Intel Core 2 Extreme QX9650 vs. Intel Core 2 Quad Q8400

CPU Comparison, Reviews and Tests
Intel Core 2 Extreme QX9650
Intel Core 2 Quad Q8400

In depth comparison and review of Intel Core 2 Extreme QX9650 and Intel Core 2 Quad Q8400. 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 Extreme QX9650 vs. Intel Core 2 Quad Q8400 Benchmark Chart
GENERAL Intel Core 2 Extreme QX9650 Intel Core 2 Quad Q8400
Product Type Processor Processor
PROCESSOR Intel Core 2 Extreme QX9650 Intel Core 2 Quad Q8400
Type Intel Core 2 Extreme QX9650 Intel Core 2 Quad Q8400
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA775 Socket LGA775 Socket
Manufacturing Process 45 nm 45 nm
Thermal Design Power 130 W 95 W
Thermal Specification 64.5 °C 71.4 °C
Architecture Features Enhanced SpeedStep technology, streaming SIMD extensions 2, streaming SIMD extensions 3, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Advanced Digital Media Boost, Intel Advanced Smart Cache, Intel Intelligent Power Capability, Intel Smart Memory Access, Intel Wide Dynamic Execution, supplemental streaming SIMD extensions 3, streaming SIMD extensions 4, Enhanced Halt State (C1E), Intel Thermal Monitor 2 Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 2
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Clock Speed (Frequency) 3 GHz 2.66 GHz
Bus Speed 1333 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 4 MB
Cache Memory Details L2 - 12 MB L2 - 4 MB
Installed Size 12 MB 4 MB
Type Advanced Smart Cache -
EXPANSION & CONNECTIVITY Intel Core 2 Extreme QX9650 Intel Core 2 Quad Q8400
Compatible Slots 1 x processor 1 x processor - LGA775 Socket
MISCELLANEOUS Intel Core 2 Extreme QX9650 Intel Core 2 Quad Q8400
Service & Support Limited warranty - 90 days Limited warranty - 3 years
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