CPU Comparison

A

AMD

AMD

AMD EPYC 7642

CORE STATE Rome

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.4 Base / 3.4 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 225W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2019

VS

A

AMD

AMD

Ryzen 5 8400F

CORE STATE Phoenix

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 4.2 Base / 4.7 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 65W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

2,101

cinebench_cinebench_r15_singlecore

711

296

cinebench_cinebench_r20_multicore

20,989

8,757

cinebench_cinebench_r20_singlecore

2,963

1,236

cinebench_cinebench_r23_multicore

49,975

20,851

cinebench_cinebench_r23_singlecore

7,055

2,943

passmark_data_compression

1,195,584

288,994

passmark_data_encryption

86,397

16,684

passmark_extended_instructions

68,841

22,274

passmark_find_prime_numbers

496

92

passmark_floating_point_math

181,887

46,096

passmark_integer_math

305,303

74,304

passmark_multithread

58,795

24,530

passmark_physics

5,098

1,391

passmark_random_string_sorting

114,871

34,645

passmark_single_thread

2,052

3,684

passmark_singlethread

2,052

3,684

3dmark_16_threads

N/A

6,091

3dmark_2_threads

N/A

1,874

3dmark_4_threads

N/A

3,563

3dmark_8_threads

N/A

5,275

3dmark_max_threads

N/A

6,165

3dmark_single_thread

N/A

951

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

5 8400F

Core Specs

Cores

48

6 -87.5%

Threads

96

12 -87.5%

Base Clock (GHz)

2.4

4.2 +75.0%

Boost Clock (GHz)

3.4

4.7 +38.2%

Frequency (GHz)

2.4

4.2 +75.0%

Turbo Clock (GHz)

3.4

4.7 +38.2%

Multiplier

24

42 +75.0%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

96 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

65 -71.1%

PPT

—

61-88 W

Configurable TDP

—

45 W

Architecture

Architecture

Zen 2

Zen 4

Codename

Rome

Phoenix

Generation

EPYC (Zen 2 (Rome))

Ryzen 5 (Zen 4 (Phoenix))

Process Size

7 nm

4 nm

Transistors

3,800 million

25,000 million

Die Size

74 mm²

178 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

No

Platform

Socket

AMD Socket SP3

AMD Socket AM5

Chipsets

—

X670E, X670, B650E, B650, A620

PCIe

Gen 4

Gen 4, 20 Lanes(CPU only)

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

—

$170

Part Number

100-000000074

100-000001591

Package

FCLGA-4094

FC-LGA1718

Tj Max

—

95°C

View EPYC 7642 Details View Ryzen 5 8400F Details