CPU Comparison

i

Intel

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

VS

i

Intel

INTEL

Xeon 658X

CORE STATE Granite Rapids

CORE SPECS 24 Cores / 48 Threads

CLOCK SPEED 3 Base / 4.9 GHz Turbo

CACHE 144 MB (shared)

MAX TDP 250W

ARCHITECTURE Granite Rapids

nm

PROCESS 5 nm

LAUNCH DATE 2026

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

5,711

6,296

cinebench_cinebench_r15_singlecore

806

888

cinebench_cinebench_r20_multicore

23,796

26,235

cinebench_cinebench_r20_singlecore

3,359

3,703

cinebench_cinebench_r23_multicore

56,658

62,466

cinebench_cinebench_r23_singlecore

7,998

8,818

passmark_data_compression

967,721

1,062,062

passmark_data_encryption

51,221

52,357

passmark_extended_instructions

72,820

84,626

passmark_find_prime_numbers

560

649

passmark_floating_point_math

178,828

210,480

passmark_integer_math

246,263

263,995

passmark_multithread

66,657

73,490

passmark_physics

5,972

6,470

passmark_random_string_sorting

104,517

103,028

passmark_single_thread

3,238

3,728

passmark_singlethread

3,238

3,728

DETAILED SPECIFICATIONS

SPECIFICATION

6521P

658X

Core Specs

Cores

24

24 0.0%

Threads

48

48 0.0%

Base Clock (GHz)

2.6

3 +15.4%

Boost Clock (GHz)

4.1

4.9 +19.5%

Frequency (GHz)

2.6

3 +15.4%

Turbo Clock (GHz)

4.1

4.9 +19.5%

Multiplier

26

30 +15.4%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

112 KB (per core)

112 KB (per core)

L2 Cache

2 MB (per core)

2 MB (per core)

L3 Cache

144 MB (shared)

144 MB (shared)

Power

TDP (W)

225

250 +11.1%

Architecture

Architecture

Granite Rapids

Granite Rapids

Codename

Granite Rapids

Granite Rapids

Generation

Xeon 6 (Granite Rapids-SP)

Xeon 600 (Granite Rapids-WS)

Process Size

5 nm

5 nm

Die Size

598 mm²

2x 598 mm²

Foundry

Intel

Intel

Memory

Memory Support

DDR5

DDR5

Memory Bus

Eight-channel

Eight-channel

Memory Bandwidth

409.6 GB/s

409.6 GB/s

ECC Memory

Yes

Yes

Platform

Socket

Intel Socket 4710

Intel Socket 4710

Chipsets

—

W890

PCIe

Gen 5, 136 Lanes(CPU only)

Gen 5, 128 Lanes(CPU only)

AMD Multi-Die

IO Process Size

10 nm

10 nm

Interconnect

CXL

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

Gen 2.0 (Shared with PCI-E)

Other

Market

Server/Workstation

Server/Workstation

Production Status

Active

Active

Launch Price

$1250

$1699

Part Number

SRVNS

SA2D2

Package

FC-LGA18N

FC-LGA18N

Tj Max

100°C

99°C

Bundled Cooler

None

None

View Xeon 6521P Details View Xeon 658X Details