AMD Ryzen 9 PRO 3900 vs AMD EPYC 7281

Head-to-head processor comparison

Aggregated Scores

Combined benchmark scores for both processors


Overall Score

Out of 2,060 results in the database

6,171

Rank #188

vs
5,201

Rank #707

6,171
5,201

Ryzen 9 PRO 3900 wins by 15.7% (Rank #188 vs #707)

Singlecore Score

Out of 2,060 results in the database

6,116

Rank #228

vs
4,775

Rank #1,087

6,116
4,775

Ryzen 9 PRO 3900 wins by 21.9% (Rank #228 vs #1087)

Multicore Score

Out of 2,060 results in the database

6,254

Rank #198

vs
5,841

Rank #273

6,254
5,841

Ryzen 9 PRO 3900 wins by 6.6% (Rank #198 vs #273)

Number Crunching

Out of 1,771 results in the database

5,674

Rank #144

vs
5,182

Rank #286

5,674
5,182

Ryzen 9 PRO 3900 wins by 8.7% (Rank #144 vs #286)

Data Processing

Out of 1,771 results in the database

5,786

Rank #138

vs
5,647

Rank #173

5,786
5,647

Ryzen 9 PRO 3900 wins by 2.4% (Rank #138 vs #173)

Physics & Compute

Out of 1,771 results in the database

5,532

Rank #179

vs
5,024

Rank #380

5,532
5,024

Ryzen 9 PRO 3900 wins by 9.2% (Rank #179 vs #380)


Specifications

Side-by-side comparison of key specifications


Specification Ryzen 9 PRO 3900 EPYC 7281 Diff
Cores
12
16
-25%
Threads
24
32
-25%
Base Frequency
3,100 MHz
2,100 MHz
+32.3%
Turbo Frequency (1 core) --
2,700 MHz
Turbo Frequency (2 cores) --
2,700 MHz
Turbo Frequency (3 cores) --
2,700 MHz
Turbo Frequency (4 cores) --
2,700 MHz
Clock Multiplier --
21x
L1 Cache
768 KB
1,536 KB
-50%
L2 Cache
6 MiB
8 MiB
-25%
L3 Cache
64 MiB
32 MiB
+50%
Memory Channels
2
8
-75%
Maximum Memory
128 GB
2,048 GB
-93.8%
Max Bandwidth
48 GB/s
159 GB/s
-70%
PCIe Lanes
20
--
Max CPUs
1
2
-50%
TDP (lower is better)
65 W
155 W
58.1% less
Process (lower is better)
7 nm
14 nm
50% less

General Information

Specification Ryzen 9 PRO 3900 EPYC 7281
Designer AMD AMD
Family Ryzen EPYC
Series 3000 7000
Model Number PRO 7281
Microarchitecture Zen 2 Zen
Core Name Matisse Naples
Core Family -- 23
Core Model -- 1
Socket Socket Socket
Package µOPGA-1331 FCLGA-4094
Memory Type DDR4-3200 DDR4-2666 and DDR4-2400
ECC Support No Yes
PCIe Revision 4.0 --
PCIe Configuration 1x16+x4, 2x8+x4, 1x8+2x4+x4 --
Market Segment Desktop Server
Release Price -- $650.00
Locked Multiplier No No

Designer

Ryzen 9 PRO 3900
AMD
EPYC 7281
AMD

Family

Ryzen 9 PRO 3900
Ryzen
EPYC 7281
EPYC

Series

Ryzen 9 PRO 3900
3000
EPYC 7281
7000

Model Number

Ryzen 9 PRO 3900
PRO
EPYC 7281
7281

Microarchitecture

Ryzen 9 PRO 3900
Zen 2
EPYC 7281
Zen

Core Name

Ryzen 9 PRO 3900
Matisse
EPYC 7281
Naples

Core Family

Ryzen 9 PRO 3900
--
EPYC 7281
23

Core Model

Ryzen 9 PRO 3900
--
EPYC 7281
1

Socket

Ryzen 9 PRO 3900
Socket
EPYC 7281
Socket

Package

Ryzen 9 PRO 3900
µOPGA-1331
EPYC 7281
FCLGA-4094

Memory Type

Ryzen 9 PRO 3900
DDR4-3200
EPYC 7281
DDR4-2666 and DDR4-2400

ECC Support

Ryzen 9 PRO 3900
No
EPYC 7281
Yes

PCIe Revision

Ryzen 9 PRO 3900
4.0
EPYC 7281
--

PCIe Configuration

Ryzen 9 PRO 3900
1x16+x4, 2x8+x4, 1x8+2x4+x4
EPYC 7281
--

Market Segment

Ryzen 9 PRO 3900
Desktop
EPYC 7281
Server

Release Price

Ryzen 9 PRO 3900
--
EPYC 7281
$650.00

Locked Multiplier

Ryzen 9 PRO 3900
No
EPYC 7281
No

Physical Specifications

Manufacturing process and die characteristics


Specification Ryzen 9 PRO 3900 EPYC 7281
Process 7 nm 14 nm
Die Area -- 213 mm²
Transistor Count -- 19.20 billion
Manufacturer TSMC GlobalFoundries
Technology CMOS CMOS
Word Size 64-bit 64-bit
ISA x86-64 (x86) x86-64 (x86)

Process

Ryzen 9 PRO 3900
7 nm
EPYC 7281
14 nm

Die Area

Ryzen 9 PRO 3900
--
EPYC 7281
213 mm²

Transistor Count

Ryzen 9 PRO 3900
--
EPYC 7281
19.20 billion

Manufacturer

Ryzen 9 PRO 3900
TSMC
EPYC 7281
GlobalFoundries

Technology

Ryzen 9 PRO 3900
CMOS
EPYC 7281
CMOS

Word Size

Ryzen 9 PRO 3900
64-bit
EPYC 7281
64-bit

ISA

Ryzen 9 PRO 3900
x86-64 (x86)
EPYC 7281
x86-64 (x86)

CPU Extensions

Supported instruction set extensions comparison


Extension Ryzen 9 PRO 3900 EPYC 7281
ABM
ADX
AES
AMD-V
AMD-Vi
AVX
AVX-512
AVX2
AVX512BW
AVX512CD
AVX512DQ
AVX512F
AVX512VL
BMI1
BMI2
Boost 2
CLMUL
EIST
EMMX
EPT
F16C
FMA3
FPU
HT
IPT
MMX
MPX
NX
Protected
RdRand
Real
SEV
SHA
SME
SMEP
SMM
SMT
SSE
SSE2
SSE3
SSE4.1
SSE4.2
SSE4a
SSSE3
SST
Secure Key
SenseMI
TBT 2.0
TSME
TSX
TXT
VMD
VT-d
VT-x
XFR 2
vPro
x86-16
x86-32
x86-64