Intel Xeon Phi 7120A vs Xeon E7 2803
We compared two server CPUs: Intel Xeon Phi 7120A with 61 cores 1.238GHz and Xeon E7 2803 with 6 cores 1.733GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Xeon Phi 7120A 's Advantages
Released 3 years late
More modern manufacturing process (22nm vs 32nm)
Xeon E7 2803 's Advantages
Higher specification of memory (1333 vs 4)
Higher base frequency (1.733GHz vs 1.238GHz)
Lower TDP (105W vs 300W)
Score
General Parameters
Apr 2014
Release Date
Apr 2011
PCIe
Manufacturer
Intel
Server
Type
Server
Knights Corner
Core Architecture
Westmere-EX
PCIe x16
Socket
Intel Socket 1567
N/A
Integrated Graphics
N/A
Xeon Phi (Knights Corner)
Generation
Xeon E7(Westmere-EX)
Package
5 billions
Transistor Count
2.6 billions
22 nm
Manufacturing Process
32 nm
300 W
Power Consumption
105 W
Intel
Foundry
Intel
350 mm²
Die Size
513 mm²
CPU Performance
1.238 GHz
Performance Core Base Frequency
1.733 GHz
1.333 GHz
Performance Core Turbo Frequency
0
61
Total Core Count
6
244
Total Thread Count
12
100 MHz
Bus Frequency
133 MHz
12.0
Multiplier
13.0
32 K per core
L1 Cache
64 KB per core
512 K per core
L2 Cache
256 KB per core
-
L3 Cache
18 MB shared
No
Unlocked Multiplier
No
1
SMP
2
Memory Parameters
DDR3,DDR4
Memory Types
DDR3-1333
Max Memory Channels
4
Yes
ECC Memory Support
Yes
