Intel Xeon L5609 vs. Intel Xeon D-1521

CPU Comparison, Reviews and Tests
Intel Xeon L5609
Intel Xeon D-1521

Side by side comparison and review of Intel Xeon L5609 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 Xeon L5609 vs. Intel Xeon D-1521 Benchmark Chart
GENERAL Intel Xeon L5609 Intel Xeon D-1521
Product Type Processor Processor
PROCESSOR Intel Xeon L5609 Intel Xeon D-1521
Type Intel Xeon L5609 Intel Xeon D-1521
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket FCBGA1667 Socket
Power Efficiency Low-Voltage (LV) -
Core Voltage 0.8 V - 1.3 V -
Manufacturing Process 32 nm 14 nm
Thermal Design Power 40 W 45 W
PCI Express Revision - 2.0/3.0
PCI Express Configurations - X16, x4, x8
PCI Express Lanes Qty - 32
Architecture Features Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology 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 4 threads 8 threads
Clock Speed (Frequency) 1.86 GHz 2.4 GHz
Max Turbo Speed - 2.7 GHz
Bus Speed 800 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 12 MB 6 MB
Cache Memory Details L2 - 1 MB
L3 - 12 MB		 6 MB
Installed Size 12 MB -
EXPANSION & CONNECTIVITY Intel Xeon L5609 Intel Xeon D-1521
Compatible Slots 1 x processor -
MISCELLANEOUS Intel Xeon L5609 Intel Xeon D-1521
Included Accessories Heat sink -
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year - on-site -
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