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

Ryzen 9 7900X

CORE STATE Raphael

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 4.7 Base / 5.6 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 170W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,623

4,404

cinebench_cinebench_r15_singlecore

934

621

cinebench_cinebench_r20_multicore

27,598

18,351

cinebench_cinebench_r20_singlecore

3,895

2,590

cinebench_cinebench_r23_multicore

65,710

43,695

cinebench_cinebench_r23_singlecore

9,276

6,168

passmark_data_compression

1,326,051

632,505

passmark_data_encryption

95,606

37,263

passmark_extended_instructions

67,398

47,619

passmark_find_prime_numbers

651

388

passmark_floating_point_math

216,592

103,952

passmark_integer_math

390,775

169,273

passmark_multithread

77,307

51,406

passmark_physics

8,002

3,060

passmark_random_string_sorting

160,274

74,658

passmark_single_thread

2,655

4,238

passmark_singlethread

2,655

4,238

3dmark_16_threads

N/A

10,972

3dmark_2_threads

N/A

2,137

3dmark_4_threads

N/A

4,151

3dmark_8_threads

N/A

7,798

3dmark_max_threads

N/A

12,536

3dmark_single_thread

N/A

1,093

geekbench_multicore

N/A

17,830

geekbench_singlecore

N/A

2,952

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643P

9 7900X

Core Specs

Cores

48

12 -75.0%

Threads

96

24 -75.0%

Base Clock (GHz)

2.3

4.7 +104.3%

Boost Clock (GHz)

3.6

5.6 +55.6%

Frequency (GHz)

2.3

4.7 +104.3%

Turbo Clock (GHz)

3.6

5.6 +55.6%

Multiplier

23

47 +104.3%

SMP CPUs

1

1 0.0%

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)

64 MB (shared)

Power

TDP (W)

225

170 -24.4%

PPT

—

230 W

Configurable TDP

240 W

—

Architecture

Architecture

Zen 3

Zen 4

Codename

Milan

Raphael

Generation

EPYC (Zen 3 (Milan))

Ryzen 9 (Zen 4 (Raphael))

Process Size

7 nm

5 nm

Transistors

33,200 million

13,140 million

Die Size

8x 81 mm²

2x 71 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

83.2 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket AM5

Chipsets

—

X670E, X670, B650E, B650

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 24 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

8

—

IO Process Size

12 nm

6 nm

Graphics

Integrated Graphics

—

Radeon Graphics

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

$2722

$549

Part Number

100-000001285

100-000000589

Package

FCLGA-4094

FC-LGA1718

Tj Max

—

100°C

View EPYC 7643P Details View Ryzen 9 7900X Details