Intel Xeon E5-1650 vs. Intel Xeon E3-1280

CPU Comparison, Reviews and Tests

Side by side comparison and review of Intel Xeon E5-1650 and Intel Xeon E3-1280. 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 E5-1650 vs. Intel Xeon E3-1280 Benchmark Chart
GENERAL Intel Xeon E5-1650 Intel Xeon E3-1280
Product Type Processor Processor
PROCESSOR Intel Xeon E5-1650 Intel Xeon E3-1280
Type Intel Xeon E5-1650 Intel Xeon E3-1280
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1155 Socket
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 32 nm
Thermal Design Power 130 W 95 W
Thermal Specification 64 °C 73.6 °C
PCI Express Revision 3.0 2.0
PCI Express Lanes Qty 40 20
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 Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel TSX-NI Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads 8 threads
Clock Speed (Frequency) 3.2 GHz 3.5 GHz
Max Turbo Speed 3.8 GHz 3.9 GHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 8 MB
Cache Memory Details Smart Cache - 12 MB L3 - 8 MB
L2 - 1 MB
Installed Size 12 MB 8 MB
EXPANSION & CONNECTIVITY Intel Xeon E5-1650 Intel Xeon E3-1280
Compatible Slots - 1 x processor
MISCELLANEOUS Intel Xeon E5-1650 Intel Xeon E3-1280
Included Accessories - Heat sink
Compliant Standards Lead-Free, halogen-free RoHS
Service & Support - Limited warranty - 3 years
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