Essentials

Product Collection Intel Xeon Processor E3 Family
Code Name Products formerly Sandy Bridge
Vertical Segment Server
Processor Number E3-1225
Status Discontinued
Launch Date Q2'11
Lithography 32 nm
Use Conditions Server/Enterprise

Performance

# of Cores 4
# of Threads 4
Processor Base Frequency 3.10 GHz
Max Turbo Frequency 3.40 GHz
Cache 6 MB Intel Smart Cache
Bus Speed 5 GT/s
TDP 95 W

Supplemental Information

Embedded Options Available Yes

Memory Specifications

Max Memory Size (dependent on memory type) 32 GB
Memory Types DDR3 1066/1333
Max # of Memory Channels 2
Max Memory Bandwidth 21 GB/s
ECC Memory Supported Yes

Processor Graphics

Graphics Base Frequency 850 MHz
Graphics Max Dynamic Frequency 1.35 GHz
Intel Quick Sync Video Yes
Intel InTru 3D Technology Yes
Intel Flexible Display Interface (Intel FDI) Yes
Intel Clear Video HD Technology Yes
# of Displays Supported 2

Expansion Options

PCI Express Revision 2.0
Max # of PCI Express Lanes 20

Package Specifications

Sockets Supported LGA1155
Max CPU Configuration 1
TCASE 72.6°C
Package Size 37.5mm x 37.5mm

Advanced Technologies

Intel Turbo Boost Technology 2.0
Intel vPro Platform Eligibility Yes
Intel Hyper-Threading Technology No
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
Intel 64 Yes
Instruction Set 64-bit
Instruction Set Extensions Intel SSE4.1, Intel SSE4.2, Intel AVX
Idle States Yes
Enhanced Intel SpeedStep Technology Yes
Intel Demand Based Switching Yes
Thermal Monitoring Technologies Yes
Intel Fast Memory Access Yes
Intel Flex Memory Access Yes
Intel Identity Protection Technology Yes

Security & Reliability

Intel AES New Instructions Yes
Intel Trusted Execution Technology Yes
Execute Disable Bit Yes