Intel Xeon E5 2643 v2 vs Intel Xeon E5 4640 v3
We compared two server CPUs: Intel Xeon E5 2643 v2 with 6 cores 3.5GHz and Intel Xeon E5 4640 v3 with 12 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E5 2643 v2 's Advantages
Higher base frequency (3.5GHz vs 1.9GHz)
Intel Xeon E5 4640 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (30MB vs 15MB)
Lower TDP (105W vs 130W)
Score
General Parameters
Sep 2013
Release Date
Jun 2015
Intel
Manufacturer
Intel
Server
Type
Server
Ivy Bridge-EP
Core Architecture
Haswell-EP
Intel Socket 2011
Socket
Intel Socket 2011-3
N/A
Integrated Graphics
N/A
Xeon E5 (Ivy Bridge-EP)
Generation
Xeon E5 (Haswell-EP)
Package
1.4 billions
Transistor Count
2.6 billions
22 nm
Manufacturing Process
22 nm
130 W
Power Consumption
105 W
-
Peak Operating Temperature
78 °C
Intel
Foundry
Intel
160 mm²
Die Size
356 mm²
CPU Performance
3.5 GHz
Performance Core Base Frequency
1.9 GHz
0
Performance Core Turbo Frequency
2.6 GHz
6
Total Core Count
12
12
Total Thread Count
24
100 MHz
Bus Frequency
100 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
15 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
No
2
SMP
4
Memory Parameters
DDR3
Memory Types
DDR4-1866
4
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
3
-
PCIe Lanes
40
