Intel Xeon E3-1275V2 vs. Intel Pentium G640

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon E3-1275V2 and Intel Pentium G640. 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 E3-1275V2 vs. Intel Pentium G640 Benchmark Chart
GENERAL Intel Xeon E3-1275V2 Intel Pentium G640
Product Type Processor Processor
PROCESSOR Intel Xeon E3-1275V2 Intel Pentium G640
Type Intel Xeon E3-1275V2 Intel Pentium G640
ARCHITECTURE
Processor Qty 1 -
Compatible Processor Socket LGA1155 Socket LGA1155 Socket
Manufacturing Process 22 nm 32 nm
Thermal Design Power 69 W 65 W
Thermal Specification - 69.1 °C
PCI Express Revision 3.0 2.0
PCI Express Configurations 1x16+1x4, 1x8+3x4, 2x8+1x4 -
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 Fast Memory Access, 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) Enhanced SpeedStep technology, integrated memory controller, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT)
PERFORMANCE
Number of Cores Quad-Core Dual-Core
Number of Threads 8 threads 2 threads
Clock Speed (Frequency) 3.5 GHz 2.8 GHz
Max Turbo Speed 3.9 GHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 8 MB 3 MB
Cache Memory Details Smart Cache - 8 MB Smart Cache - 3 MB
Installed Size 8 MB 3 MB
INTEGRATED GRAPHICS (GPU) Intel Xeon E3-1275V2 Intel Pentium G640
Type Intel HD Graphics P4000 Intel HD Graphics
Base Frequency 650 MHz 850 MHz
Max Dynamic Frequency 1.25 GHz 1.1 GHz
Features Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video Dual Display Capable, Intel FDI
MISCELLANEOUS Intel Xeon E3-1275V2 Intel Pentium G640
Compliant Standards - Lead-Free, halogen-free
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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