Intel Core 2 Extreme QX9650 vs. Intel Xeon D-1521

CPU Comparison, Reviews and Tests
Intel Core 2 Extreme QX9650
Intel Xeon D-1521

Side by side comparison and review of Intel Core 2 Extreme QX9650 and Intel Xeon D-1521. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Core 2 Extreme QX9650 vs. Intel Xeon D-1521 Benchmark Chart
GENERAL Intel Core 2 Extreme QX9650 Intel Xeon D-1521
Product Type Processor Processor
PROCESSOR Intel Core 2 Extreme QX9650 Intel Xeon D-1521
Type Intel Core 2 Extreme QX9650 Intel Xeon D-1521
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA775 Socket FCBGA1667 Socket
Manufacturing Process 45 nm 14 nm
Thermal Design Power 130 W 45 W
Thermal Specification 64.5 °C -
PCI Express Revision - 2.0/3.0
PCI Express Configurations - X16, x4, x8
PCI Express Lanes Qty - 32
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, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel OS Guard
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads - 8 threads
Clock Speed (Frequency) 3 GHz 2.4 GHz
Max Turbo Speed - 2.7 GHz
Bus Speed 1333 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 12 MB 6 MB
Cache Memory Details L2 - 12 MB 6 MB
Installed Size 12 MB -
Type Advanced Smart Cache -
EXPANSION & CONNECTIVITY Intel Core 2 Extreme QX9650 Intel Xeon D-1521
Compatible Slots 1 x processor -
MISCELLANEOUS Intel Core 2 Extreme QX9650 Intel Xeon D-1521
Service & Support Limited warranty - 90 days -
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