Essentials
Download Specifications
Product CollectionLegacy Intel® Core™ Processors
Code NameProducts formerly Lynnfield
Vertical SegmentDesktop
Processor Number i7-870
Lithography 45 nm
Recommended Customer Price $305.00
CPU Specifications
Total Cores 4
Total Threads 8
Max Turbo Frequency 3.60 GHz
Processor Base Frequency 2.93 GHz
Cache 8 MB Intel® Smart Cache
Bus Speed 2.5 GT/s
TDP 95 W
Supplemental Information
Marketing StatusDiscontinued
Launch Date Q3’09
Servicing Status End of Servicing Lifetime
Embedded Options Available No
DatasheetView now
Memory Specifications
Max Memory Size (dependent on memory type) 16 GB
Memory Types DDR3 1066/1333
Max # of Memory Channels 2
Max Memory Bandwidth 21 GB/s
Physical Address Extensions 36-bit
ECC Memory Supported ‡ No
Expansion Options
PCI Express Revision 2.0
PCI Express Configurations ‡ 1×16, 2×8
Max # of PCI Express Lanes 16
Package Specifications
Sockets Supported LGA1156
Max CPU Configuration1
TCASE 72.7°C
Package Size37.5mm x 37.5mm
Processing Die Size296 mm2
# of Processing Die Transistors774 million
Advanced Technologies
Intel® Turbo Boost Technology ‡ 1.0
Intel® Hyper-Threading Technology ‡ Yes
Intel® 64 ‡ Yes
Instruction Set 64-bit
Instruction Set Extensions Intel® SSE4.2
Idle States Yes
Enhanced Intel SpeedStep® Technology Yes
Intel® Demand Based Switching No
Thermal Monitoring Technologies No
Security & Reliability
Intel vPro® Eligibility ‡ Intel vPro® Platform
Intel® AES New Instructions No
Intel® Trusted Execution Technology ‡ Yes
Execute Disable Bit ‡ Yes
Intel® Virtualization Technology (VT-x) ‡ Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡ Yes
Intel® VT-x with Extended Page Tables (EPT) ‡ Yes
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