Intel Xeon L5618 vs Intel Xeon L5638: comparison

Comparison of Intel Xeon L5618 and Intel Xeon L5638: key differences and a full specification table.

Key differences

Intel Xeon L5618 has a lower TDP (40 W vs 60 W).

At the same time, Intel Xeon L5638 has more cores (6 vs 4), more threads (12 vs 8), a higher base clock (2 GHz vs 1.87 GHz) and a higher maximum clock (2.4 GHz vs 2.26 GHz).

Both processors match on: process node (32 nm).

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 L5618Intel Xeon L5638
Cores / threads 4 / 8 6 / 12
Max boost clock 2.26 GHz 2.4 GHz
TDP 40 W 60 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 L5618 Intel Xeon L5638
General
Model L5618 L5638
Codename Westmere EP Westmere EP
Segment Server Server
Product line Устаревшие процессоры Intel Xeon Устаревшие процессоры Intel Xeon
Process 32 nm 32 nm
Launch date Q1 2010 Q1 2010
Status Discontinued Discontinued
Servicing status End of Servicing Lifetime End of Servicing Lifetime
Embedded options available Yes Yes
Use conditions Communications Communications
CPU
Cores 4 6
Threads 8 12
Multithreading (SMT/HT) Yes Yes
Base clock 1.87 GHz 2 GHz
Max boost clock 2.26 GHz 2.4 GHz
Cache (level unspecified) 12 MB 12 MB
Bus speed 5.86 GT/s 5.86 GT/s
TDP 40 W 60 W
Turbo Boost Yes (1) Yes (1)
64-bit support Yes Yes
QPI links — 2
Package and thermal
Sockets supported FCLGA1366 FCLGA1366
TCASE 87 °C 85 °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
Intel Trusted Execution Technology Yes Yes
Technologies
Idle States Yes Yes

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