Intel Xeon E3 1275 v2 vs Xeon w7 3445

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Intel Xeon E3-1275 v2

Intel Xeon w7-3445

We compared two server CPUs: Intel Xeon E3 1275 v2 with 4 cores 3.5GHz and Xeon w7 3445 with 20 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v2 's Advantages

Higher base frequency (3.5GHz vs 2.5GHz)

Lower TDP (77W vs 270W)

Xeon w7 3445 's Advantages

Released 10 years and 9 months late

Higher specification of memory (4800 vs 3)

Newer PCIe version (5 vs 3)

Larger L3 cache size (52.5MB vs 8MB)

More modern manufacturing process (10nm vs 22nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 v2

624

Xeon w7 3445 +191%

1821

Geekbench 6 Multi Core

Intel Xeon E3 1275 v2

2088

Xeon w7 3445 +536%

13287

Intel Xeon E3 1275 v2

VS

Xeon w7 3445

General Parameters

May 2012

Release Date

Feb 2023

Intel

Manufacturer

Intel

Server

Type

Server

Ivy Bridge

Core Architecture

Sapphire Rapids

Intel Socket 1155

Socket

Intel Socket 4677

Intel HD P4000

Integrated Graphics

N/A

Xeon E3 (Ivy Bridge)

Generation

Xeon W (Sapphire Rapids)

Package

1.4 billions

Transistor Count

-

22 nm

Manufacturing Process

10 nm

77 W

Power Consumption

270 W

Intel

Foundry

Intel

160 mm²

Die Size

4x477 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.5 GHz

3.9 GHz

Performance Core Turbo Frequency

4.8 GHz

4

Total Core Count

20

8

Total Thread Count

40

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

25.0

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

2 MB per core

8 MB shared

L3 Cache

52.5 MB

No

Unlocked Multiplier

No

1

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3

Memory Types

DDR5-4800

-

Max Memory Size

4 TB

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

16

PCIe Lanes

112

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