Intel Core i7 840QM vs. Intel Xeon X5647

CPU Comparison, Reviews and Tests
Intel Core i7 840QM
Intel Xeon X5647

In depth comparison and review of Intel Core i7 840QM and Intel Xeon X5647. 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 Core i7 840QM vs. Intel Xeon X5647 Benchmark Chart
GENERAL Intel Core i7 840QM Intel Xeon X5647
Product Type Processor (mobile) Processor
PROCESSOR Intel Core i7 840QM Intel Xeon X5647
Type Intel Core i7 840QM Intel Xeon X5647
ARCHITECTURE
Processor Qty 1 1
Packaging Type 988-pin Micro FCPGA -
Compatible Processor Socket - LGA1366 Socket
Manufacturing Process 45 nm 32 nm
Thermal Design Power 45 W 130 W
Thermal Specification 100 °C 80.4 °C
PCI Express Revision 2.0 -
PCI Express Configurations 1x16, 2x8 -
PCI Express Lanes Qty 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, Enhanced Halt State (C1E), streaming SIMD extensions 4.2 Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 8 threads
Clock Speed (Frequency) 1.86 GHz 2.93 GHz
Max Turbo Speed 3.2 GHz 3.2 GHz
Bus Speed - 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 12 MB
Cache Memory Details L3 - 8 MB L2 - 6 x 256 KB
Installed Size 8 MB 12 MB
EXPANSION & CONNECTIVITY Intel Core i7 840QM Intel Xeon X5647
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Core i7 840QM Intel Xeon X5647
Compliant Standards - RoHS
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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