CPU Comparison

A

AMD

AMD

AMD EPYC 7643

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 2021

VS

A

AMD

AMD

EPYC 9655

CORE STATE Turin

CORE SPECS 96 Cores / 192 Threads

CLOCK SPEED 2.6 Base / 4.5 GHz Turbo

CACHE 384 MB (shared)

MAX TDP 400W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

13,373

cinebench_cinebench_r15_singlecore

919

1,887

cinebench_cinebench_r20_multicore

27,149

55,722

cinebench_cinebench_r20_singlecore

3,832

7,866

cinebench_cinebench_r23_multicore

64,642

132,672

cinebench_cinebench_r23_singlecore

9,126

18,730

passmark_data_compression

N/A

3,271,019

passmark_data_encryption

N/A

210,541

passmark_extended_instructions

N/A

203,302

passmark_find_prime_numbers

N/A

1,599

passmark_floating_point_math

N/A

662,949

passmark_integer_math

N/A

1,139,221

passmark_multithread

N/A

156,085

passmark_physics

N/A

25,958

passmark_random_string_sorting

N/A

440,608

passmark_single_thread

N/A

3,845

passmark_singlethread

N/A

3,845

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

EPYC 9655

Core Specs

Cores

48

96 +100.0%

Threads

96

192 +100.0%

Base Clock (GHz)

2.3

2.6 +13.0%

Boost Clock (GHz)

3.6

4.5 +25.0%

Frequency (GHz)

2.3

2.6 +13.0%

Turbo Clock (GHz)

3.6

4.5 +25.0%

Multiplier

23

26 +13.0%

SMP CPUs

2

2 0.0%

Cache

L1 Cache

64 KB (per core)

80 KB (per core)

L2 Cache

512 KB (per core)

1 MB (per core)

L3 Cache

256 MB (shared)

384 MB (shared)

Power

TDP (W)

225

400 +77.8%

Configurable TDP

240 W

320-400 W

Architecture

Architecture

Zen 3

Zen 5

Codename

Milan

Turin

Generation

EPYC (Zen 3 (Milan))

EPYC (Zen 5 (Turin))

Process Size

7 nm

4 nm

Transistors

33,200 million

99,780 million

Die Size

8x 81 mm²

12x 70.6 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Twelve-channel

Memory Bandwidth

204.8 GB/s

576.0 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

6

—

IO Process Size

12 nm

6 nm

Interconnect

CXL

—

Gen 2.0

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$4995

$11852

Part Number

100-000000326100-100000326WOF

100-000000674

Package

FCLGA-4094

FC-LGA6096

View EPYC 7643 Details View EPYC 9655 Details