeon Processor 3.0GHz 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 Opteron 170 was released less than a year after the Xeon Processor 3.0GHz, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Opteron 170 has 1 more core than the Xeon Processor 3.0GHz. However, while the Opteron 170 will probably perform better than the Xeon Processor 3.0GHz, both CPUs are likely to struggle with the latest games, and will almost certainly bottleneck high-end graphics cards. This should not affect games that are a few years old, and even the latest games should at least be playable on very low settings, as only recently have game developers begun to harness the power of multiple cores.

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 Processor 3.0GHz and Opteron 170 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 Processor 3.0GHz has a 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. In this case, however, the difference is probably a good indicator that the Opteron 170 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 Xeon Processor 3.0GHz and the Opteron 170 have the same L2 cache size, and neither CPU appears to have an L3 cache. In this case, the Opteron 170 has a 240 KB bigger L1 cache, so would probably provide better performance than the Xeon Processor 3.0GHz, at least 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.

Both the Xeon Processor 3.0GHz and the Opteron 170 have the same TDP of 110 Watts, and were created with the same manufacturing size of 90 nm, which means they will affect your yearly electricity bill about equally.

CPU Core Details

CPU CodenameIrwindaleDenmark
MoBo SocketSocket 604Socket 939
Notebook CPUnono
Release Date14 Feb 200502 Aug 2005
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores1vs2
Clock Speed3 GHzvs2 GHz
Turbo Frequency-vs-
Max TDP110 Wvs110 W
Lithography90 nmvs90 nm
Bit Width-vs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size16 KBvs256 KB
L2 Cache Size2048 KBvs2048 KB
L2 Cache Speed-vs-
L3 Cache Size-vs-
ECC Memory Supportnovsno
Comparison

CPU Graphics

Graphics
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CPU Package and Version Specifications

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Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewThe Xeon is a brand of multiprocessing- or multi-socket-capable x86 microprocessors from Intel Corporation targeted at the non-consumer workstation, server, and embedded system markets.Opteron is AMD's x86 server and workstation processor line, and was the first processor to implement 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. The most-recently released Opteron CPUs are the 8- and 12-core Socket G34 Opterons, code-named Magny-Cours.

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