Intel Xeon E5-2640 vs. Intel Core 2 Extreme QX9650

CPU Comparison, Reviews and Tests
Intel Xeon E5-2640
Intel Core 2 Extreme QX9650

Detailed comparison and review of Intel Xeon E5-2640 and Intel Core 2 Extreme QX9650. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.

CPUs Specifications Comparison

Intel Xeon E5-2640 vs. Intel Core 2 Extreme QX9650 Benchmark Chart
GENERAL Intel Xeon E5-2640 Intel Core 2 Extreme QX9650
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2640 Intel Core 2 Extreme QX9650
Type Intel Xeon E5-2640 Intel Core 2 Extreme QX9650
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA775 Socket
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 45 nm
Thermal Design Power 95 W 130 W
Thermal Specification 73 °C 64.5 °C
PCI Express Revision 3.0 -
PCI Express Lanes Qty 40 -
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel 64 Technology, Intel Trusted Execution Technology, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States 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
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads -
Clock Speed (Frequency) 2.5 GHz 3 GHz
Max Turbo Speed 3 GHz -
Bus Speed 1333 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 15 MB 12 MB
Cache Memory Details Smart Cache - 15 MB L2 - 12 MB
Installed Size 15 MB 12 MB
Type - Advanced Smart Cache
EXPANSION & CONNECTIVITY Intel Xeon E5-2640 Intel Core 2 Extreme QX9650
Compatible Slots 1 x processor - LGA2011 Socket 1 x processor
MISCELLANEOUS Intel Xeon E5-2640 Intel Core 2 Extreme QX9650
Included Accessories Cooler (fansink) -
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year - on-site Limited warranty - 90 days
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