Intel Core i7 640M vs. Intel Xeon E3-1281V3

CPU Comparison, Reviews and Tests

Side by side comparison and review of Intel Core i7 640M 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 Core i7 640M vs. Intel Xeon E3-1281V3 Benchmark Chart
GENERAL Intel Core i7 640M Intel Xeon E3-1281V3
Product Type Processor (mobile) Processor
PROCESSOR Intel Core i7 640M Intel Xeon E3-1281V3
Type Intel Core i7 640M Intel Xeon E3-1281V3
ARCHITECTURE
Processor Qty 1 1
Packaging Type 1288-ball BGA -
Compatible Processor Socket PGA988 Socket LGA1150 Socket
Manufacturing Process 32 nm 22 nm
Thermal Design Power 35 W 82 W
PCI Express Revision 2.0 3.0
PCI Express Configurations 1x16 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty 16 16
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology
PERFORMANCE
Number of Cores Dual-Core Quad-Core
Number of Threads 4 threads 8 threads
Clock Speed (Frequency) 2.8 GHz 3.7 GHz
Max Turbo Speed 3.46 GHz 4.1 GHz
Bus Speed 667 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 4 MB 8 MB
Cache Memory Details L3 - 4 MB L3 - 8 MB
Installed Size 4 MB 8 MB
RAM
Installed RAM Size - 32 GB
INTEGRATED GRAPHICS (GPU) Intel Core i7 640M Intel Xeon E3-1281V3
Type Intel HD Graphics with Dynamic Frequency -
Base Frequency 500 MHz -
Max Dynamic Frequency 766 MHz -
Features Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology -
EXPANSION & CONNECTIVITY Intel Core i7 640M Intel Xeon E3-1281V3
Compatible Slots 1 x processor 1 x processor - LGA1150 Socket
MISCELLANEOUS Intel Core i7 640M Intel Xeon E3-1281V3
Compliant Standards - RoHS
Service & Support Limited warranty - 3 years -
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