| A8-3870K vs. Core i3-2105 CPU Review |
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Real-time pricing for AMD AD3870WNGXBOX |
| AMDnode AMD A8-3870K APU with Radeon 6550 HD Graphics 3.0GHz Unlocked Socket FM1 100W Quad-Core Processor Retail AD3870WNGXBOX Pix-B0219214-uk-uk-1 Computers & Accessories Quad- |
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| The Reviewed CPUs |
In the tables below, we compare the main features of the CPUs included in our review. The CPUs from Intel support the SSE4 instruction set (both SSE4.1 and SSE4.2), which is not available on the AMD CPUs included in our review. 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” this CPU as having four cores. CPU | Cores | HT | SSE4 | IGP | Internal Clock | Turbo Clock | Base Clock | Core | Tech. | TDP | Socket | Price | A8-3850 | 4 | No | No | Yes | 2.9 GHz | No | 100 MHz | Stars | 32 nm | 100 W | FM1 | USD 140 | A8-3870K | 4 | No | No | Yes | 3.0 GHz | No | 100 MHz | Stars | 32 nm | 100 W | FM1 | USD 145 | Core i3-2100 | 2 | Yes | Yes | Yes | 3.1 GHz | No | 100 MHz | SandyBridge | 32 nm | 65 W | 1155 | USD 125 | Core i3-2105 | 2 | Yes | Yes | Yes | 3.1 GHz | No | 100 MHz | Sandy Bridge | 32 nm | 65 W | 1155 | USD 135 |
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. During our review, we used DDR3-1866 memory modules. CPU | L1 Cache | L2 Cache | L3 Cache | Memory Support | Memory Channels | A8-3850 | 64 KB + 64 KB per core | 1 MB per core | 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 i3-2100 | 32 KB + 32 KB per core | 3 MB total | No | Up to DDR3-1333 | Two | Core i3-2105 | 32 KB + 32 KB per core | 3 MB total | No | Up to DDR3-1333 | Two |
Below we have a quick comparison of the video engine of the CPUs. CPU | Video Engine | DirectX | Clock | Cores | A8-3850 | Radeon HD 6550D | 11 | 600 MHz | 400 | A8-3870K | Radeon HD 6550D | 11 | 600 MHz | 400 | Core i3-2100 | Intel HD 2000 | 10.1 | 850 MHz | 6 | Core i3-2105 | Intel HD 3000 | 10.1 | 850 MHz | 12 |
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