Compare Intel® Products

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Essentials

Product Collection
Vertical Segment
Processor Number
Status
Launch Date
Lithography
Product Collection
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Legacy Intel® Xeon® Processors Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Intel® Xeon® Processor E3 v2 Family
Vertical Segment
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Server Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Server
Processor Number
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) W3520 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) E3-1245V2
Status
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Discontinued Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Discontinued
Launch Date
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Q1'09 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Q2'12
Lithography
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 45 nm Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 22 nm

CPU Specifications

Total Cores
Total Threads
Max Turbo Frequency
Processor Base Frequency
Cache
Bus Speed
# of QPI Links
TDP
Intel® Turbo Boost Technology 2.0 Frequency‡
Total Cores
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 4 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 4
Total Threads
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 8 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 8
Max Turbo Frequency
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 2.93 GHz Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 3.80 GHz
Processor Base Frequency
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 2.66 GHz Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 3.40 GHz
Cache
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 8 MB Intel® Smart Cache Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 8 MB Intel® Smart Cache
Bus Speed
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 4.8 GT/s Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 5 GT/s
# of QPI Links
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 1
TDP
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 130 W Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 77 W
Intel® Turbo Boost Technology 2.0 Frequency‡
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 3.80 GHz

Supplemental Information

Embedded Options Available
Datasheet
Embedded Options Available
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) No
Datasheet
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) View now

Memory Specifications

Max Memory Size (dependent on memory type)
Memory Types
Max # of Memory Channels
Max Memory Bandwidth
Physical Address Extensions
ECC Memory Supported
Max Memory Size (dependent on memory type)
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 24 GB Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 32.77 GB
Memory Types
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) DDR3 800/1066 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) DDR3 1333/1600
Max # of Memory Channels
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 3 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 2
Max Memory Bandwidth
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 25.6 GB/s Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 25.6 GB/s
Physical Address Extensions
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 36-bit
ECC Memory Supported
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes

Package Specifications

Sockets Supported
Max CPU Configuration
TCASE
Package Size
Processing Die Size
# of Processing Die Transistors
Sockets Supported
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) FCLGA1366 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) FCLGA1155
Max CPU Configuration
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 1 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 1
TCASE
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 67.9°C
Package Size
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 42.5mm x 45.0mm Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 37.5mm x 37.5mm
Processing Die Size
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 263 mm2
# of Processing Die Transistors
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 731 million

Advanced Technologies

Intel® Turbo Boost Technology
Intel® Hyper-Threading Technology
Intel® 64
Instruction Set
Instruction Set Extensions
Idle States
Enhanced Intel SpeedStep® Technology
Intel® Demand Based Switching
Thermal Monitoring Technologies
Intel® TSX-NI
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Identity Protection Technology
Intel® Turbo Boost Technology
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 1.0 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 2.0
Intel® Hyper-Threading Technology
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® 64
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Instruction Set
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) 64-bit Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 64-bit
Instruction Set Extensions
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Intel® SSE4.2 Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Idle States
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Enhanced Intel SpeedStep® Technology
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Demand Based Switching
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Thermal Monitoring Technologies
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® TSX-NI
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) No
Intel® Fast Memory Access
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Flex Memory Access
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Identity Protection Technology
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes

Security & Reliability

Intel® AES New Instructions
Intel® Trusted Execution Technology
Execute Disable Bit
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® vPro™ Platform Eligibility
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® AES New Instructions
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Trusted Execution Technology
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) No Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Execute Disable Bit
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Virtualization Technology (VT-x)
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® VT-x with Extended Page Tables (EPT)
Intel® Xeon® Processor W3520 (8M Cache, 2.66 GHz, 4.80 GT/s Intel® QPI) Yes Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® vPro™ Platform Eligibility
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes

Processor Graphics

Graphics Base Frequency
Graphics Max Dynamic Frequency
Intel® Quick Sync Video
Intel® InTru™ 3D Technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Clear Video HD Technology
# of Displays Supported
Graphics Base Frequency
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 650 MHz
Graphics Max Dynamic Frequency
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 1.25 GHz
Intel® Quick Sync Video
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® InTru™ 3D Technology
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Flexible Display Interface (Intel® FDI)
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
Intel® Clear Video HD Technology
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) Yes
# of Displays Supported
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 3

Expansion Options

PCI Express Revision
PCI Express Configurations
PCI Express Revision
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 3.0
PCI Express Configurations
Intel® Xeon® Processor E3-1245 v2 (8M Cache, 3.40 GHz) 1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4

AC

Active: This specific part is active.

EN

End of Life: Product End of Life notification has been published.

NI

Not Implemented: No Orders, Inquiries, Quotes, Deliveries Returns, or Shipments.

NO

No Orders after Last Order Entry Date: Used for end of life products. Allows for delivery and returns.

OB

Obsolete: Inventory available. No future supplies will be available.

PA

Pre Active: Orders may be taken, but not scheduled, nor shipped.

QR

Quality/Reliability Hold.

RP

Retired Price:  All functions are blocked similar to RT status (orders, returns, shipments, etc).  However, RP status allows price reference structure maintenance and price record maintenance which will be reflected in Data Warehouse and Legacy systems.

RS

Reschedule

RT

Retired: This specific part is no longer being manufactured or purchased and no inventory is available.

E2

Obsolete and past last time buy.

BR

Bookings Release (BR) – Product can be booked but not shipped.