CPU Comparison

A

AMD

AMD

AMD EPYC 7643P

CORE STATE Milan

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.3 Base / 3.6 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 225W

ARCHITECTURE Zen 3

nm

PROCESS 7 nm

LAUNCH DATE 2023

VS

A

AMD

AMD

EPYC 9684X

CORE STATE Genoa-X

CORE SPECS 96 Cores / 192 Threads

CLOCK SPEED 2.55 Base / 3.7 GHz Turbo

CACHE 1152 MB (shared)

MAX TDP 400W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,623

10,418

cinebench_cinebench_r15_singlecore

934

1,470

cinebench_cinebench_r20_multicore

27,598

43,409

cinebench_cinebench_r20_singlecore

3,895

6,128

cinebench_cinebench_r23_multicore

65,710

103,355

cinebench_cinebench_r23_singlecore

9,276

14,591

passmark_data_compression

1,326,051

2,698,807

passmark_data_encryption

95,606

178,453

passmark_extended_instructions

67,398

177,956

passmark_find_prime_numbers

651

2,020

passmark_floating_point_math

216,592

472,174

passmark_integer_math

390,775

844,145

passmark_multithread

77,307

121,595

passmark_physics

8,002

24,686

passmark_random_string_sorting

160,274

349,126

passmark_single_thread

2,655

2,891

passmark_singlethread

2,655

2,891

geekbench_multicore

N/A

15,668

geekbench_singlecore

N/A

1,586

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643P

EPYC 9684X

Core Specs

Cores

48

96 +100.0%

Threads

96

192 +100.0%

Base Clock (GHz)

2.3

2.55 +10.9%

Boost Clock (GHz)

3.6

3.7 +2.8%

Frequency (GHz)

2.3

2.55 +10.9%

Turbo Clock (GHz)

3.6

3.7 +2.8%

Multiplier

23

25.5 +10.9%

SMP CPUs

1

2 +100.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

1 MB (per core)

L3 Cache

256 MB (shared)

1152 MB (shared)

Power

TDP (W)

225

400 +77.8%

Configurable TDP

240 W

320-400 W

Architecture

Architecture

Zen 3

Zen 4

Codename

Milan

Genoa-X

Generation

EPYC (Zen 3 (Milan))

EPYC (Zen 4 (Genoa))

Process Size

7 nm

5 nm

Transistors

33,200 million

135,240 million

Die Size

8x 81 mm²

12x 72 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Twelve-channel

Memory Bandwidth

204.8 GB/s

460.8 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket SP5

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 128 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

8

—

IO Process Size

12 nm

6 nm

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$2722

$14756

Part Number

100-000001285

100-100000892

Package

FCLGA-4094

FC-LGA6096

Bundled Cooler

—

None

View EPYC 7643P Details View EPYC 9684X Details