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Gaming Performance Comparison

Recommended System Requirements
Game APU A4 Micro-6400T Quad-Core Celeron N2807 1.58GHz
Red Dead Redemption 2 772% 1449%
Call of Duty: Modern Warfare 546% 1048%
Halo: Reach 260% 540%
Star Wars: Jedi - Fallen Order 863% 1611%
FIFA 20 524% 1008%
Borderlands 3 772% 1449%
Cyberpunk 2077 641% 1216%
Zombieland: Double Tap - Road Trip 772% 1449%
Halo: The Master Chief Collection 772% 1449%
eFootball PES 2020 617% 1174%

In terms of overall gaming performance, the AMD APU A4 Micro-6400T Quad-Core is noticeably better than the Intel Celeron N2807 1.58GHz 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 Micro-6400T was released less than a year after the Celeron N2807 1.58GHz, and so they are likely to have similar levels of support, and similarly optimized performance when running the latest games.

The APU A4 Micro-6400T has 2 more cores than the Celeron N2807 1.58GHz. With 4 cores, the APU A4 Micro-6400T is much less likely to struggle with the latest games, or bottleneck high-end graphics cards when running them.

The APU A4 Micro-6400T has 2 more threads than the Celeron N2807 1.58GHz. 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 Micro-6400T and Celeron N2807 1.58GHz 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 Celeron N2807 1.58GHz has a 0.58 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 APU A4 Micro-6400T.

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 Micro-6400T has a 1024 KB bigger L2 cache than the Celeron N2807 1.58GHz, but neither of the CPUs have L3 caches, so the APU A4 Micro-6400T wins out in this area with its larger L2 cache.

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 APU A4 Micro-6400T has a 1 Watt lower Maximum TDP than the Celeron N2807 1.58GHz. However, the Celeron N2807 1.58GHz was created with a 6 nm smaller manufacturing technology. Overall, by taking both into account, the Celeron N2807 1.58GHz is likely the CPU with the lower heat production and power requirements, by a small amount.

The APU A4 Micro-6400T 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 Celeron N2807 1.58GHz, 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 R3 6400T, 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 CodenameMullinsBay Trail-M
MoBo SocketBGA769 (FT3b)BGA 1170
Notebook CPUyesyes
Release Date29 Apr 201423 Feb 2014
CPU LinkGD LinkGD Link
Approved

CPU Technical Specifications

CPU Cores4vs2
CPU Threads4vs2
Clock Speed1 GHzvs1.58 GHz
Turbo Frequency1.6 GHzvs2.16 GHz
Max TDP4 Wvs5 W
Lithography28 nmvs22 nm
Bit Width64 Bitvs64 Bit
Max Temperature-vs105°C
Virtualization Technologynovsno
Comparison

CPU Cache and Memory

L1 Cache Size128 KBvs102 KB
L2 Cache Size2048 KBvs1024 KB
L3 Cache Size-vs-
Memory Channels-vs-
ECC Memory Supportnovsno
Comparison

CPU Graphics

GraphicsRadeon R3 6400Tno
Base GPU Frequency350 MHzvs-
Max GPU Frequency-vs-
DirectX11.2vs-
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 ‚ÄčA4 Micro-6400T Quad-Core is a micro mobile processor based on the 28nm, Puma+ microarchitecture, exclusively for tablets.
It offers 4 cores clocked at 1.0GHz that go up to 1.6GHz, in Turbo Mode and 2MB of Level 2 Cache. It also offers weak integrated Graphics called Radeon R3 6400T which come clocked at 350MHz and offer 128 Shader Processing Units.
Its performance is ridiculously low and thus only suited for home browsing.
A power optimized processor for SoC notebooks. Very low power consumption, as well as very limited performance. Only very modest games will run optimally.

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