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 Threadripper PRO 3955WX

CORE STATE Castle Peak

CORE SPECS 16 Cores / 32 Threads

CLOCK SPEED 3.9 Base / 4.3 GHz Turbo

CACHE 64 MB

MAX TDP 280W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,515

3,440

cinebench_cinebench_r15_singlecore

919

485

cinebench_cinebench_r20_multicore

27,149

14,335

cinebench_cinebench_r20_singlecore

3,832

2,023

cinebench_cinebench_r23_multicore

64,642

34,131

cinebench_cinebench_r23_singlecore

9,126

4,818

geekbench_multicore

N/A

12,523

geekbench_singlecore

N/A

1,684

passmark_data_compression

N/A

601,738

passmark_data_encryption

N/A

38,058

passmark_extended_instructions

N/A

38,952

passmark_find_prime_numbers

N/A

198

passmark_floating_point_math

N/A

77,979

passmark_integer_math

N/A

132,456

passmark_multithread

N/A

40,155

passmark_physics

N/A

2,460

passmark_random_string_sorting

N/A

63,758

passmark_single_thread

N/A

2,679

passmark_singlethread

N/A

2,679

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643

Threadripper PRO 3955WX

Core Specs

Cores

48

16 -66.7%

Threads

96

32 -66.7%

Base Clock (GHz)

2.3

3.9 +69.6%

Boost Clock (GHz)

3.6

4.3 +19.4%

Frequency (GHz)

2.3

3.9 +69.6%

Turbo Clock (GHz)

3.6

4.3 +19.4%

Multiplier

23

39 +69.6%

SMP CPUs

2

1 -50.0%

Cache

L1 Cache

64 KB (per core)

64 KB (per core)

L2 Cache

512 KB (per core)

512 KB (per core)

L3 Cache

256 MB (shared)

64 MB

Power

TDP (W)

225

280 +24.4%

Configurable TDP

240 W

—

Architecture

Architecture

Zen 3

Zen 2

Codename

Milan

Castle Peak

Generation

EPYC (Zen 3 (Milan))

Ryzen Threadripper (Zen 2 (Castle Peak))

Process Size

7 nm

7 nm

Transistors

33,200 million

7,600 million

Die Size

8x 81 mm²

2x 74 mm²

Foundry

TSMC

TSMC

Memory

Memory Support

DDR4

DDR4

Memory Bus

Eight-channel

Eight-channel

Memory Bandwidth

204.8 GB/s

204.8 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket SP3

AMD Socket WRX8

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 4, 128 Lanes(CPU only)

AMD Multi-Die

CCDs

8

—

Cores per CCD

6

—

IO Process Size

12 nm

14 nm

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

$4995

$1149

Part Number

100-000000326100-100000326WOF

100-000000167

Package

FCLGA-4094

sWRX8

View EPYC 7643 Details View Ryzen Threadripper PRO 3955WX Details