Intel Xeon E5-4603 vs. Intel Xeon E7520

CPU Comparison, Reviews and Tests
Intel Xeon E5-4603
Intel Xeon E7520

Side by side comparison and review of Intel Xeon E5-4603 and Intel Xeon E7520. 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 E5-4603 vs. Intel Xeon E7520 Benchmark Chart
GENERAL Intel Xeon E5-4603 Intel Xeon E7520
Product Type Processor Processor
Packaged Quantity 2 (specifications are for single item) -
PROCESSOR Intel Xeon E5-4603 Intel Xeon E7520
Type Intel Xeon E5-4603 Intel Xeon E7520
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1567 Socket
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 45 nm
Thermal Design Power 95 W 95 W
Thermal Specification - 70 °C
PCI Express Revision 3.0 -
PCI Express Lanes Qty 40 -
Architecture Features SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0 Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 8 threads
Clock Speed (Frequency) 2 GHz 1.87 GHz
Bus Speed 1066 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 10 MB 18 MB
Cache Memory Details Smart Cache - 10 MB L3 - 18 MB
Installed Size 10 MB 18 MB
EXPANSION & CONNECTIVITY Intel Xeon E5-4603 Intel Xeon E7520
Compatible Slots 1 x processor - LGA2011 Socket 2 x processor
MISCELLANEOUS Intel Xeon E5-4603 Intel Xeon E7520
Compliant Standards RoHS RoHS
Service & Support - Limited warranty - 3 years
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