Intel Xeon E7-4820V2 vs. Intel Xeon E3-1281V3

CPU Comparison, Reviews and Tests

Side by side comparison and review of Intel Xeon E7-4820V2 and Intel Xeon E3-1281V3. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Xeon E7-4820V2 vs. Intel Xeon E3-1281V3 Benchmark Chart
GENERAL Intel Xeon E7-4820V2 Intel Xeon E3-1281V3
Product Type Processor Processor
PROCESSOR Intel Xeon E7-4820V2 Intel Xeon E3-1281V3
Type Intel Xeon E7-4820V2 Intel Xeon E3-1281V3
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1150 Socket
Manufacturing Process 22 nm 22 nm
Thermal Design Power 105 W 82 W
PCI Express Revision 3.0 3.0
PCI Express Configurations X16, x4, x8 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty 32 16
Architecture Features Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology 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 GHz 3.7 GHz
Max Turbo Speed 2.5 GHz 4.1 GHz
CACHE MEMORY
Cache 16 MB 8 MB
Cache Memory Details 16 MB L3 - 8 MB
Installed Size 16 MB 8 MB
RAM
Installed RAM Size - 32 GB
EXPANSION & CONNECTIVITY Intel Xeon E7-4820V2 Intel Xeon E3-1281V3
Expansion Slots 24 (total) / 24 (free) x memory - DIMM 240-pin -
Compatible Slots - 1 x processor - LGA1150 Socket
MISCELLANEOUS Intel Xeon E7-4820V2 Intel Xeon E3-1281V3
Included Accessories Passive heatsink -
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year -
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