Intel Xeon E7 8870 v3 vs Xeon L7445
We compared two server CPUs: Intel Xeon E7 8870 v3 with 18 cores 2.1GHz and Xeon L7445 with 4 cores 2.133GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E7 8870 v3 's Advantages
Released 6 years and 9 months late
Higher specification of memory (1866 vs 667)
Larger L3 cache size (45MB vs 12MB)
More modern manufacturing process (22nm vs 45nm)
Xeon L7445 's Advantages
Higher base frequency (2.133GHz vs 2.1GHz)
Lower TDP (50W vs 140W)
Score
General Parameters
Jun 2015
Release Date
Sep 2008
Intel
Manufacturer
Intel
Server
Type
Server
Haswell-EX
Core Architecture
Dunnington
Intel Socket 2011-3
Socket
Intel Socket 604
N/A
Integrated Graphics
On certain motherboards (Chipset feature)
Xeon E7 (Haswell-EX)
Generation
Xeon MP (Dunnington)
Package
1.4 billions
Transistor Count
1.9 billions
22 nm
Manufacturing Process
45 nm
140 W
Power Consumption
50 W
75 °C
Peak Operating Temperature
-
Intel
Foundry
Intel
160 mm²
Die Size
503 mm²
CPU Performance
2.1 GHz
Performance Core Base Frequency
2.133 GHz
2.9 GHz
Performance Core Turbo Frequency
0
18
Total Core Count
4
36
Total Thread Count
4
100 MHz
Bus Frequency
266 MHz
21.0
Multiplier
8.0
64 K per core
L1 Cache
64 KB per core
256 K per core
L2 Cache
3 MB per module
45 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
8
SMP
4
Memory Parameters
DDR3,DDR4-1866
Memory Types
DDR2, DDR3-667
2
Max Memory Channels
4
Yes
ECC Memory Support
Yes
Miscellaneous
3
PCIe Version
0
32
PCIe Lanes
-
