CPU Comparison

A

AMD

AMD

AMD Ryzen 9 3900X

CORE STATE Matisse

CORE SPECS 12 Cores / 24 Threads

CLOCK SPEED 3.8 Base / 4.6 GHz Turbo

CACHE 64 MB

MAX TDP 105W

ARCHITECTURE Zen 2

nm

PROCESS 7 nm

LAUNCH DATE 2019

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

2,788

4,966

cinebench_cinebench_r15_singlecore

393

701

cinebench_cinebench_r20_multicore

11,618

20,695

cinebench_cinebench_r20_singlecore

1,640

2,921

cinebench_cinebench_r23_multicore

27,662

49,274

cinebench_cinebench_r23_singlecore

3,905

6,956

geekbench_multicore

9,924

N/A

geekbench_singlecore

1,708

N/A

passmark_data_compression

448,906

840,355

passmark_data_encryption

28,586

47,452

passmark_extended_instructions

29,221

57,751

passmark_find_prime_numbers

214

437

passmark_floating_point_math

58,434

155,294

passmark_integer_math

99,628

214,076

passmark_multithread

32,544

57,970

passmark_physics

1,794

4,105

passmark_random_string_sorting

48,300

98,119

passmark_single_thread

2,703

2,829

passmark_singlethread

2,703

2,829

DETAILED SPECIFICATIONS

SPECIFICATION

9 3900X

6521P

Core Specs

Cores

12

24 +100.0%

Threads

24

48 +100.0%

Base Clock (GHz)

3.8

2.6 -31.6%

Boost Clock (GHz)

4.6

4.1 -10.9%

Frequency (GHz)

3.8

2.6 -31.6%

Turbo Clock (GHz)

4.6

4.1 -10.9%

Multiplier

38

26 -31.6%

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)

105

225 +114.3%

PPT

142 W

—

Architecture

Architecture

Zen 2

Granite Rapids

Codename

Matisse

Granite Rapids

Generation

Ryzen 9 (Zen 2 (Matisse))

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

Dual-channel

Eight-channel

Memory Bandwidth

51.2 GB/s

409.6 GB/s

ECC Memory

No

Yes

Platform

Socket

AMD Socket AM4

Intel Socket 4710

Chipsets

A300, X300, A320, B350, X370, B450, X470, A520, B550, X570

—

PCIe

Gen 4, 24 Lanes(CPU only)

Gen 5, 136 Lanes(CPU only)

AMD Multi-Die

IO Process Size

12 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

$499

$1250

Part Number

100-000000023100-100000023BOX100-100000023MPK

SRVNS

Package

µOPGA-1331

FC-LGA18N

Tj Max

—

100°C

Bundled Cooler

—

None

View Ryzen 9 3900X Details View Xeon 6521P Details