Intel Xeon E3-1275V2 vs. Intel Xeon E7-4820

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon E3-1275V2 and Intel Xeon E7-4820. 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 E3-1275V2 vs. Intel Xeon E7-4820 Benchmark Chart
GENERAL Intel Xeon E3-1275V2 Intel Xeon E7-4820
Product Type Processor Processor
PROCESSOR Intel Xeon E3-1275V2 Intel Xeon E7-4820
Type Intel Xeon E3-1275V2 Intel Xeon E7-4820
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1155 Socket LGA1567 Socket
Manufacturing Process 22 nm 32 nm
Thermal Design Power 69 W 105 W
Thermal Specification - 64 °C
PCI Express Revision 3.0 -
PCI Express Configurations 1x16+1x4, 1x8+3x4, 2x8+1x4 -
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT) Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores Quad-Core 8-core
Number of Threads 8 threads 16 threads
Clock Speed (Frequency) 3.5 GHz 2 GHz
Max Turbo Speed 3.9 GHz 2.27 GHz
Bus Speed - 2933 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 18 MB
Cache Memory Details Smart Cache - 8 MB L3 - 18 MB
L2 - 8 x 256 KB
Installed Size 8 MB 18 MB
INTEGRATED GRAPHICS (GPU) Intel Xeon E3-1275V2 Intel Xeon E7-4820
Type Intel HD Graphics P4000 -
Base Frequency 650 MHz -
Max Dynamic Frequency 1.25 GHz -
Features Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video -
EXPANSION & CONNECTIVITY Intel Xeon E3-1275V2 Intel Xeon E7-4820
Compatible Slots - 2 x processor - LGA1567 Socket
MISCELLANEOUS Intel Xeon E3-1275V2 Intel Xeon E7-4820
Included Accessories - Heat sink
Compliant Standards - RoHS
Service & Support Limited warranty - 3 years Limited warranty - 1 year
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