A10-5800K vs. Core i3-3220 CPU Review

The Reviewed CPUs

In the tables below, we compare the main features of the CPUs included in our review. The new A10-5800K finally brings support for the SSE4 instruction set (both SSE4.1 and SSE4.2), and it also supports the AVX instruction set. More importantly, it has a “turbo clock” technology, which was not available on the previous generation and is not available on Intel’s Core i3 processor line. The Intel CPUs included in our review are dual-core, but since they support Hyper-Threading (HT) technology, which simulates one additional core per CPU physical core, the operating system “sees” these CPUs as having four cores.

It is important to understand that with the second-generation APUs from AMD, each pair of CPU cores share the same front-end engine (i.e., the fetch unit, the L1 instruction cache, and the instruction decoders). So, each pair of CPU cores is part of the same “module,” and the A10-5800K is comprised of two of these modules. This concept was introduced with the AMD “Bulldozer” architecture, used on AMD’s FX processor line, and adopted on the “Piledriver” architecture used by the second-generation APUs. With the other CPUs included in our review, each core is a complete CPU, each with its own front-end engine.

CPU Cores HT SSE4 AVX IGP Internal Clock Turbo Clock Base Clock Codename Tech. TDP Socket Price
A10-5800K 4 No Yes Yes Yes 3.8 GHz 4.2 GHz 100 MHz Trinity 32 nm 100 W FM2 USD 130
A8-3870K 4 No No No Yes 3.0 GHz No 100 MHz Llano 32 nm 100 W FM1 USD 110
Core i3-2105 2 Yes Yes Yes Yes 3.1 GHz No 100 MHz Sandy Bridge 32 nm 65 W LGA1155 USD 135
Core i3-3220 2 Yes Yes Yes Yes 3.3 GHz No 100 MHz Ivy Bridge 22 nm 55 W LGA1155 USD 130

Prices were researched at Newegg.com on the day we published this review. TDP stands for Thermal Design Power and states the maximum amount of heat the CPU can dissipate. The CPU cooler must be capable of dissipating at least this amount of heat.

Below you can see the memory configuration for each CPU.

CPU L1 Cache (I + D) L2 Cache L3 Cache Memory Support Memory Channels
A10-5800K 64 kB per module + 16 kB per core 2 MB x 2 No Up to DDR3-1866 Two
A8-3870K 64 kB + 64 kB per core 1 MB per core No Up to DDR3-1866 Two
Core i3-2105 32 kB + 32 kB per core 256 kB per core 3 MB total Up to DDR3-1333 Two
Core i3-3220 32 kB + 32 kB per core 256 kB per core 3 MB total Up to DDR3-1333 Two

Below we have a quick comparison of the video engine of the CPUs.

CPU Video Engine DirectX Clock Cores
A10-5800K Radeon HD 7660D 11 800 MHz 384
A8-3870K Radeon HD 6550D 11 600 MHz 400
Core i3-2105 Intel HD 3000 10.1 850 MHz/1.1 GHz 12
Core i3-3220 Intel HD 2500 11 650 MHz/1.05 GHz 6

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Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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