Intel Xeon E5-2643V3 vs. Intel Xeon E3-1585LV5

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Xeon E5-2643V3 and Intel Xeon E3-1585LV5. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.

CPUs Specifications Comparison

Intel Xeon E5-2643V3 vs. Intel Xeon E3-1585LV5 Benchmark Chart
GENERAL Intel Xeon E5-2643V3 Intel Xeon E3-1585LV5
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2643V3 Intel Xeon E3-1585LV5
Type Intel Xeon E5-2643V3 Intel Xeon E3-1585LV5
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011-v3 Socket LGA1440 Socket
Core Voltage 0.65 V - 1.30 V -
Manufacturing Process 22 nm 14 nm
Thermal Design Power 135 W 45 W
Thermal Specification 77 °C -
PCI Express Revision 3.0 3.0
PCI Express Configurations X16, x4, x8 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty 40 16
Architecture Features Integrated memory controller Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, 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 Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel Stable Image Platform Program (SIPP), Intel OS Guard, Intel Smart Response Technology, Intel Small Business Advantage, Intel Software Guard Extensions (SGX), Intel Memory Protection Extensions (MPX)
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads 8 threads
Clock Speed (Frequency) 3.4 GHz 3 GHz
Max Turbo Speed 3.7 GHz 3.7 GHz
Bus Speed 4800 MHz -
CACHE MEMORY
Cache 20 MB 8 MB
Cache Memory Details 20 MB 8 MB
Installed Size 20 MB -
INTEGRATED GRAPHICS (GPU) Intel Xeon E5-2643V3 Intel Xeon E3-1585LV5
Type - Intel Iris Pro Graphics P580
Base Frequency - 350 MHz
Max Dynamic Frequency - 1.15 GHz
Max Supported Memory Size - 64 GB
Features - Intel FDI, Intel Clear Video HD Technology, Intel Quick Sync Video, Triple Display Capable
MISCELLANEOUS Intel Xeon E5-2643V3 Intel Xeon E3-1585LV5
Included Accessories Additional fan -
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year -
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