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Gaming Performance Comparison

Recommended System Requirements
Game Phenom II X4 B65 Xeon Processor X5355
Cyberpunk 2077 61% 192%
Halo: Reach 22% 42%
Red Dead Redemption 2 90% 243%
Call of Duty: Modern Warfare 41% 155%
Doom Eternal 56% 182%
Dragon Ball Z Kakarot 43% 159%
Microsoft Flight Simulator 106% 274%
FIFA 20 36% 146%
Need For Speed Heat 60% 190%
Grand Theft Auto VI 158% 367%

In terms of overall gaming performance, the AMD Phenom II X4 B65 is massively better than the Intel Xeon Processor X5355 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 Phenom II X4 was released over three years more recently than the Xeon Processor X5355, and so the Phenom II X4 is likely to have far better levels of support, and will be much more optimized and ultimately superior to the Xeon Processor X5355 when running the latest games.

The Phenom II X4 and the Xeon Processor X5355 both have 4 cores, which is not likely to be a limiting factor for gaming.

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 Phenom II X4 and Xeon Processor X5355 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 Phenom II X4 has a 0.73 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 Xeon Processor X5355 has a 6048 KB bigger L2 cache than the Phenom II X4, and although the Xeon Processor X5355 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 Phenom II X4 has a 25 Watt lower Maximum TDP than the Xeon Processor X5355, and was created with a 20 nm smaller manufacturing technology. What this means is the Phenom II X4 will consume significantly less power and consequently produce less heat, enabling more prolonged computational tasks with fewer adverse effects. This will lower your yearly electricity bill significantly, as well as prevent you from having to invest in extra cooling mechanisms (unless you overclock).

CPU Core Details

CPU CodenameDenebClovertown
MoBo SocketSocket AM2+Not sure
Notebook CPUnono
Release Date07 Dec 201001 Nov 2006
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs4
CPU Threads4vs-
Clock Speed3.4 GHzvs2.67 GHz
Turbo Frequency-vs-
Max TDP95 Wvs120 W
Lithography45 nmvs65 nm
Bit Width64 Bitvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size512 KBvs128 KB
L2 Cache Size2048 KBvs8096 KB
L3 Cache Size6 MBvs-
Memory Channels-vs-
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 Size-vs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Performance Value

CPU Mini Review

Mini ReviewPhenom II X4 B65 is an unlocked Phenom II X2 565.

It should offer similar performance to a Phenom II X4 B99.
Xeon X5355 is a Sever CPU released by Intel in 2006.
The performance is unimpressive considering the purposes it was built for but quite good for 2006.
Every game should run smoothly at high settings but Xeon X5355 wasn't built for gaming.

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