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Gaming Performance Comparison

Recommended System Requirements
Game Athlon II X3 455 FX-6100
Cyberpunk 2077 226% 66%
Control 318% 112%
eFootball PES 2020 216% 61%
Call of Duty: Modern Warfare 318% 112%
Grand Theft Auto VI 422% 165%
Borderlands 3 226% 66%
Total War: Three Kingdoms 422% 165%
Red Dead Redemption 2 338% 123%
F1 2019 337% 122%
FIFA 20 175% 40%

In terms of overall gaming performance, the AMD FX-6100 is massively better than the AMD Athlon II X3 455 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 FX-6100 was released less than a year after the Athlon II X3, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The FX-6100 has 3 more cores than the Athlon II X3. With 6 cores, the FX-6100 is much less likely to struggle with the latest games, or bottleneck high-end graphics cards when running them.

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 Athlon II X3 and FX-6100 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 Athlon II X3 and the FX-6100 both have the same clock frequency, this is by no means an indicator that the two CPUs will provide the same level of performance. 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 FX-6100 has a 4608 KB bigger L2 cache than the Athlon II X3, and although the Athlon II X3 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.

Both the Athlon II X3 and the FX-6100 have the same TDP of 95 Watts, but the FX-6100 has a lower lithography size, and so will affect your yearly electricity bills less adversely.

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CPU Core Details

CPU CodenameRanaZambezi
MoBo SocketSocket AM3+Socket AM3+
Notebook CPUnono
Release Date07 Dec 201012 Oct 2011
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores3vs6
CPU Threads-vs6
Clock Speed3.3 GHzvs3.3 GHz
Turbo Frequency-vs3.6 GHz
Max TDP95 Wvs95 W
Lithography45 nmvs32 nm
Bit Width-vs64 Bit
Max Temperature-vs70°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size384 KBvs288 KB
L2 Cache Size1536 KBvs6144 KB
L3 Cache Size-vs8 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 Size-vs-
Revision-vs-
PCIe Revision-vs-
PCIe Configurations-vs-

Gaming Performance Value

Battlefield 3vs
The Elder Scrolls Vvs
Max Payne 3vs
Crysis 2vs
Sleeping Dogsvs
Performance Value

CPU Mini Review

Mini ReviewThe Athlon II series is based on the AMD K10 architecture and derived from the Phenom II series. However, unlike its Phenom siblings, it does not contain any L3 Cache. There are two Athlon II dies: the dual-core Regor die with 1 MB L2 Cache per core and the four-core Propus with 512 KB per core. Regor is a native dual-core design with lower TDP and additional L2 to offset the removal of L3 cache. The three core Rana is derived from the Propus quad-core design, with one core disabled.FX-6100 is a high-end CPU based on the 32nm Bulldozer architecture.

It offers 6 Physical Cores (6 Logical), initially clocked at 3.3GHz, which may go up to 3.6GHz and 8MB 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 is a powerful Hexa Core whose performance is good. It's thus capable of running most applications smoothly without any problem.

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