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

i

Intel

INTEL

Core i7-1255U

CORE STATE Alder Lake-U

CORE SPECS 10 Cores / 12 Threads

CLOCK SPEED 1700 Base / 4.7 GHz Turbo

CACHE 12 MB (shared)

MAX TDP 15W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,037

1,133

cinebench_cinebench_r15_singlecore

711

159

cinebench_cinebench_r20_multicore

20,989

4,722

cinebench_cinebench_r20_singlecore

2,963

666

cinebench_cinebench_r23_multicore

49,975

11,244

cinebench_cinebench_r23_singlecore

7,055

1,587

passmark_data_compression

1,195,584

147,320

passmark_data_encryption

86,397

9,262

passmark_extended_instructions

68,841

8,231

passmark_find_prime_numbers

496

40

passmark_floating_point_math

181,887

32,618

passmark_integer_math

305,303

48,498

passmark_multithread

58,795

13,234

passmark_physics

5,098

789

passmark_random_string_sorting

114,871

16,934

passmark_single_thread

2,052

3,192

passmark_singlethread

2,052

3,192

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7642

i7-1255U

Core Specs

Cores

48

10 -79.2%

Threads

96

12 -87.5%

Base Clock (GHz)

2.4

1,700 +70733.3%

Boost Clock (GHz)

3.4

4.7 +38.2%

Frequency (GHz)

2.4

1,700 +70733.3%

Turbo Clock (GHz)

3.4

4.7 +38.2%

Multiplier

24

17 -29.2%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

96 KB (per core)

80 KB (per core)

L2 Cache

512 KB (per core)

1.25 MB (per core)

L3 Cache

256 MB (shared)

12 MB (shared)

Power

TDP (W)

225

15 -93.3%

PL1

—

15 W

PL2

—

55 W

Architecture

Architecture

Zen 2

Alder Lake

Codename

Rome

Alder Lake-U

Generation

EPYC (Zen 2 (Rome))

Core i7 (Alder Lake-U)

Process Size

7 nm

10 nm

Transistors

3,800 million

—

Die Size

74 mm²

—

Foundry

TSMC

Intel

Memory

Memory Support

DDR4

DDR4, DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

—

ECC Memory

Yes

No

DDR4 Speed

—

3200 MT/s

DDR5 Speed

—

4800 MT/s

Platform

Socket

AMD Socket SP3

Intel BGA 1744

PCIe

Gen 4

Gen 4, 20 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 2 E-Cores: 8

E-Core Frequency

—

1200 MHz up to 3.5 GHz

Graphics

Integrated Graphics

—

Iris Xe 96EU

Other

Market

Server/Workstation

Mobile

Production Status

Active

Active

Part Number

100-000000074

SRLFP

Package

FCLGA-4094

FC-BGA16F

Tj Max

—

100°C

View EPYC 7642 Details View Core i7-1255U Details