Intel Xeon E5-4648 v3 vs Intel Xeon E5-2438L v3: comparison

Comparison of Intel Xeon E5-4648 v3 and Intel Xeon E5-2438L v3: key differences and a full specification table.

Key differences

Intel Xeon E5-4648 v3 has more cores (12 vs 10), more threads (24 vs 20), a higher maximum memory size (768 GB vs 384 GB) and more memory channels (4 vs 3).

At the same time, Intel Xeon E5-2438L v3 has a higher base clock (1.8 GHz vs 1.7 GHz) and a lower TDP (70 W vs 105 W).

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 E5-4648 v3Intel Xeon E5-2438L v3
Cores / threads 12 / 24 10 / 20
Max boost clock 2.2 GHz —
TDP 105 W 70 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 E5-4648 v3 Intel Xeon E5-2438L v3
General
Model E5-4648V3 E5-2438LV3
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 Q2 2015 Q1 2015
Status Launched Launched
Servicing status End of Servicing Updates End of Servicing Updates
End of servicing updates 12/31/2021 12/31/2021
Embedded options available Yes Yes
Use conditions Communications Commercial Temp Communications Commercial Temp
CPU
Cores 12 10
Threads 24 20
Multithreading (SMT/HT) Yes Yes
Base clock 1.7 GHz 1.8 GHz
Max boost clock 2.2 GHz —
Turbo Boost 2.0 frequency 2.2 GHz —
Cache (level unspecified) 30 MB 25 MB
Bus speed 8 GT/s 8 GT/s
TDP 105 W 70 W
Turbo Boost Yes (2) Yes (2)
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
Instruction set extensions AVX2 AVX
QPI links 2 1
Memory
Max memory size 768 GB 384 GB
Memory types DDR4 DDR3
Memory channels 4 3
Max memory bandwidth 68 GB/s 51.2 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 40 24
PCI Express configurations x4, x8, x16 x4, x8, x16
Scalability 4S 2S
Package and thermal
Sockets supported FCLGA2011-3 FCLGA1356
Max CPU configuration 4 2
Package size 52.5mm x 51mm 42.5mmx45mm
TCASE 87 °C 83 °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
AES-NI Yes Yes
Execute Disable Bit Yes Yes
Intel Trusted Execution Technology Yes Yes
Secure Key Yes Yes
Intel OS Guard Yes Yes
Technologies
Enhanced SpeedStep Yes Yes
Idle States Yes Yes
Thermal Monitoring Technologies Yes Yes
Identity Protection Technology — No
Transactional Synchronization Extensions No No
Flex Memory Access No No

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