Intel Xeon E5-4650L vs. Intel Xeon E3-1281V3

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon E5-4650L and Intel Xeon E3-1281V3. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

Intel Xeon E5-4650L vs. Intel Xeon E3-1281V3 Benchmark Chart
GENERAL Intel Xeon E5-4650L Intel Xeon E3-1281V3
Product Type Processor Processor
Packaged Quantity 2 (specifications are for single item) -
PROCESSOR Intel Xeon E5-4650L Intel Xeon E3-1281V3
Type Intel Xeon E5-4650L Intel Xeon E3-1281V3
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1150 Socket
Power Efficiency Low-Power -
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 22 nm
Thermal Design Power 115 W 82 W
PCI Express Revision 3.0 3.0
PCI Express Configurations - 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty 40 16
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT) SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 2.6 GHz 3.7 GHz
Max Turbo Speed 3.1 GHz 4.1 GHz
Bus Speed 1600 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 20 MB 8 MB
Cache Memory Details Smart Cache - 20 MB L3 - 8 MB
Installed Size 20 MB 8 MB
RAM
Installed RAM Size - 32 GB
EXPANSION & CONNECTIVITY Intel Xeon E5-4650L Intel Xeon E3-1281V3
Compatible Slots 1 x processor - LGA2011 Socket 1 x processor - LGA1150 Socket
MISCELLANEOUS Intel Xeon E5-4650L Intel Xeon E3-1281V3
Compliant Standards RoHS RoHS
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