Effective Speed
Effective CPU Speed |
61.6 % | 73 % | Faster effective speed. |
Series
CPU Architecture |
Nehalem | Sandy Bridge | ||||
Socket
Motherboard Socket |
LGA1366 | LGA1155 | ||||
Graphics
Integrated Graphics |
None | HD 3000 | ||||
Launch Date
Launch Date |
Q4'08 | Q4'11 | ||||
Instruction Set Extensions
Instruction Set Extensions |
SSE4.2 | SSE4.1/4.2, AVX | ||||
Lithography
Lithography |
45 nm | 32 nm | ||||
Recommended Price
Recommended Customer Price |
$305.00 | N/A | ||||
Max Turbo Frequency
Max Turbo Frequency |
2.93 GHz | 3.9 GHz | ||||
Bus Speed
Bus Speed |
4.8 GT/s QPI | 5 GT/s DMI | ||||
Max Memory Size
Max Memory Size (dependent on memory type) |
24 GB | 32 GB | ||||
Memory Types
Memory Types |
DDR3 800/1066 | DDR3 1066/1333 | ||||
Memory Channels
Max # of Memory Channels |
3 | 2 | ||||
Memory Bandwidth
Max Memory Bandwidth |
25.6 GB/s | 21 GB/s | ||||
Package Size
Package Size |
42.5mm x 45.0mm | 37.5mm x 37.5mm | ||||
Thermal Monitoring Technologies
Thermal Monitoring Technologies |
No | Yes | ||||
Turbo Boost Tech
Intel® Turbo Boost Technology ‡ |
1.0 | 2.0 | ||||
AES New Instructions
Intel® AES New Instructions |
No | Yes | ||||
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