Intel Xeon Phi 7120D vs Xeon E5420
We compared two server CPUs: Intel Xeon Phi 7120D with 61 cores 1.238GHz and Xeon E5420 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 Phi 7120D 's Advantages
Released 6 years and 4 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (22nm vs 45nm)
Xeon E5420 's Advantages
Higher base frequency (2.5GHz vs 1.238GHz)
Lower TDP (80W vs 270W)
Score
General Parameters
Mar 2014
Release Date
Nov 2007
SFF
Manufacturer
Intel
Server
Type
Server
Knights Corner
Core Architecture
Harpertown
SFF 230-Pin
Socket
Intel Socket 771
N/A
Integrated Graphics
N/A
Xeon Phi (Knights Corner)
Generation
Xeon (Harpertown)
Package
5 billions
Transistor Count
0.82 billions
22 nm
Manufacturing Process
45 nm
270 W
Power Consumption
80 W
Intel
Foundry
Intel
350 mm²
Die Size
2x107 mm²
CPU Performance
1.238 GHz
Performance Core Base Frequency
2.5 GHz
1.333 GHz
Performance Core Turbo Frequency
0
61
Total Core Count
4
244
Total Thread Count
4
100 MHz
Bus Frequency
333 MHz
12.0
Multiplier
7.5
32 K per core
L1 Cache
64 KB per core
512 K per core
L2 Cache
6 MB per die
No
Unlocked Multiplier
No
1
SMP
2
Memory Parameters
DDR3,DDR4
Memory Types
DDR2, DDR3
Depends on motherboard
Max Memory Channels
2
Yes
ECC Memory Support
Yes
Miscellaneous
-
PCIe Version
2
