Intel Xeon E3 1275 v3 vs Intel Xeon E5649

VS

We compared two server CPUs: Intel Xeon E3 1275 v3 with 4 cores 3.5GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v3 's Advantages

Released 2 years and 4 months late

Newer PCIe version (3 vs 2)

Higher base frequency (3.5GHz vs 2.533GHz)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5649 's Advantages

Higher specification of memory (DDR3 vs DDR3)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 84W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1275 v3 +177%

1140

Intel Xeon E5649

411

Geekbench 6 Multi Core

Intel Xeon E3 1275 v3 +77%

3063

Intel Xeon E5649

1727

Intel Xeon E3 1275 v3

VS

Intel Xeon E5649

General Parameters

Jun 2013

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Westmere-EP

Intel Socket 1150

Socket

Intel Socket 1366

Intel HD P4600

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon (Westmere-EP)

Package

1.4 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

Intel Socket 1150

Socket

Intel Socket 1366

84 W

Power Consumption

80 W

Intel

Foundry

Intel

160 mm²

Die Size

239 mm²

FC-LGA12C

Package

FC-LGA10

CPU Performance

3.5 GHz

Performance Core Base Frequency

2.533 GHz

3.9 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

35.0

Multiplier

19.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,

Memory Types

DDR3

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

Related CPU Comparisons

1

AMD EPYC 9534 vs Intel Xeon E3 1275 v3

2

Intel Xeon E3 1241 v3 vs Intel Xeon E3 1275 v3

3

Intel Xeon E3 1275 v3 vs Intel Xeon E3 1270 v3

4

Intel Xeon E3 1285 v4 vs Intel Xeon E3 1275 v3

5

Intel Xeon Platinum 8461V vs Intel Xeon E3 1275 v3

6

Intel Xeon E7 8890 v3 vs Intel Xeon E3 1275 v3

7

Intel Xeon E3 1275 v3 vs Intel Xeon E 2378G

8

Opteron X2 185 vs Intel Xeon E5649

9

Intel Xeon E3 1275 v3 vs Intel Xeon E5 2683 v3

10

Intel Xeon E3 1275 v3 vs Xeon E 2244G

Related News

1

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation

2

Concerns Raised by Unstable 13th/14th Gen Core CPUs: Motherboard Manufacturers Worry About Impact on Arrow Lake Release and Sales

3

Do You Really Know What a "Rendering Engine" Is? Read This Article to Understand All About It

4

New AMD Zen5 Ryzen 9000 Motherboards X870E/X870 to Adopt USB4! But You’ll Have to Wait Two More Months

5

Surpassing RTX 2050! Intel's Next-Gen Integrated Graphics Benchmark Closely Approaches AMD

6

New Benchmarks for AMD Ryzen AI 9 HX 370 Revealed: Single-Core Parity with R9 7945HX3D, Multi-Core Still Lower

7

X3D Performance Beyond Words! AMD Ryzen 7 9700X May Unlock Power Consumption: From 65W to 120W

8

First Benchmark Leak of Intel Core Ultra 7 268V: Single-Core Performance Soars by 20%, Still Lags Behind AMD

9

NVIDIA Grace CPU Benchmark Results Released, Stunning Performance

10

Minisforum Launches UM890 Pro Mini PC with R9 8945HS and Dual USB4 Ports