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Gaming Performance Comparison

Recommended System Requirements
Game Sempron 3850 Athlon II X2 245e
Cyberpunk 2077 383% 397%
Assassins Creed: Valhalla 551% 569%
Call of Duty: Black Ops Cold War 368% 382%
Hitman 3 551% 569%
Grand Theft Auto VI 694% 717%
FIFA 21 352% 365%
Far Cry 6 663% 684%
Genshin Impact 266% 276%
World of Warcraft: Shadowlands 651% 673%
Watch Dogs Legion 551% 569%

In terms of overall gaming performance, the AMD Sempron 3850 is marginally better than the AMD Athlon II X2 245e 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 Sempron 3850 was released over three years more recently than the Athlon II X2, and so the Sempron 3850 is likely to have far better levels of support, and will be much more optimized and ultimately superior to the Athlon II X2 when running the latest games.

The Sempron 3850 has 2 more cores than the Athlon II X2. With 4 cores, the Sempron 3850 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 Sempron 3850 and Athlon II X2 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 X2 has a 1.6 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 Sempron 3850 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 Sempron 3850 and the Athlon II X2 have the same L2 cache size, and neither CPU appears to have an L3 cache. They even have the same L1 cache size, so are identical in terms of cache size.

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 Sempron 3850 has a 20 Watt lower Maximum TDP than the Athlon II X2, and was created with a 17 nm smaller manufacturing technology. What this means is the Sempron 3850 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).

The Sempron 3850 has an on-board GPU, which means that it will be capable of running basic graphics applications (i.e., games) without the need for a dedicated graphics card. The Athlon II X2, however, does not, and you will probably have to look for a dedicated card if you wish to use it at all.

For in-depth GPU comparisons with the Radeon HD 8280, click on the following GPU overview comparison icon (visible throughout Game-Debate), and choose a GPU from the list to compare against:

On-board GPUs tend to be fairly awful in comparison to dedicated cards from the likes of AMD or Nvidia, but as they are built into the CPU, they also tend to be cheaper and require far less power to run (this makes them a good choice for laptops). We would recommend a dedicated card for running the latest games, but integrated GPUs are improving all the time and casual gamers may find less recent games perform perfectly acceptably.

CPU Core Details

CPU CodenameKabiniRegor
MoBo SocketSocket AM1Socket AM2+ / AM3
Notebook CPUnono
Release Date09 Apr 201410 May 2010
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs2
CPU Threads4vs-
Clock Speed1.3 GHzvs2.9 GHz
Turbo Frequency-vs-
Max TDP25 Wvs45 W
Lithography28 nmvs45 nm
Bit Width64 Bitvs-
Max Temperature90°Cvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs256 KB
L2 Cache Size2048 KBvs2048 KB
L3 Cache Size-vs-
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsRadeon HD 8280no
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 ReviewSempron 3850 is a low-budget quad-core processor based on the Jaguar microarchitecture.
Sempron 3850 packs 4 Kabini Cores, clocked at 1.45GHz and weak integrated graphics called Radeon HD 8280 that offer 128 Shader Processing Units and come clocked at 450MHz. The rated TDP is of 25W, thus the processor is suited for weaker systems.
The performance of the processor is below the average, while the integrated graphics can only run most modern games at the lowest settings.
The 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.