Home Comparison Intel Xeon E3 1275 v2 vs Intel Xeon E5 4640

Intel Xeon E3 1275 v2 vs Intel Xeon E5 4640

Intel Xeon E3 1275 v2
VS
Intel Xeon E5 4640
Intel Xeon E3-1275 v2
Intel Xeon E5-4640
We compared two server CPUs: Intel Xeon E3 1275 v2 with 4 cores 3.5GHz and Intel Xeon E5 4640 with 8 cores 2.4GHz . 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 2.4GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (77W vs 95W)
Intel Xeon E5 4640 's Advantages
Larger L3 cache size (20MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core
Intel Xeon E3 1275 v2 +66%
624
Intel Xeon E5 4640
375
Geekbench 6 Multi Core
Intel Xeon E3 1275 v2 +217%
2088
Intel Xeon E5 4640
658
Intel Xeon E3 1275 v2
VS
Intel Xeon E5 4640

General Parameters

May 2012
Release Date
May 2012
Intel
Manufacturer
Intel
Server
Type
Server
Ivy Bridge
Core Architecture
Sandy Bridge-EP
Intel Socket 1155
Socket
Intel Socket 2011
Intel HD P4000
Integrated Graphics
N/A
Xeon E3 (Ivy Bridge)
Generation
Xeon E5 (Sandy Bridge-EP)

Package

1.4 billions
Transistor Count
2.27 billions
22 nm
Manufacturing Process
32 nm
77 W
Power Consumption
95 W
Intel
Foundry
Intel
160 mm²
Die Size
435 mm²

CPU Performance

3.5 GHz
Performance Core Base Frequency
2.4 GHz
3.9 GHz
Performance Core Turbo Frequency
2.8 GHz
4
Total Core Count
8
8
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
35.0
Multiplier
24.0
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
20 MB shared
No
Unlocked Multiplier
No
1
SMP
4

Memory Parameters

DDR3
Memory Types
DDR3
2
Max Memory Channels
4
Yes
ECC Memory Support
Yes

Miscellaneous

3
PCIe Version
3
16
PCIe Lanes
-

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