Intel Core i7 840QM vs. Intel Core i5 2500 (2nd Gen)

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core i7 840QM and Intel Core i5 2500 (2nd Gen). 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 Core i5 2500 (2nd Gen) Benchmark Chart
GENERAL Intel Core i7 840QM Intel Core i5 2500 (2nd Gen)
Product Type Processor (mobile) Processor
PROCESSOR Intel Core i7 840QM Intel Core i5 2500 (2nd Gen)
Type Intel Core i7 840QM Intel Core i5 2500 (2nd Gen)
ARCHITECTURE
Processor Qty 1 1
Packaging Type 988-pin Micro FCPGA -
Compatible Processor Socket - LGA1155 Socket
Manufacturing Process 45 nm 32 nm
Thermal Design Power 45 W 95 W
Thermal Specification 100 °C 72.6 °C
PCI Express Revision 2.0 2.0
PCI Express Configurations 1x16, 2x8 -
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, Enhanced Halt State (C1E), streaming SIMD extensions 4.2 Enhanced SpeedStep technology, integrated memory controller, 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 Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 4 threads
Clock Speed (Frequency) 1.86 GHz 3.3 GHz
Max Turbo Speed 3.2 GHz 3.7 GHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 6 MB
Cache Memory Details L3 - 8 MB L3 - 6 MB
Installed Size 8 MB 6 MB
INTEGRATED GRAPHICS (GPU) Intel Core i7 840QM Intel Core i5 2500 (2nd Gen)
Type - Intel HD Graphics 2000
Base Frequency - 850 MHz
Max Dynamic Frequency - 1.1 GHz
Features - Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Insider
EXPANSION & CONNECTIVITY Intel Core i7 840QM Intel Core i5 2500 (2nd Gen)
Compatible Slots 1 x processor 1 x processor - LGA1155 Socket
MISCELLANEOUS Intel Core i7 840QM Intel Core i5 2500 (2nd Gen)
Included Accessories - Heat sink
Compliant Standards - Halogen-free
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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