Intel Xeon E 2378G vs Intel Xeon E5 2666 v3

VS

Intel Xeon E-2378G

Intel Xeon E5-2666 v3

We compared two server CPUs: Intel Xeon E 2378G with 8 cores 2.8GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E 2378G 's Advantages

Released 6 years and 10 months late

Higher specification of memory (3200 vs 2133)

Newer PCIe version (4 vs 3)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (80W vs 135W)

Intel Xeon E5 2666 v3 's Advantages

Higher base frequency (2.9GHz vs 2.8GHz)

Larger L3 cache size (25MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E 2378G +128%

2391

Intel Xeon E5 2666 v3

1046

Geekbench 6 Multi Core

Intel Xeon E 2378G +69%

10433

Intel Xeon E5 2666 v3

6173

Blender

Intel Xeon E 2378G +23%

184

Intel Xeon E5 2666 v3

149

Intel Xeon E 2378G

VS

Intel Xeon E5 2666 v3

General Parameters

Sep 2021

Release Date

Nov 2014

Intel

Manufacturer

Intel

Server

Type

Server

Rocket Lake-E

Core Architecture

Haswell-EP

Intel Socket 1200

Socket

Intel Socket 2011-3

UHD Graphics P750

Integrated Graphics

N/A

Xeon (Rocket Lake-E)

Generation

Xeon E5 (Haswell-EP)

Package

-

Transistor Count

2.6 billions

14 nm

Manufacturing Process

22 nm

80 W

Power Consumption

135 W

Intel

Foundry

Intel

276 mm²

Die Size

356 mm²

CPU Performance

2.8 GHz

Performance Core Base Frequency

2.9 GHz

5.1 GHz

Performance Core Turbo Frequency

3.5 GHz

8

Total Core Count

10

16

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

28.0

Multiplier

29.0

80 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

16 MB shared

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-2133,DDR3-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

20

PCIe Lanes

40

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