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 7940HS

CORE STATE Phoenix

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 4 Base / 5.2 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 35W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,623

2,578

cinebench_cinebench_r15_singlecore

934

363

cinebench_cinebench_r20_multicore

27,598

10,744

cinebench_cinebench_r20_singlecore

3,895

1,516

cinebench_cinebench_r23_multicore

65,710

25,583

cinebench_cinebench_r23_singlecore

9,276

3,611

passmark_data_compression

1,326,051

365,352

passmark_data_encryption

95,606

21,777

passmark_extended_instructions

67,398

27,480

passmark_find_prime_numbers

651

92

passmark_floating_point_math

216,592

62,897

passmark_integer_math

390,775

103,044

passmark_multithread

77,307

30,098

passmark_physics

8,002

1,450

passmark_random_string_sorting

160,274

42,386

passmark_single_thread

2,655

3,878

passmark_singlethread

2,655

3,878

3dmark_16_threads

N/A

7,553

3dmark_2_threads

N/A

1,952

3dmark_4_threads

N/A

3,725

3dmark_8_threads

N/A

6,205

3dmark_max_threads

N/A

7,558

3dmark_single_thread

N/A

1,003

geekbench_multicore

N/A

11,516

geekbench_singlecore

N/A

2,449

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643P

9 7940HS

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

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)

16 MB (shared)

Power

TDP (W)

225

35 -84.4%

Configurable TDP

240 W

54 W

Architecture

Architecture

Zen 3

Zen 4

Codename

Milan

Phoenix

Generation

EPYC (Zen 3 (Milan))

Ryzen 9 (Zen 4 (Phoenix))

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

Yes

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

8

—

IO Process Size

12 nm

—

Graphics

Integrated Graphics

—

Radeon 780M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Launch Price

$2722

—

Part Number

100-000001285

100-000000954(FP7r2)100-000000963(FP7)100-000001128(FP8)

Package

FCLGA-4094

FP8, FP7, FP7r2

Tj Max

—

100°C

View EPYC 7643P Details View Ryzen 9 7940HS Details