Intel Xeon E5-4603 vs. Intel Xeon E3-1220

CPU Comparison, Reviews and Tests
Intel Xeon E5-4603
Intel Xeon E3-1220

In depth comparison and review of Intel Xeon E5-4603 and Intel Xeon E3-1220. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

Intel Xeon E5-4603 vs. Intel Xeon E3-1220 Benchmark Chart
GENERAL Intel Xeon E5-4603 Intel Xeon E3-1220
Product Type Processor Processor
Packaged Quantity 2 (specifications are for single item) -
PROCESSOR Intel Xeon E5-4603 Intel Xeon E3-1220
Type Intel Xeon E5-4603 Intel Xeon E3-1220
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1155 Socket
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 32 nm
Thermal Design Power 95 W 80 W
Thermal Specification - 69.1 °C
PCI Express Revision 3.0 2.0
PCI Express Lanes Qty 40 20
Architecture Features SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0 Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 4 threads
Clock Speed (Frequency) 2 GHz 3.1 GHz
Max Turbo Speed - 3.4 GHz
Bus Speed 1066 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 10 MB 8 MB
Cache Level 1 Size - 256 KB
Cache Memory Details Smart Cache - 10 MB Smart Cache - 8 MB
Installed Size 10 MB 8 MB
EXPANSION & CONNECTIVITY Intel Xeon E5-4603 Intel Xeon E3-1220
Compatible Slots 1 x processor - LGA2011 Socket 1 x processor - LGA1155 Socket
MISCELLANEOUS Intel Xeon E5-4603 Intel Xeon E3-1220
Included Accessories - Heat sink
Compliant Standards RoHS RoHS
Service & Support - Limited warranty - 3 years
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