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 5 PRO 8645HS

CORE STATE Hawk Point

CORE SPECS 6 Cores / 12 Threads

CLOCK SPEED 4.3 Base / 5 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 45W

ARCHITECTURE Zen 4

nm

PROCESS 4 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,923

1,989

cinebench_cinebench_r15_singlecore

836

280

cinebench_cinebench_r20_multicore

24,682

8,291

cinebench_cinebench_r20_singlecore

3,484

1,170

cinebench_cinebench_r23_multicore

58,769

19,742

cinebench_cinebench_r23_singlecore

8,296

2,787

passmark_data_compression

N/A

251,816

passmark_data_encryption

N/A

17,154

passmark_extended_instructions

N/A

20,803

passmark_find_prime_numbers

N/A

77

passmark_floating_point_math

N/A

43,231

passmark_integer_math

N/A

69,017

passmark_multithread

N/A

23,227

passmark_physics

N/A

1,338

passmark_random_string_sorting

N/A

35,316

passmark_single_thread

N/A

3,830

passmark_singlethread

N/A

3,830

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7742

5 PRO 8645HS

Core Specs

Cores

64

6 -90.6%

Threads

128

12 -90.6%

Base Clock (GHz)

2.25

4.3 +91.1%

Boost Clock (GHz)

3.4

5 +47.1%

Frequency (GHz)

2.25

4.3 +91.1%

Turbo Clock (GHz)

3.4

5 +47.1%

Multiplier

22.5

43 +91.1%

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

45 -80.0%

Configurable TDP

—

35-54 W

Architecture

Architecture

Zen 2

Zen 4

Codename

Rome

Hawk Point

Generation

EPYC (Zen 2 (Rome))

Ryzen 5 (Zen 4 (Hawk Point))

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 FP7

PCIe

Gen 4

Gen 4, 20 Lanes(CPU only)

AI/NPU

XDNA NPU

—

16 TOPS

Graphics

Integrated Graphics

—

Radeon 760M

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Part Number

100-000000053

100-000001315(FP7r2),100-000001388(FP7)

Package

FCLGA-4094

FP7, FP7r2

Tj Max

—

100°C

View EPYC 7742 Details View Ryzen 5 PRO 8645HS Details