Select any two CPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game APU A4-4020 Dual-Core Athlon X2 340
Red Dead Redemption 2 371% 372%
Call of Duty: Modern Warfare 249% 250%
Zombieland: Double Tap - Road Trip 371% 372%
Cyberpunk 2077 300% 301%
Microsoft Flight Simulator 413% 413%
Borderlands 3 371% 372%
FIFA 20 237% 237%
The Outer Worlds 312% 313%
eFootball PES 2020 288% 288%
Ghost Recon Breakpoint 421% 421%

In terms of overall gaming performance, the AMD APU A4-4020 Dual-Core is marginally better than the AMD Athlon X2 340 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 APU A4-4020 Dual-Core was released over a year more recently than the Athlon X2 340, and so the APU A4-4020 Dual-Core is likely to have better levels of support, and will be more optimized for running the latest games.

The APU A4-4020 Dual-Core and the Athlon X2 340 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 APU A4-4020 Dual-Core and the Athlon X2 340 may still be able to run slightly older games fairly effectively.

Both the AMD APU A4-4020 Dual-Core and the AMD Athlon X2 340 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 APU A4-4020 Dual-Core and Athlon X2 340 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 APU A4-4020 Dual-Core and the Athlon X2 340 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 APU A4-4020 Dual-Core and the Athlon X2 340 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.

Both the APU A4-4020 Dual-Core and the Athlon X2 340 have the same TDP of 65 Watts, and were created with the same manufacturing size of 32 nm, which means they will affect your yearly electricity bill about equally.

The APU A4-4020 Dual-Core 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 X2 340, 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 7480D, 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 Codename-Trinity
MoBo SocketSocket FM2Socket FM2
Notebook CPUnono
Release Date01 Mar 201401 Oct 2012
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores2vs2
CPU Threads2vs2
Clock Speed3.2 GHzvs3.2 GHz
Turbo Frequency3.4 GHzvs3.6 GHz
Max TDP65 Wvs65 W
Lithography32 nmvs32 nm
Bit Width64 Bitvs64 Bit
Max Temperature70°Cvs-
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size96 KBvs96 KB
L2 Cache Size1024 KBvs1024 KB
L2 Cache Speed-vs-
L3 Cache Size-vs-
Memory Channels-vs2
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsRadeon HD 7480D
Base GPU Frequency723 MHzvs-
Max GPU Frequency-vs-
DirectX11vs-
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 ReviewAPU A4-4020 Dual-Core is an entry-level CPU based on the 32nm, Piledriver architecture.

It offers 2 Physical Cores (2 Logical), initially clocked at 3.2GHz, which may go up to 3.4GHz and 1MB of L2 Cache.
Among its many features, Turbo Core and Virtualization are activated.

The processor integrates very weak Graphics called Radeon HD 7480D, with 128 Shader Processing Units, clocked at 720MHz, which share the L2 Cache and system RAM with the processor.
Both the processor and integrated graphics have a rated board TDP of 65W.

Its performance is below the average and so most demanding games will not run optimally.
Athlon X2 340 is a middle-class processor based on the 32nm Piledriver architecture.

It offers 2 Physical Cores (2 Logical), initially clocked at 3.2GHz, which may go up to 3.6GHz and 1MB of L2 Cache.
Among its many features, Turbo Core and Virtualization are 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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