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 9355P

CORE STATE Turin

CORE SPECS 32 Cores / 64 Threads

CLOCK SPEED 3.55 Base / 4.4 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 280W

ARCHITECTURE Zen 5

nm

PROCESS 4 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

8,332

cinebench_cinebench_r15_singlecore

919

1,176

cinebench_cinebench_r20_multicore

27,149

34,719

cinebench_cinebench_r20_singlecore

3,832

4,901

cinebench_cinebench_r23_multicore

64,642

82,666

cinebench_cinebench_r23_singlecore

9,126

11,670

passmark_data_compression

N/A

1,431,968

passmark_data_encryption

N/A

81,945

passmark_extended_instructions

N/A

106,821

passmark_find_prime_numbers

N/A

1,041

passmark_floating_point_math

N/A

255,177

passmark_integer_math

N/A

414,347

passmark_multithread

N/A

97,255

passmark_physics

N/A

14,521

passmark_random_string_sorting

N/A

180,482

passmark_single_thread

N/A

3,741

passmark_singlethread

N/A

3,741

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

EPYC 9355P

Core Specs

Cores

48

32 -33.3%

Threads

96

64 -33.3%

Base Clock (GHz)

2.3

3.55 +54.3%

Boost Clock (GHz)

3.6

4.4 +22.2%

Frequency (GHz)

2.3

3.55 +54.3%

Turbo Clock (GHz)

3.6

4.4 +22.2%

Multiplier

23

35.5 +54.3%

SMP CPUs

2

1 -50.0%

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)

256 MB (shared)

Power

TDP (W)

225

280 +24.4%

Configurable TDP

240 W

240-300 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

66,520 million

Die Size

8x 81 mm²

8x 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

$2998

Part Number

100-000000326100-100000326WOF

100-000001521

Package

FCLGA-4094

FC-LGA6096

View EPYC 7643 Details View EPYC 9355P Details