Intel Core i7 840QM vs. Intel Core i7 2820QM (2nd Gen)

CPU Comparison, Reviews and Tests
Intel Core i7 840QM
Intel Core i7 2820QM (2nd Gen)

In depth comparison and review of Intel Core i7 840QM and Intel Core i7 2820QM (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 i7 2820QM (2nd Gen) Benchmark Chart
GENERAL Intel Core i7 840QM Intel Core i7 2820QM (2nd Gen)
Product Type Processor (mobile) Processor (mobile)
PROCESSOR Intel Core i7 840QM Intel Core i7 2820QM (2nd Gen)
Type Intel Core i7 840QM Intel Core i7 2820QM (2nd Gen)
ARCHITECTURE
Processor Qty 1 1
Packaging Type 988-pin Micro FCPGA 988-pin Micro FCPGA
Manufacturing Process 45 nm 32 nm
Thermal Design Power 45 W 45 W
Thermal Specification 100 °C 100 °C
PCI Express Revision 2.0 2.0
PCI Express Configurations 1x16, 2x8 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, Enhanced Halt State (C1E), streaming SIMD extensions 4.2 Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 8 threads
Clock Speed (Frequency) 1.86 GHz 2.3 GHz
Max Turbo Speed 3.2 GHz 3.4 GHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 8 MB
Cache Memory Details L3 - 8 MB L3 - 8 MB
Installed Size 8 MB 8 MB
EXPANSION & CONNECTIVITY Intel Core i7 840QM Intel Core i7 2820QM (2nd Gen)
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Core i7 840QM Intel Core i7 2820QM (2nd Gen)
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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