Intel Xeon E5-2620 vs Intel Xeon E5-2640: comparison

Comparison of Intel Xeon E5-2620 and Intel Xeon E5-2640: key differences and a full specification table.

Key differences

Intel Xeon E5-2640 has a higher base clock (2.5 GHz vs 2 GHz) and a higher maximum clock (3 GHz vs 2.5 GHz).

Both processors match on: core count (6), thread count (12), L3 cache (15 MB), TDP (95 W), process node (32 nm), maximum memory size (384 GB), memory channels (4), PCIe version (3).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterIntel Xeon E5-2620Intel Xeon E5-2640
Cores / threads 6 / 12 6 / 12
Max boost clock 2.5 GHz 3 GHz
L3 cache 15 MB 15 MB
TDP 95 W 95 W
Process 32 nm 32 nm

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter Intel Xeon E5-2620 Intel Xeon E5-2640
General
Model E5-2620 E5-2640
Codename Sandy Bridge EP Sandy Bridge EP
Segment Server Server
Product line Семейство процессоров Intel Xeon E5 Семейство процессоров Intel Xeon E5
Process 32 nm 32 nm
Launch date Q1 2012 Q1 2012
Status Discontinued Discontinued
Expected discontinuance — Q2 2015
Servicing status End of Servicing Lifetime End of Servicing Lifetime
End of servicing updates 06/30/2020 06/30/2020
Embedded options available Yes No
Use conditions Server/Enterprise —
CPU
Cores 6 6
Threads 12 12
Multithreading (SMT/HT) Yes Yes
Base clock 2 GHz 2.5 GHz
Max boost clock 2.5 GHz 3 GHz
L3 cache 15 MB 15 MB
Bus speed 7.2 GT/s 7.2 GT/s
TDP 95 W 95 W
Turbo Boost Yes (1) Yes (1)
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
Instruction set extensions AVX AVX
QPI links 2 2
Memory
Max memory size 384 GB 384 GB
Memory types DDR3 DDR3
Memory channels 4 4
Max memory bandwidth 42.6 GB/s 42.6 GB/s
ECC memory supported Yes Yes
I/O and interfaces
PCI Express revision 3 3
PCI Express lanes 40 40
Scalability 2S Only 2S Only
Package and thermal
Sockets supported FCLGA2011 FCLGA2011
Max CPU configuration 2 2
Package size 52.5mm x 45.0mm 52.5mm x 45.0mm
TCASE 77.4 °C 73 °C
Security and virtualization
Virtualization (VT-x / AMD-V) Yes Yes
Virtualization for Directed I/O (VT-d) Yes Yes
Extended Page Tables (EPT) Yes Yes
AES-NI Yes Yes
Execute Disable Bit Yes Yes
Intel Trusted Execution Technology Yes Yes
vPro Eligibility Intel vPro Platform Intel vPro Platform
Technologies
Enhanced SpeedStep Yes Yes
Idle States Yes Yes
Thermal Monitoring Technologies Yes Yes
Identity Protection Technology No No
Flex Memory Access No No

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