Select any two CPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Phenom II X2 B59 Athlon X2 7750 Black Edition
Cyberpunk 2077 257% 252%
Red Dead Redemption 2 264% 259%
Call of Duty: Modern Warfare 211% 207%
Doom Eternal 245% 240%
Microsoft Flight Simulator 349% 343%
Need For Speed Heat 255% 250%
Grand Theft Auto VI 509% 501%
Star Wars: Jedi - Fallen Order 399% 392%
BeamNG.drive 115% 112%
Star Citizen 245% 240%

In terms of overall gaming performance, the AMD Athlon X2 7750 Black Edition is marginally better than the AMD Phenom II X2 B59 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 X2 was released less than a year after the Athlon X2 7750, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The Phenom II X2 and the Athlon X2 7750 both have 2 cores, and so are quite likely to struggle with the latest games, or at least bottleneck high-end graphics cards when running them. With a decent accompanying GPU, the Phenom II X2 and the Athlon X2 7750 may still be able to run slightly older games fairly effectively.

Both the AMD Phenom II X2 B59 and the AMD Athlon X2 7750 Black Edition have the same number of threads. 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 Phenom II X2 and Athlon X2 7750 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 X2 has a 0.7 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 .

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 II X2 and the Athlon X2 7750 have the same L2 cache size, but the Athlon X2 7750 has a 2042 MB bigger L3 cache, so in this area, it wins out over the Phenom II X2.

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 X2 has a 15 Watt lower Maximum TDP than the Athlon X2 7750, and was created with a 20 nm smaller manufacturing technology. What this means is the Phenom II X2 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).

CPU Core Details

CPU CodenameCallistoKuma
MoBo SocketSocket AM2+ / AM3Socket FM2
Notebook CPUnono
Release Date02 Dec 200914 Dec 2008
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores2vs2
CPU Threads2vs2
Clock Speed3.4 GHzvs2.7 GHz
Turbo Frequency-vs-
Max TDP80 Wvs95 W
Lithography45 nmvs65 nm
Bit Width64 Bitvs64 Bit
Max Temperature-vs73°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size256 KBvs256 KB
L2 Cache Size1024 KBvs1024 KB
L3 Cache Size6 MBvs2048 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 ReviewPhenom II X2 B59 is a business-class processor based on the 45nm, K10 architecture.

It offers 2 Physical Cores (2 Logical), clocked at 3.4GHz and 6MB of L3 Cache.
Among its many features, Virtualization is activated.

The processor DOES NOT integrate any graphics. and has a rated board TDP of 80W.

Its performance is below the average and so most demanding games will not run optimally.
Athlon 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.

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