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

Ryzen 9 270

CORE STATE Hawk Point

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 4 Base / 5.2 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 45W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

2,664

cinebench_cinebench_r15_singlecore

919

376

cinebench_cinebench_r20_multicore

27,149

11,103

cinebench_cinebench_r20_singlecore

3,832

1,567

cinebench_cinebench_r23_multicore

64,642

26,438

cinebench_cinebench_r23_singlecore

9,126

3,732

passmark_data_compression

N/A

377,029

passmark_data_encryption

N/A

22,636

passmark_extended_instructions

N/A

28,936

passmark_find_prime_numbers

N/A

90

passmark_floating_point_math

N/A

63,640

passmark_integer_math

N/A

103,292

passmark_multithread

N/A

31,104

passmark_physics

N/A

1,479

passmark_random_string_sorting

N/A

46,810

passmark_single_thread

N/A

3,970

passmark_singlethread

N/A

3,970

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

9 270

Core Specs

Cores

48

8 -83.3%

Threads

96

16 -83.3%

Base Clock (GHz)

2.3

4 +73.9%

Boost Clock (GHz)

3.6

5.2 +44.4%

Frequency (GHz)

2.3

4 +73.9%

Turbo Clock (GHz)

3.6

5.2 +44.4%

Multiplier

23

40 +73.9%

SMP CPUs

2

1 -50.0%

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)

16 MB (shared)

Power

TDP (W)

225

45 -80.0%

Configurable TDP

240 W

35-54 W

Architecture

Architecture

Zen 3

Zen 4

Codename

Milan

Hawk Point

Generation

EPYC (Zen 3 (Milan))

Ryzen 9 (Zen 4 (Hawk Point))

Process Size

7 nm

4 nm

Transistors

33,200 million

25,000 million

Die Size

8x 81 mm²

178 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

89.6 GB/s

ECC Memory

Yes

No

Platform

Socket

AMD Socket SP3

AMD Socket FP8

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 4, 20 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

6

—

IO Process Size

12 nm

—

AI/NPU

XDNA NPU

—

16 TOPS

Graphics

Integrated Graphics

—

Radeon 780M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$4995

—

Part Number

100-000000326100-100000326WOF

100-000001836

Package

FCLGA-4094

FP8, FP7, FP7r2

Tj Max

—

100°C

View EPYC 7643 Details View Ryzen 9 270 Details