Intel Pentium G640 vs. Intel Core 2 Quad Q8400

CPU Comparison, Reviews and Tests
Intel Pentium G640
Intel Core 2 Quad Q8400

In depth comparison and review of Intel Pentium G640 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 Pentium G640 vs. Intel Core 2 Quad Q8400 Benchmark Chart
GENERAL Intel Pentium G640 Intel Core 2 Quad Q8400
Product Type Processor Processor
PROCESSOR Intel Pentium G640 Intel Core 2 Quad Q8400
Type Intel Pentium G640 Intel Core 2 Quad Q8400
ARCHITECTURE
Processor Qty - 1
Compatible Processor Socket LGA1155 Socket LGA775 Socket
Manufacturing Process 32 nm 45 nm
Thermal Design Power 65 W 95 W
Thermal Specification 69.1 °C 71.4 °C
PCI Express Revision 2.0 -
Architecture Features Enhanced SpeedStep technology, integrated memory controller, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) 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 Dual-Core Quad-Core
Number of Threads 2 threads -
Clock Speed (Frequency) 2.8 GHz 2.66 GHz
Bus Speed - 1333 MHz
64-bit Computing - Yes
CACHE MEMORY
Cache 3 MB 4 MB
Cache Memory Details Smart Cache - 3 MB L2 - 4 MB
Installed Size 3 MB 4 MB
INTEGRATED GRAPHICS (GPU) Intel Pentium G640 Intel Core 2 Quad Q8400
Type Intel HD Graphics -
Base Frequency 850 MHz -
Max Dynamic Frequency 1.1 GHz -
Features Dual Display Capable, Intel FDI -
EXPANSION & CONNECTIVITY Intel Pentium G640 Intel Core 2 Quad Q8400
Compatible Slots - 1 x processor - LGA775 Socket
MISCELLANEOUS Intel Pentium G640 Intel Core 2 Quad Q8400
Compliant Standards Lead-Free, halogen-free -
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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