Intel Xeon E5-1428L v3 vs Intel Xeon E5-2648L v3: comparison

Comparison of Intel Xeon E5-1428L v3 and Intel Xeon E5-2648L v3: key differences and a full specification table.

Key differences

Intel Xeon E5-1428L v3 has a higher base clock (2 GHz vs 1.8 GHz) and a lower TDP (65 W vs 75 W).

At the same time, Intel Xeon E5-2648L v3 has more cores (12 vs 8), more threads (24 vs 16), a higher maximum memory size (768 GB vs 384 GB) and more memory channels (4 vs 3).

Both processors match on: process node (22 nm), 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 E5-1428L v3Intel Xeon E5-2648L v3
Cores / threads 8 / 16 12 / 24
Max boost clock — 2.5 GHz
L3 cache — 30 MB
TDP 65 W 75 W
Process 22 nm 22 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 E5-1428L v3 Intel Xeon E5-2648L v3
General
Model E5-1428LV3 E5-2648LV3
Codename Haswell Haswell
Segment Embedded Embedded
Product line Семейство процессоров Intel Xeon E5 v3 Семейство процессоров Intel Xeon E5 v3
Process 22 nm 22 nm
Launch date Q1 2015 Q3 2014
Status Launched Discontinued
Servicing status End of Servicing Updates End of Servicing Updates
End of servicing updates 12/31/2021 12/31/2021
Embedded options available No Yes
Use conditions — Communications Commercial Temp
CPU
Cores 8 12
Threads 16 24
Multithreading (SMT/HT) Yes Yes
Base clock 2 GHz 1.8 GHz
Max boost clock — 2.5 GHz
Turbo Boost 2.0 frequency — 2.5 GHz
L3 cache — 30 MB
Cache (level unspecified) 20 MB —
Bus speed 0 GT/s 9.6 GT/s
TDP 65 W 75 W
Turbo Boost Yes (2) Yes (2)
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
Instruction set extensions AVX AVX2
QPI links 0 2
Memory
Max memory size 384 GB 768 GB
Memory types DDR3 DDR4
Memory channels 3 4
Max memory bandwidth 51.2 GB/s 68 GB/s
ECC memory supported Yes Yes
Physical address extensions 46-bit 46-bit
I/O and interfaces
PCI Express revision 3 3
PCI Express lanes 24 40
PCI Express configurations x4, x8, x16 x4, x8, x16
Scalability 1S Only 2S
Package and thermal
Sockets supported FCLGA1356 FCLGA2011-3
Max CPU configuration 1 2
Package size 42.5mmx45mm 52.5mm x 45mm
TCASE 86 °C 87.025 °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
Secure Key Yes Yes
Intel OS Guard Yes Yes
vPro Eligibility — Intel vPro Platform
Technologies
Enhanced SpeedStep Yes Yes
Idle States Yes Yes
Thermal Monitoring Technologies Yes Yes
Identity Protection Technology No No
Transactional Synchronization Extensions No No
Flex Memory Access No No

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