Home Comparison AMD EPYC 7663P vs AMD EPYC 7281

AMD EPYC 7663P vs AMD EPYC 7281

We compared two server CPUs: AMD EPYC 7663P with 56 cores 2GHz and AMD EPYC 7281 with 16 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663P 's Advantages
Released 6 years and 3 months late
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 32MB)
More modern manufacturing process (7nm vs 14nm)
AMD EPYC 7281 's Advantages
Higher base frequency (2.1GHz vs 2GHz)
Lower TDP (170W vs 240W)

Score

VS

General Parameters

Sep 2023
Release Date
Jun 2017
AMD
Manufacturer
AMD
Server
Type
Server
Milan
Core Architecture
Naples
AMD Socket SP3
Socket
AMD Socket SP3
N/A
Integrated Graphics
N/A
EPYC (Zen 3 (Milan))
Generation
EPYC (Zen (Naples))

Package

33.2 billions
Transistor Count
4.8 billions
7 nm
Manufacturing Process
14 nm
240 W
Power Consumption
170 W
-
Peak Operating Temperature
85 °C
TSMC
Foundry
GlobalFoundries
8x81 mm²
Die Size
213 mm²
12 nm
I/O Process Size
-
416 mm²
I/O Die Size
-

CPU Performance

2 GHz
Performance Core Base Frequency
2.1 GHz
3.5 GHz
Performance Core Turbo Frequency
2.7 GHz
56
Total Core Count
16
112
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
20.0
Multiplier
21.0
64 KB per core
L1 Cache
96 K per core
512 KB per core
L2 Cache
512 K per core
256 MB shared
L3 Cache
32 MB shared
No
Unlocked Multiplier
Yes
8
Cores per CCD
-
1
SMP
2

Memory Parameters

DDR4-3200
Memory Types
DDR4-2666
8
Max Memory Channels
8
Yes
ECC Memory Support
Yes

Miscellaneous

4
PCIe Version
3
128
PCIe Lanes
-

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