CPU Comparison

A

AMD

AMD

AMD EPYC 7742

CORE STATE Rome

CORE SPECS 64 Cores / 128 Threads

CLOCK SPEED 2.25 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 7940HX

CORE STATE Dragon Range

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 2.4 Base / 5.2 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 55W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,923

4,618

cinebench_cinebench_r15_singlecore

836

651

cinebench_cinebench_r20_multicore

24,682

19,245

cinebench_cinebench_r20_singlecore

3,484

2,716

cinebench_cinebench_r23_multicore

58,769

45,822

cinebench_cinebench_r23_singlecore

8,296

6,469

3dmark_16_threads

N/A

12,501

3dmark_2_threads

N/A

2,001

3dmark_4_threads

N/A

3,844

3dmark_8_threads

N/A

7,158

3dmark_max_threads

N/A

13,447

3dmark_single_thread

N/A

1,027

passmark_data_compression

N/A

706,097

passmark_data_encryption

N/A

42,557

passmark_extended_instructions

N/A

52,217

passmark_find_prime_numbers

N/A

274

passmark_floating_point_math

N/A

122,952

passmark_integer_math

N/A

205,157

passmark_multithread

N/A

53,904

passmark_physics

N/A

2,313

passmark_random_string_sorting

N/A

83,100

passmark_single_thread

N/A

3,953

passmark_singlethread

N/A

3,953

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7742

9 7940HX

Core Specs

Cores

64

16 -75.0%

Threads

128

32 -75.0%

Base Clock (GHz)

2.25

2.4 +6.7%

Boost Clock (GHz)

3.4

5.2 +52.9%

Frequency (GHz)

2.25

2.4 +6.7%

Turbo Clock (GHz)

3.4

5.2 +52.9%

Multiplier

22.5

24 +6.7%

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

No

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

100-000000053

100-000001486

Package

FCLGA-4094

µFC-BGAFL1

Tj Max

—

100°C

View EPYC 7742 Details View Ryzen 9 7940HX Details