CPU Comparison

i

Intel

INTEL

Intel Core i9-9900K

CORE STATE Coffee Lake-R

CORE SPECS 8 Cores / 16 Threads

CLOCK SPEED 3.6 Base / 5 GHz Turbo

CACHE 16 MB (shared)

MAX TDP 95W

ARCHITECTURE Coffee Lake

nm

PROCESS 14 nm

LAUNCH DATE 2018

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

1,555

4,966

cinebench_cinebench_r15_singlecore

219

701

cinebench_cinebench_r20_multicore

6,480

20,695

cinebench_cinebench_r20_singlecore

914

2,921

cinebench_cinebench_r23_multicore

15,429

49,274

cinebench_cinebench_r23_singlecore

2,178

6,956

geekbench_multicore

8,050

N/A

geekbench_singlecore

1,702

N/A

passmark_data_compression

283,506

840,355

passmark_data_encryption

6,430

47,452

passmark_extended_instructions

18,965

57,751

passmark_find_prime_numbers

47

437

passmark_floating_point_math

41,036

155,294

passmark_integer_math

66,134

214,076

passmark_multithread

18,153

57,970

passmark_physics

934

4,105

passmark_random_string_sorting

36,238

98,119

passmark_single_thread

2,919

2,829

passmark_singlethread

2,919

2,829

DETAILED SPECIFICATIONS

SPECIFICATION

i9-9900K

6521P

Core Specs

Cores

8

24 +200.0%

Threads

16

48 +200.0%

Base Clock (GHz)

3.6

2.6 -27.8%

Boost Clock (GHz)

5

4.1 -18.0%

Frequency (GHz)

3.6

2.6 -27.8%

Turbo Clock (GHz)

5

4.1 -18.0%

Multiplier

36

26 -27.8%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

112 KB (per core)

L2 Cache

256 KB (per core)

2 MB (per core)

L3 Cache

16 MB (shared)

144 MB (shared)

Power

TDP (W)

95

225 +136.8%

PL1

95 W

—

PL2

119 W

—

Architecture

Architecture

Coffee Lake

Granite Rapids

Codename

Coffee Lake-R

Granite Rapids

Generation

Core i9 (Coffee Lake Refresh)

Xeon 6 (Granite Rapids-SP)

Process Size

14 nm

5 nm

Die Size

180.3 mm²

598 mm²

Foundry

Intel

Intel

Memory

Memory Support

DDR4

DDR5

Memory Bus

Dual-channel

Eight-channel

Memory Bandwidth

42.7 GB/s

409.6 GB/s

ECC Memory

No

Yes

Platform

Socket

Intel Socket 1151

Intel Socket 4710

PCIe

Gen 3, 16 Lanes(CPU only)

Gen 5, 136 Lanes(CPU only)

AMD Multi-Die

IO Process Size

—

10 nm

Interconnect

CXL

—

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

Graphics

Integrated Graphics

UHD Graphics 630

—

Other

Market

Desktop

Server/Workstation

Production Status

End-of-life

Active

Launch Price

$488

$1250

Part Number

SRG19SRELS

SRVNS

Package

FC-LGA14C

FC-LGA18N

Tj Max

100°C

100°C

Bundled Cooler

—

None

View Core i9-9900K Details View Xeon 6521P Details