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 9 7945HX

CORE STATE Dragon Range

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 2.5 Base / 5.4 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 55W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

4,674

cinebench_cinebench_r15_singlecore

711

659

cinebench_cinebench_r20_multicore

20,989

19,477

cinebench_cinebench_r20_singlecore

2,963

2,749

cinebench_cinebench_r23_multicore

49,975

46,375

cinebench_cinebench_r23_singlecore

7,055

6,547

passmark_data_compression

1,195,584

707,249

passmark_data_encryption

86,397

42,703

passmark_extended_instructions

68,841

51,834

passmark_find_prime_numbers

496

284

passmark_floating_point_math

181,887

123,390

passmark_integer_math

305,303

207,524

passmark_multithread

58,795

54,548

passmark_physics

5,098

2,500

passmark_random_string_sorting

114,871

81,736

passmark_single_thread

2,052

4,040

passmark_singlethread

2,052

4,040

3dmark_16_threads

N/A

12,737

3dmark_2_threads

N/A

2,063

3dmark_4_threads

N/A

3,972

3dmark_8_threads

N/A

7,355

3dmark_max_threads

N/A

13,612

3dmark_single_thread

N/A

1,058

geekbench_multicore

N/A

16,156

geekbench_singlecore

N/A

2,769

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

9 7945HX

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

2.4

2.5 +4.2%

Boost Clock (GHz)

3.4

5.4 +58.8%

Frequency (GHz)

2.4

2.5 +4.2%

Turbo Clock (GHz)

3.4

5.4 +58.8%

Multiplier

24

25 +4.2%

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)

64 MB (shared)

Power

TDP (W)

225

55 -75.6%

Configurable TDP

—

55-75 W

Architecture

Architecture

Zen 2

Zen 4

Codename

Rome

Dragon Range

Generation

EPYC (Zen 2 (Rome))

Ryzen 9 (Zen 4 (Dragon Range))

Process Size

7 nm

5 nm

Transistors

3,800 million

13,140 million

Die Size

74 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 FL1

PCIe

Gen 4

Gen 5, 28 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

6 nm

Graphics

Integrated Graphics

—

Radeon 610M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Part Number

100-000000074

100-000000870

Package

FCLGA-4094

µFC-BGAFL1

Tj Max

—

100°C

View EPYC 7642 Details View Ryzen 9 7945HX Details