Intel Xeon E7 8870 vs Intel Xeon E5645
We compared two server CPUs: Intel Xeon E7 8870 with 10 cores 2.4GHz and Intel Xeon E5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon E7 8870 's Advantages
Released 1 years and 1 months late
Larger L3 cache size (30MB vs 12MB)
Intel Xeon E5645 's Advantages
Lower TDP (80W vs 130W)
Score
Benchmark
Geekbench 6 Single Core
Intel Xeon E7 8870
401
Intel Xeon E5645
+5%
425
Geekbench 6 Multi Core
Intel Xeon E7 8870
2530
Intel Xeon E5645
+23%
3117
General Parameters
Apr 2011
Release Date
Mar 2010
Intel
Manufacturer
Intel
Server
Type
Server
Westmere-EX
Core Architecture
Westmere-EP
Intel Socket 1567
Socket
Intel Socket 1366
N/A
Integrated Graphics
N/A
Xeon E7 (Westmere-EX)
Generation
Xeon (Westmere-EP)
Package
2.6 billions
Transistor Count
1.17 billions
32 nm
Manufacturing Process
32 nm
130 W
Power Consumption
80 W
Intel
Foundry
Intel
513 mm²
Die Size
239 mm²
CPU Performance
2.4 GHz
Performance Core Base Frequency
2.4 GHz
2.8 GHz
Performance Core Turbo Frequency
2.666 GHz
10
Total Core Count
6
20
Total Thread Count
12
133 MHz
Bus Frequency
133 MHz
18.0
Multiplier
18.0
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
30 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
8
SMP
2
Memory Parameters
DDR3
Memory Types
DDR3
Max Memory Channels
3
Yes
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
2
