Intel Xeon E3 1245 v2 vs Opteron 1381
We compared two server CPUs: Intel Xeon E3 1245 v2 with 4 cores 3.4GHz and Opteron 1381 with 4 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 1245 v2 's Advantages
Released 2 years and 11 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 2.5GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (77W vs 115W)
Opteron 1381 's Advantages
Higher specification of memory (1333 vs 3)
Score
General Parameters
May 2012
Release Date
Jun 2009
Intel
Manufacturer
AMD
Server
Type
Server
Ivy Bridge
Core Architecture
Suzuka
Intel Socket 1155
Socket
AMD Socket AM3
Intel HD P4000
Integrated Graphics
On certain motherboards (Chipset feature)
Xeon E3 (Ivy Bridge)
Generation
Opteron(Suzuka)
Package
1.4 billions
Transistor Count
0.758 billions
22 nm
Manufacturing Process
45 nm
77 W
Power Consumption
115 W
Intel
Foundry
GlobalFoundries
160 mm²
Die Size
258 mm²
CPU Performance
3.4 GHz
Performance Core Base Frequency
2.5 GHz
3.8 GHz
Performance Core Turbo Frequency
0
4
Total Core Count
4
8
Total Thread Count
4
100 MHz
Bus Frequency
200 MHz
34.0
Multiplier
12.5
64 K per core
L1 Cache
128 KB per core
256 K per core
L2 Cache
512 KB per core
8 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR3
Memory Types
DDR3-1333
2
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
2
16
PCIe Lanes
-
