AMD EPYC 7643 vs Intel Xeon D 1521

VS

AMD EPYC 7643

Intel Xeon D-1521

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Intel Xeon D 1521 with 4 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages

Released 5 years and 4 months late

Higher specification of memory (3200 vs 4)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 1.5MB)

More modern manufacturing process (7nm vs 14nm)

Intel Xeon D 1521 's Advantages

Higher base frequency (2.4GHz vs 2.3GHz)

Lower TDP (45W vs 225W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7643 +89%

1696

Intel Xeon D 1521

896

Geekbench 6 Multi Core

AMD EPYC 7643 +204%

9939

Intel Xeon D 1521

3261

AMD EPYC 7643

VS

Intel Xeon D 1521

General Parameters

Mar 2021

Release Date

Nov 2015

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Broadwell

AMD Socket SP3

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon D (Broadwell-DE)

Package

33.2 billions

Transistor Count

3.2 billions

7 nm

Manufacturing Process

14 nm

225 W

Power Consumption

45 W

-

Peak Operating Temperature

80 °C

TSMC

Foundry

Intel

8x81 mm²

Die Size

246 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.4 GHz

3.6 GHz

Performance Core Turbo Frequency

2.7 GHz

48

Total Core Count

4

96

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

24.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

256 K per core

256 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR3,DDR4

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

24

Related CPU Comparisons

1

AMD EPYC 7643 vs Xeon D 2752TER

2

AMD EPYC 7643 vs AMD EPYC 7251

3

AMD EPYC 7643 vs Intel Xeon E3 1578L v5

4

AMD EPYC 7643 vs Intel Xeon E3 1265L v2

5

AMD EPYC 7643 vs Intel Xeon Phi 3120P

6

AMD EPYC 7643 vs Intel Xeon E5 2630 v2

7

AMD EPYC 7643 vs Intel Xeon L5618

8

AMD EPYC 7643 vs Intel Xeon Silver 4309Y

9

AMD EPYC 7643 vs Intel Xeon E5 2618L v3

10

AMD EPYC 7643 vs Opteron 8220 SE (F3)

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game