Intel Xeon E7-4820 vs. Intel Xeon W3520

CPU Comparison, Reviews and Tests
Intel Xeon E7-4820
Intel Xeon W3520

Side by side comparison and review of Intel Xeon E7-4820 and Intel Xeon W3520. 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 E7-4820 vs. Intel Xeon W3520 Benchmark Chart
GENERAL Intel Xeon E7-4820 Intel Xeon W3520
Product Type Processor Processor
PROCESSOR Intel Xeon E7-4820 Intel Xeon W3520
Type Intel Xeon E7-4820 Intel Xeon W3520
ARCHITECTURE
Processor Qty 1 1
Packaging Type - FC-LGA8
Compatible Processor Socket LGA1567 Socket LGA1366 Socket
Manufacturing Process 32 nm 45 nm
Thermal Design Power 105 W 130 W
Thermal Specification 64 °C 67.9 °C
Architecture Features Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology Enhanced SpeedStep technology, streaming SIMD extensions 2, Hyper-Threading Technology, integrated memory controller, streaming SIMD extensions 3, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel I/O Acceleration Technology, streaming SIMD extensions 4
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 2 GHz 2.66 GHz
Max Turbo Speed 2.27 GHz 2.93 GHz
Bus Speed 2933 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 18 MB 8 MB
Cache Memory Details L3 - 18 MB
L2 - 8 x 256 KB		 L3 - 8 MB
Installed Size 18 MB 8 MB
Type - Advanced Smart Cache
RAM
Technology - - ECC
EXPANSION & CONNECTIVITY Intel Xeon E7-4820 Intel Xeon W3520
Interfaces - - GT5
Compatible Slots 2 x processor - LGA1567 Socket 1 x processor
MISCELLANEOUS Intel Xeon E7-4820 Intel Xeon W3520
Included Accessories Heat sink -
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year Limited warranty - 90 days
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