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 7 7840H

CORE STATE Phoenix

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.8 Base / 5.1 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 35W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,923

2,392

cinebench_cinebench_r15_singlecore

836

337

cinebench_cinebench_r20_multicore

24,682

9,967

cinebench_cinebench_r20_singlecore

3,484

1,407

cinebench_cinebench_r23_multicore

58,769

23,731

cinebench_cinebench_r23_singlecore

8,296

3,350

3dmark_16_threads

N/A

7,461

3dmark_2_threads

N/A

1,906

3dmark_4_threads

N/A

3,638

3dmark_8_threads

N/A

6,116

3dmark_max_threads

N/A

7,409

3dmark_single_thread

N/A

976

passmark_data_compression

N/A

341,520

passmark_data_encryption

N/A

20,162

passmark_extended_instructions

N/A

25,654

passmark_find_prime_numbers

N/A

83

passmark_floating_point_math

N/A

58,724

passmark_integer_math

N/A

96,692

passmark_multithread

N/A

27,919

passmark_physics

N/A

1,301

passmark_random_string_sorting

N/A

38,938

passmark_single_thread

N/A

3,641

passmark_singlethread

N/A

3,641

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7742

7 7840H

Core Specs

Cores

64

8 -87.5%

Threads

128

16 -87.5%

Base Clock (GHz)

2.25

3.8 +68.9%

Boost Clock (GHz)

3.4

5.1 +50.0%

Frequency (GHz)

2.25

3.8 +68.9%

Turbo Clock (GHz)

3.4

5.1 +50.0%

Multiplier

22.5

38 +68.9%

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

35 -84.4%

Configurable TDP

—

35-54 W

Architecture

Architecture

Zen 2

Zen 4

Codename

Rome

Phoenix

Generation

EPYC (Zen 2 (Rome))

Ryzen 7 (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

89.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket FP8

PCIe

Gen 4

Gen 4, 20 Lanes(CPU only)

Graphics

Integrated Graphics

—

Radeon 780M

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Part Number

100-000000053

100-000000955(FP7r2)100-000000964(FP7)100-000001129(FP8)

Package

FCLGA-4094

FP8, FP7, FP7r2

Tj Max

—

100°C

View EPYC 7742 Details View Ryzen 7 7840H Details