Home Comparison Intel Xeon Phi 3120A vs Xeon E7 2820

Intel Xeon Phi 3120A vs Xeon E7 2820

Intel Xeon Phi 3120A
VS
Xeon E7 2820
Intel Xeon Phi 3120A
Intel Xeon E7-2820
We compared two server CPUs: Intel Xeon Phi 3120A with 57 cores 1.1GHz and Xeon E7 2820 with 8 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Phi 3120A 's Advantages
Released 2 years and 2 months late
More modern manufacturing process (22nm vs 32nm)
Xeon E7 2820 's Advantages
Higher specification of memory (1333 vs 4)
Higher base frequency (2GHz vs 1.1GHz)
Lower TDP (105W vs 300W)

Score

Intel Xeon Phi 3120A
VS
Xeon E7 2820

General Parameters

Jun 2013
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

1.1 GHz
Performance Core Base Frequency
2 GHz
0
Performance Core Turbo Frequency
2.266 GHz
57
Total Core Count
8
228
Total Thread Count
16
100 MHz
Bus Frequency
133 MHz
11.0
Multiplier
15.0
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

Miscellaneous

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