Intel Xeon E7 8870 vs Intel Xeon Phi 7120A
We compared two server CPUs: Intel Xeon E7 8870 with 10 cores 2.4GHz and Intel Xeon Phi 7120A with 61 cores 1.238GHz . 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
Higher base frequency (2.4GHz vs 1.238GHz)
Lower TDP (130W vs 300W)
Intel Xeon Phi 7120A 's Advantages
Released 3 years late
Higher specification of memory (4 vs 3)
More modern manufacturing process (22nm vs 32nm)
Score
General Parameters
Apr 2011
Release Date
Apr 2014
Intel
Manufacturer
PCIe
Server
Type
Server
Westmere-EX
Core Architecture
Knights Corner
Intel Socket 1567
Socket
PCIe x16
N/A
Integrated Graphics
N/A
Xeon E7 (Westmere-EX)
Generation
Xeon Phi (Knights Corner)
Package
2.6 billions
Transistor Count
5 billions
32 nm
Manufacturing Process
22 nm
130 W
Power Consumption
300 W
Intel
Foundry
Intel
513 mm²
Die Size
350 mm²
CPU Performance
2.4 GHz
Performance Core Base Frequency
1.238 GHz
2.8 GHz
Performance Core Turbo Frequency
1.333 GHz
10
Total Core Count
61
20
Total Thread Count
244
133 MHz
Bus Frequency
100 MHz
18.0
Multiplier
12.0
64 K per core
L1 Cache
32 K per core
256 K per core
L2 Cache
512 K per core
30 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
8
SMP
1
Memory Parameters
DDR3
Memory Types
DDR3,DDR4
Yes
ECC Memory Support
Yes
