CPU Comparison

A

AMD

AMD

AMD EPYC 7643P

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 2023

VS

i

Intel

INTEL

Core i9-12900KS

CORE STATE Alder Lake-S

CORE SPECS 16 Cores / 24 Threads

CLOCK SPEED 3.4 Base / 5.5 GHz Turbo

CACHE 30 MB (shared)

MAX TDP 150W

ARCHITECTURE Alder Lake

nm

PROCESS 10 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore

6,623

3,744

cinebench_cinebench_r15_singlecore

934

528

cinebench_cinebench_r20_multicore

27,598

15,603

cinebench_cinebench_r20_singlecore

3,895

2,202

cinebench_cinebench_r23_multicore

65,710

37,152

cinebench_cinebench_r23_singlecore

9,276

5,245

passmark_data_compression

1,326,051

563,709

passmark_data_encryption

95,606

31,403

passmark_extended_instructions

67,398

35,089

passmark_find_prime_numbers

651

158

passmark_floating_point_math

216,592

111,429

passmark_integer_math

390,775

147,575

passmark_multithread

77,307

43,698

passmark_physics

8,002

2,437

passmark_random_string_sorting

160,274

60,539

passmark_single_thread

2,655

4,330

passmark_singlethread

2,655

4,330

3dmark_16_threads

N/A

10,316

3dmark_2_threads

N/A

2,212

3dmark_4_threads

N/A

4,320

3dmark_8_threads

N/A

7,872

3dmark_max_threads

N/A

11,897

3dmark_single_thread

N/A

1,121

geekbench_multicore

N/A

15,960

geekbench_singlecore

N/A

2,705

DETAILED SPECIFICATIONS

SPECIFICATION

EPYC 7643P

i9-12900KS

Core Specs

Cores

48

16 -66.7%

Threads

96

24 -75.0%

Base Clock (GHz)

2.3

3.4 +47.8%

Boost Clock (GHz)

3.6

5.5 +52.8%

Frequency (GHz)

2.3

3.4 +47.8%

Turbo Clock (GHz)

3.6

5.5 +52.8%

Multiplier

23

34 +47.8%

SMP CPUs

1

1 0.0%

Cache

L1 Cache

64 KB (per core)

80 KB (per core)

L2 Cache

512 KB (per core)

1.25 MB (per core)

L3 Cache

256 MB (shared)

30 MB (shared)

Power

TDP (W)

225

150 -33.3%

PL1

—

241 W

PL2

—

241 W

Configurable TDP

240 W

—

Architecture

Architecture

Zen 3

Alder Lake

Codename

Milan

Alder Lake-S

Generation

EPYC (Zen 3 (Milan))

Core i9 (Alder Lake-S)

Process Size

7 nm

10 nm

Transistors

33,200 million

—

Die Size

8x 81 mm²

215 mm²

Foundry

TSMC

Intel

Memory

Memory Support

DDR4

DDR4, DDR5

Memory Bus

Eight-channel

Dual-channel

Memory Bandwidth

204.8 GB/s

76.8 GB/s

ECC Memory

Yes

Yes

DDR4 Speed

—

3200 MT/s

Platform

Socket

AMD Socket SP3

Intel Socket 1700

Chipsets

—

Z690, W680, H670, Q670, B660, H610

PCIe

Gen 4, 128 Lanes(CPU only)

Gen 5, 16 Lanes(CPU only)

Intel Hybrid

Hybrid Cores

—

P-Cores: 8 E-Cores: 8

E-Core Frequency

—

2.5 GHz up to 4 GHz

P-Core Turbo

—

5.2 GHz

AMD Multi-Die

CCDs

8

—

Cores per CCD

8

—

IO Process Size

12 nm

—

Graphics

Integrated Graphics

—

UHD Graphics 770

Other

Market

Server/Workstation

Desktop

Production Status

Active

Active

Launch Price

$2722

$739

Part Number

100-000001285

SRLDD

Package

FCLGA-4094

FC-LGA16A

Tj Max

—

115°C

View EPYC 7643P Details View Core i9-12900KS Details