CPU Comparison

A

AMD

AMD

AMD EPYC 7643

CORE STATE Milan

CORE SPECS 48 Cores / 96 Threads

CLOCK SPEED 2.3 Base / 3.6 GHz Turbo

CACHE 256 MB (shared)

MAX TDP 225W

ARCHITECTURE Zen 3

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

A

AMD

AMD

Ryzen 9 7950X

CORE STATE Raphael

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 4.5 Base / 5.7 GHz Turbo

CACHE 64 MB (shared)

MAX TDP 170W

ARCHITECTURE Zen 4

nm

PROCESS 5 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

5,352

cinebench_cinebench_r15_singlecore

919

755

cinebench_cinebench_r20_multicore

27,149

22,304

cinebench_cinebench_r20_singlecore

3,832

3,148

cinebench_cinebench_r23_multicore

64,642

53,105

cinebench_cinebench_r23_singlecore

9,126

7,497

3dmark_16_threads

N/A

14,110

3dmark_2_threads

N/A

2,161

3dmark_4_threads

N/A

4,218

3dmark_8_threads

N/A

7,920

3dmark_max_threads

N/A

15,579

3dmark_single_thread

N/A

1,099

geekbench_multicore

N/A

19,364

geekbench_singlecore

N/A

2,980

passmark_data_compression

N/A

835,923

passmark_data_encryption

N/A

49,336

passmark_extended_instructions

N/A

62,131

passmark_find_prime_numbers

N/A

337

passmark_floating_point_math

N/A

138,004

passmark_integer_math

N/A

225,603

passmark_multithread

N/A

62,478

passmark_physics

N/A

3,102

passmark_random_string_sorting

N/A

98,501

passmark_single_thread

N/A

4,266

passmark_singlethread

N/A

4,266

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

9 7950X

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

2.3

4.5 +95.7%

Boost Clock (GHz)

3.6

5.7 +58.3%

Frequency (GHz)

2.3

4.5 +95.7%

Turbo Clock (GHz)

3.6

5.7 +58.3%

Multiplier

23

45 +95.7%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 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

170 -24.4%

PPT

—

230 W

Configurable TDP

240 W

—

Architecture

Architecture

Zen 3

Zen 4

Codename

Milan

Raphael

Generation

EPYC (Zen 3 (Milan))

Ryzen 9 (Zen 4 (Raphael))

Process Size

7 nm

5 nm

Transistors

33,200 million

13,140 million

Die Size

8x 81 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 AM5

Chipsets

—

X670E, X670, B650E, B650, A620

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 24 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

6

—

IO Process Size

12 nm

6 nm

Graphics

Integrated Graphics

—

Radeon Graphics

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

$4995

$699

Part Number

100-000000326100-100000326WOF

100-000000514

Package

FCLGA-4094

FC-LGA1718

Tj Max

—

100°C

View EPYC 7643 Details View Ryzen 9 7950X Details