CPU Comparison

A

AMD

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

VS

i

Intel

INTEL

Xeon 6521P

CORE STATE Granite Rapids

CORE SPECS 24 Cores / 48 Threads

CLOCK SPEED 2.6 Base / 4.1 GHz Turbo

CACHE 144 MB (shared)

MAX TDP 225W

ARCHITECTURE Granite Rapids

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

3,440

4,966

cinebench_cinebench_r15_singlecore

485

701

cinebench_cinebench_r20_multicore

14,335

20,695

cinebench_cinebench_r20_singlecore

2,023

2,921

cinebench_cinebench_r23_multicore

34,131

49,274

cinebench_cinebench_r23_singlecore

4,818

6,956

geekbench_multicore

12,523

N/A

geekbench_singlecore

1,684

N/A

passmark_data_compression

601,738

840,355

passmark_data_encryption

38,058

47,452

passmark_extended_instructions

38,952

57,751

passmark_find_prime_numbers

198

437

passmark_floating_point_math

77,979

155,294

passmark_integer_math

132,456

214,076

passmark_multithread

40,155

57,970

passmark_physics

2,460

4,105

passmark_random_string_sorting

63,758

98,119

passmark_single_thread

2,679

2,829

passmark_singlethread

2,679

2,829

DETAILED SPECIFICATIONS

SPECIFICATION

Threadripper PRO 3955WX

6521P

Core Specs

Cores

16

24 +50.0%

Threads

32

48 +50.0%

Base Clock (GHz)

3.9

2.6 -33.3%

Boost Clock (GHz)

4.3

4.1 -4.7%

Frequency (GHz)

3.9

2.6 -33.3%

Turbo Clock (GHz)

4.3

4.1 -4.7%

Multiplier

39

26 -33.3%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

112 KB (per core)

L2 Cache

512 KB (per core)

2 MB (per core)

L3 Cache

64 MB

144 MB (shared)

Power

TDP (W)

280

225 -19.6%

Architecture

Architecture

Zen 2

Granite Rapids

Codename

Castle Peak

Granite Rapids

Generation

Ryzen Threadripper (Zen 2 (Castle Peak))

Xeon 6 (Granite Rapids-SP)

Process Size

7 nm

5 nm

Transistors

7,600 million

—

Die Size

2x 74 mm²

598 mm²

Foundry

TSMC

Intel

Memory

Memory Support

DDR4

DDR5

Memory Bus

Eight-channel

Eight-channel

Memory Bandwidth

204.8 GB/s

409.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

AMD Socket WRX8

Intel Socket 4710

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 136 Lanes(CPU only)

AMD Multi-Die

IO Process Size

14 nm

10 nm

Interconnect

CXL

—

Gen 2.0, 64 Lanes (Shared with PCI-E)

Other

Market

Desktop

Server/Workstation

Production Status

Active

Active

Launch Price

$1149

$1250

Part Number

100-000000167

SRVNS

Package

sWRX8

FC-LGA18N

Tj Max

—

100°C

Bundled Cooler

—

None

View Ryzen Threadripper PRO 3955WX Details View Xeon 6521P Details