Intel Xeon Platinum 8458P vs Xeon E 2146G

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We compared two server CPUs: Intel Xeon Platinum 8458P with 44 cores 2.7GHz and Xeon E 2146G with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Platinum 8458P 's Advantages

Released 4 years and 6 months late

Higher specification of memory (DDR5-4800 vs DDR4-2666)

Newer PCIe version (5 vs 3)

Larger L3 cache size (82.5MB vs 12MB)

More modern manufacturing process (10nm vs 14nm)

Xeon E 2146G 's Advantages

Higher base frequency (3.5GHz vs 2.7GHz)

Lower TDP (80W vs 350W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Platinum 8458P +12%

1764

Xeon E 2146G

1573

Geekbench 6 Multi Core

Intel Xeon Platinum 8458P +546%

17458

Xeon E 2146G

2702

Intel Xeon Platinum 8458P

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Xeon E 2146G

General Parameters

Jan 2023

Release Date

Jul 2018

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Coffee Lake-S WS

Intel Socket 4677

Socket

Intel Socket 1151

N/A

Integrated Graphics

HD Graphics P630

Xeon Platinum (Sapphire Rapids-SP)

Generation

Xeon E (Coffee Lake)

Package

10 nm

Manufacturing Process

14 nm

Intel Socket 4677

Socket

Intel Socket 1151

350 W

Power Consumption

80 W

78 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

4x477 mm²

Die Size

154 mm²

FC-LGA16A

Package

FC-LGA14C

CPU Performance

2.7 GHz

Performance Core Base Frequency

3.5 GHz

3.8 GHz

Performance Core Turbo Frequency

4.5 GHz

44

Total Core Count

6

88

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

27.0

Multiplier

35.0

80 K per core

L1 Cache

64 KB per core

2 MB per core

L2 Cache

256 KB per core

82.5 MB

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

1

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4800

Memory Types

DDR4-2666

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

80

PCIe Lanes

16

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