Intel Xeon E5-4640 vs. Intel Xeon E3-1265LV3

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon E5-4640 and Intel Xeon E3-1265LV3. 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 E5-4640 vs. Intel Xeon E3-1265LV3 Benchmark Chart
GENERAL Intel Xeon E5-4640 Intel Xeon E3-1265LV3
Product Type Processor Processor
Packaged Quantity 2 (specifications are for single item) -
PROCESSOR Intel Xeon E5-4640 Intel Xeon E3-1265LV3
Type Intel Xeon E5-4640 Intel Xeon E3-1265LV3
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1150 Socket
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 22 nm
Thermal Design Power 95 W 45 W
PCI Express Revision 3.0 3.0
PCI Express Configurations - 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty 40 16
Architecture Features SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology 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 Turbo Boost Technology 2.0, Intel Anti-Theft Technology, 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
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 2.4 GHz 2.5 GHz
Max Turbo Speed 2.8 GHz 3.7 GHz
Bus Speed 1600 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 20 MB 8 MB
Cache Memory Details L3 - 16 MB Smart Cache - 8 MB
Installed Size 20 MB 8 MB
INTEGRATED GRAPHICS (GPU) Intel Xeon E5-4640 Intel Xeon E3-1265LV3
Type - Intel HD Graphics
Base Frequency - 350 MHz
Max Dynamic Frequency - 1.2 GHz
Features - Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Triple Display Capable
EXPANSION & CONNECTIVITY Intel Xeon E5-4640 Intel Xeon E3-1265LV3
Compatible Slots 1 x processor - LGA2011 Socket -
MISCELLANEOUS Intel Xeon E5-4640 Intel Xeon E3-1265LV3
Compliant Standards Halogen-free RoHS
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