Intel Xeon E7-4820 vs. Intel Xeon E5540

CPU Comparison, Reviews and Tests
Intel Xeon E7-4820
Intel Xeon E5540

Side by side comparison and review of Intel Xeon E7-4820 and Intel Xeon E5540. 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 E5540 Benchmark Chart
GENERAL Intel Xeon E7-4820 Intel Xeon E5540
Product Type Processor Processor
PROCESSOR Intel Xeon E7-4820 Intel Xeon E5540
Type Intel Xeon E7-4820 Intel Xeon E5540
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1567 Socket LGA1366 Socket
Core Voltage - 0.75 V - 1.35 V
Manufacturing Process 32 nm 45 nm
Thermal Design Power 105 W 80 W
Thermal Specification 64 °C 76 °C
Architecture Features Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Dynamic Acceleration
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 2 GHz 2.53 GHz
Max Turbo Speed 2.27 GHz 2.8 GHz
Bus Speed 2933 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 18 MB 8 MB
Cache Level 1 Size - 256 KB
Cache Memory Details L3 - 18 MB
L2 - 8 x 256 KB		 L2 - SLC NAND Flash - 8 MB
Installed Size 18 MB 8 MB
Type - SLC NAND Flash
RAM
Technology - DDR3 SDRAM - 1066 MHz
EXPANSION & CONNECTIVITY Intel Xeon E7-4820 Intel Xeon E5540
Compatible Slots 2 x processor - LGA1567 Socket 1 x processor
MISCELLANEOUS Intel Xeon E7-4820 Intel Xeon E5540
Included Accessories Heat sink Heat sink, voltage regulator module
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year Limited warranty - 1 year - on-site
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