Intel Pentium G645 vs. Intel Xeon E5603

CPU Comparison, Reviews and Tests
Intel Pentium G645
Intel Xeon E5603

In depth comparison and review of Intel Pentium G645 and Intel Xeon E5603. 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 Pentium G645 vs. Intel Xeon E5603 Benchmark Chart
GENERAL Intel Pentium G645 Intel Xeon E5603
Product Type Processor Processor
PROCESSOR Intel Pentium G645 Intel Xeon E5603
Type Intel Pentium G645 Intel Xeon E5603
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1155 Socket LGA1366 Socket
Manufacturing Process 32 nm 32 nm
Thermal Design Power 65 W 80 W
Thermal Specification 69.1 °C -
PCI Express Revision 2.0 -
Architecture Features 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) Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores Dual-Core Quad-Core
Number of Threads 2 threads 4 threads
Clock Speed (Frequency) 2.9 GHz 1.6 GHz
64-bit Computing - Yes
CACHE MEMORY
Cache 3 MB 4 MB
Cache Memory Details L3 - 3 MB Smart Cache - 4 MB
Installed Size 3 MB 4 MB
INTEGRATED GRAPHICS (GPU) Intel Pentium G645 Intel Xeon E5603
Type Intel HD Graphics with Dynamic Frequency -
Base Frequency 850 MHz -
Max Dynamic Frequency 1.1 GHz -
Features Dual Display Capable, Intel FDI -
EXPANSION & CONNECTIVITY Intel Pentium G645 Intel Xeon E5603
Compatible Slots - 1 x processor
MISCELLANEOUS Intel Pentium G645 Intel Xeon E5603
Included Accessories - Heat sink
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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