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Gaming Performance Comparison

Recommended System Requirements
Game Athlon X2 7750 Black Edition Phenom 9450e Quad-Core
Halo: Reach 71% 30%
Red Dead Redemption 2 314% 215%
Call of Duty: Modern Warfare 207% 133%
Borderlands 3 314% 215%
Cyberpunk 2077 252% 167%
Star Wars: Jedi - Fallen Order 357% 248%
Halo: The Master Chief Collection 314% 215%
FIFA 20 196% 125%
Fortnite: Chapter 2 128% 73%
Microsoft Flight Simulator 350% 242%

In terms of overall gaming performance, the AMD Phenom 9450e Quad-Core is significantly better than the AMD Athlon X2 7750 Black Edition 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 Athlon X2 7750 was released less than a year after the Phenom 9450e Quad-Core, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Phenom 9450e Quad-Core has 2 more cores than the Athlon X2 7750. With 4 cores, the Phenom 9450e Quad-Core is much less likely to struggle with the latest games, or bottleneck high-end graphics cards when running them.

The Phenom 9450e Quad-Core has 2 more threads than the Athlon X2 7750. 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 Athlon X2 7750 and Phenom 9450e Quad-Core 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 X2 7750 has a 0.6 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 enough that it possibly indicates the superiority of the Phenom 9450e Quad-Core.

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 Phenom 9450e Quad-Core has a 1024 KB bigger L2 cache than the Athlon X2 7750, but on the other hand, it is the Athlon X2 7750 that has a 2046 MB bigger L3 cache than the Phenom 9450e Quad-Core. The L3 size of the Phenom 9450e Quad-Core is probably low enough to greatly inhibit its gaming performance in comparison to the Athlon X2 7750.

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 9450e Quad-Core has a 30 Watt lower Maximum TDP than the Athlon X2 7750 (though they were created with the same size 65 nm manufacturing technology). What this means is the Phenom 9450e Quad-Core 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 CodenameKumaAgena
MoBo SocketSocket FM2Socket AM2+
Notebook CPUnono
Release Date14 Dec 200801 Oct 2008
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores2vs4
CPU Threads2vs4
Clock Speed2.7 GHzvs2.1 GHz
Turbo Frequency-vs-
Max TDP95 Wvs65 W
Lithography65 nmvs65 nm
Bit Width64 Bitvs64 Bit
Max Temperature73°Cvs70°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs512 KB
L2 Cache Size1024 KBvs2048 KB
L3 Cache Size2048 MBvs2 MB
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

Graphics
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 ReviewAthlon X2 7750 Black Edition is a middle-class processor based on the 65nm, K10 architecture.

It offers 2 Physical Cores (2 Logical), clocked at 2.7GHz and 2MB of L3 Cache.
Among its many features, Virtualization is activated and the clock multiplier is unlocked, meaning it can be overclocked easily.

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

It offers average performance. This means it will become a bottleneck in some demanding applications.
Phenom 9450e Quad-Core is an energy efficient performance processor based on the 65nm, K10 architecture.

It offers 4 Physical Cores (4 Logical), clocked at 2.1GHz and 2MB of L3 Cache.
Among its many features, Virtualization is activated.

The processor DOES NOT integrate any graphics. and has a rated board TDP of 65W.

It offers average performance. This means it will become a bottleneck in some demanding applications.

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