Effective Speed
Effective CPU Speed |
80.1 % | Slightly faster effective speed. |
73 % |
Series
CPU Architecture |
Coffee Lake | Sandy Bridge | ||||
Socket
Motherboard Socket |
FCLGA1151 | LGA1155 | ||||
Graphics
Integrated Graphics |
None | HD 3000 | ||||
Launch Date
Launch Date |
Q2'19 | Q4'11 | ||||
Cache
Cache |
6 MB SmartCache | 8 MB SmartCache | ||||
Instruction Set Extensions
Instruction Set Extensions |
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | SSE4.1/4.2, AVX | ||||
Lithography
Lithography |
14 nm | 32 nm | ||||
Max Turbo Frequency
Max Turbo Frequency |
4.20 GHz | 3.9 GHz | ||||
Bus Speed
Bus Speed |
8 GT/s DMI3 | 5 GT/s DMI | ||||
Max Memory Size
Max Memory Size (dependent on memory type) |
64 GB | 32 GB | ||||
Memory Types
Memory Types |
DDR4-2400 | DDR3 1066/1333 | ||||
Memory Bandwidth
Max Memory Bandwidth |
37.5 GB/s | 21 GB/s | ||||
ECC Memory Supported
ECC Memory Supported ‡ |
Yes | No | ||||
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡ |
No | Yes | ||||
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡ |
Yes | No | ||||
PCI Express Revision
PCI Express Revision |
3.0 | 2.0 | ||||
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