| All Core i5 Models |
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| Introduction |
The Core i5 is a CPU series manufactured by Intel aimed at mid-range computers. In this tutorial, we will present a series of quick reference tables for you to compare the main differences between all models released to date. By the way, the correct name of this line of processors is “Core i5,” not “Intel i5.” Currently, there are three different generations of Core i5 processors available. In the table below, we describe the main differences between these generations. Model | 7xx | 6xx | 4xx and 5xx | 2xxx | 2xxx | 3xxx | 3xxx | Market | Desktop | Desktop | Mobile | Desktop | Mobile | Desktop | Mobile | Generation | First | First | First | Second | Second | Third | Third | Microarchitecture | Nehalem | Nehalem | Nehalem | Sandy Bridge | Sandy Bridge | Ivy Bridge | Ivy Bridge | Manufacturing Process | 45 nm | 32 nm | 32 nm | 32 nm | 32 nm | 22 nm | 22 nm | Number of Cores | 4 | 2 | 2 | 4† | 2 | 4 | 2 | Hyper-Threading | No | Yes | Yes | No† | Yes | No | Yes | L1 cache (per core) | 32 kB+32 kB | 32 kB+32 kB | 32 kB+32kB | 32 kB+32 kB | 32 kB+32kB | 32 kB+32kB | 32 kB+32 kB | L2 cache (per core) | 256 kB | 256 kB | 256 kB | 256 kB | 256 kB | 256 kB | 256 kB | L3 cache (total) | 8 MB | 4 MB | 3 MB | 6 MB† | 3 MB | 6 MB | 3 MB | DMI bus | 1 GB/s | 1 GB/s | 1 GB/s | 2 GB/s | 2 GB/s | 2 GB/s | 2 GB/s | Memory (DDR3) | 1066, 1333 | 1066, 1333 | 800, 1066 | 1066, 1333 | 1066, 1333, 1600 | 1333, 1600 | 1333, 1600 | DDR3L and DDR3L-RS | No | No | No | No | No | No | Yes | Graphics Engine | No | HD Graphics | HD Graphics | HD 2000 or HD 3000‡ | HD 3000 | HD 2500 or HD 4000‡ | HD 4000 | DirectX | No | 10 | 10 | 10.1‡ | 10.1 | 11‡ | 11 | Graphics Processors | No | 12 | 6 | 6 or 12‡ | 12 | 6 or 12‡ | 12 | Graphics Base Clock | No | 733 MHz or 900 MHz | 166 MHz or 500 MHz | 650 MHz or 850 MHz‡ | 350 MHz or 650 MHz | 650 MHz‡ | 350 MHz or 650 MHz | Graphics Boost Clock | No | No | 500 MHz or 766 MHz | 1.25 GHz or 1.1 GHz‡ | 1.2 GHz or 1.3 GHz | 1.05 GHz, 1.1 GHz or 1.15 GHz‡ | 1.05 GHz, 1.15 GHz or 1.2 GHz | Displays Supported | None | 2 | 2 | 2‡ | 2 | 3‡ | 3 | PCIe Controller | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 3.0 | 3.0 | PCIe Configuration | 1x16, 2x8 | 1x16, 2x8 | 1x16 | 1x16, 2x8, 1x8, 2x4 | 1x16, 2x8, 1x8, 2x4 | 1x16, 2x8, 1x8, 2x4 | 1x16, 2x8, 1x8, 2x4 | Turbo Boost | 1.0 | 1.0 | 1.0 | 2.0 | 2.0 | 2.0 | 2.0 | EM64T | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Virtualization | Yes | Yes | Yes | Yes | Yes | Yes | Yes | SSE4.2 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | AES-NIS | No | Yes | Yes | Yes | Yes | Yes | Yes | AVX | No | No | No | Yes | Yes | Yes | Yes | Base Clock | 133 MHz | 133 MHz | 133 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | Pinout | LGA1156 | LGA1156 | G1 or BGA1288 | LGA1155 | G2 or BGA1023 | LGA1155 | G2 or BGA1023 |
† Except for the model 2390T, which has two cores, supports the Hyper-Threading technology, and has 3 MB of cache L3. ‡ The 2550K model and models ending with a “P” don’t have integrated video. Let’s now take a detailed look at all Core i5 models launched so far.
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