E3-1260L (8M Cache, 2.40 GHz) E3-1265L v2 (8M Cache, 2.50 GHz)

http://ark.intel.com/compare/52275,65728 

Product Name	Intel® Xeon® Processor E3-1260L (8M Cache, 2.40 GHz)	Intel® Xeon® Processor E3-1265L v2 (8M Cache, 2.50 GHz)
Code Name	Sandy Bridge	Ivy Bridge
Essentials
Status	End of Life	Launched
Launch Date	Q2'11	Q2'12
Processor Number	E3-1260L	E3-1265LV2
Cache	8 MB Intel® Smart Cache	8 MB Intel® Smart Cache
Bus Type	DMI	DMI
System Bus	5 GT/s	5 GT/s
Instruction Set	64-bit	64-bit
Instruction Set Extensions	SSE4.1/4.2, AVX	SSE4.1/4.2, AVX
Embedded Options Available	No	No
Lithography	32 nm	22 nm
Recommended Customer Price	TRAY: $294.00	BOX : $305.00 TRAY: $294.00
Datasheet	Link	Link
Performance
# of Cores	4	4
# of Threads	8	8
Processor Base Frequency	2.4 GHz	2.5 GHz
Max Turbo Frequency	3.3 GHz	3.5 GHz
TDP	45 W	45 W
Memory Specifications
Max Memory Size (dependent on memory type)	32 GB	32 GB
Memory Types	DDR3 1066/1333	DDR3 1333/1600
Max # of Memory Channels	2	2
Max Memory Bandwidth	21 GB/s
ECC Memory Supported ‡	Yes	Yes
Graphics Specifications
Processor Graphics ‡	Intel® HD Graphics 2000	Intel® HD Graphics 2500
Graphics Base Frequency	650 MHz	650 MHz
Graphics Max Dynamic Frequency	1.25 GHz	1.15 GHz
Intel® Quick Sync Video	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Wireless Display	No
Intel® Flexible Display Interface (Intel® FDI)	Yes	Yes
Intel® Clear Video HD Technology	Yes	Yes
# of Displays Supported ‡	2	3
Intel® Insider™		Yes
Intel® Clear Video Technology		Yes
Expansion Options
PCI Express Revision	2.0	3.0
Max # of PCI Express Lanes	20
PCI Express Configurations ‡		1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4
Package Specifications
Max CPU Configuration	1
TCASE	58.6°C
Package Size	37.5mm x 37.5mm
Sockets Supported	LGA1155	FCLGA1155
Low Halogen Options Available	See MDDS	See MDDS
Advanced Technologies
Intel® Turbo Boost Technology‡	2.0	2.0
Intel® vPro Technology ‡	Yes	Yes
Intel® Hyper-Threading Technology ‡	Yes	Yes
Intel® Virtualization Technology (VT-x) ‡	Yes	Yes
Intel® Virtualization Technology for Directed I/O (VT-d)‡	Yes	Yes
Intel® VT-x with Extended Page Tables (EPT) ‡	Yes	Yes
Intel® 64 ‡	Yes	Yes
Idle States	Yes	Yes
Enhanced Intel SpeedStep® Technology	Yes	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	Yes
Intel® TSX-NI		No
- Intel® Data Protection Technology
AES New Instructions	Yes	Yes
- Intel® Platform Protection Technology
Trusted Execution Technology‡	Yes	Yes
Execute Disable Bit ‡	Yes	Yes