Intel Core 2 Quad Q8400 vs. Intel Core i7 2820QM (2nd Gen)

CPU Comparison, Reviews and Tests
Intel Core 2 Quad Q8400
Intel Core i7 2820QM (2nd Gen)

In depth comparison and review of Intel Core 2 Quad Q8400 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 2 Quad Q8400 vs. Intel Core i7 2820QM (2nd Gen) Benchmark Chart
GENERAL Intel Core 2 Quad Q8400 Intel Core i7 2820QM (2nd Gen)
Product Type Processor Processor (mobile)
PROCESSOR Intel Core 2 Quad Q8400 Intel Core i7 2820QM (2nd Gen)
Type Intel Core 2 Quad Q8400 Intel Core i7 2820QM (2nd Gen)
ARCHITECTURE
Processor Qty 1 1
Packaging Type - 988-pin Micro FCPGA
Compatible Processor Socket LGA775 Socket -
Manufacturing Process 45 nm 32 nm
Thermal Design Power 95 W 45 W
Thermal Specification 71.4 °C 100 °C
PCI Express Revision - 2.0
PCI Express Configurations - 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty - 16
Architecture Features Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 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
Clock Speed (Frequency) 2.66 GHz 2.3 GHz
Max Turbo Speed - 3.4 GHz
Bus Speed 1333 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 4 MB 8 MB
Cache Memory Details L2 - 4 MB L3 - 8 MB
Installed Size 4 MB 8 MB
EXPANSION & CONNECTIVITY Intel Core 2 Quad Q8400 Intel Core i7 2820QM (2nd Gen)
Compatible Slots 1 x processor - LGA775 Socket 1 x processor
MISCELLANEOUS Intel Core 2 Quad Q8400 Intel Core i7 2820QM (2nd Gen)
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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