AMD EPYC 7663 vs AMD Ryzen Threadripper Pro 3945WX

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AMD EPYC 7663 AMD Ryzen Threadripper Pro 3945WX

We compared the desktop AMD EPYC 7663 with 56 cores 2GHz and the AMD Ryzen Threadripper Pro 3945WX with 12 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663 's Advantages

Released 8 months late

Larger L3 cache size (256MB vs 64MB)

Lower TDP (240W vs 280W)

AMD Ryzen Threadripper Pro 3945WX 's Advantages

Newer PCIe version (4.0 vs 4)

Higher base frequency (4.0GHz vs 2GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7663

777

AMD Ryzen Threadripper Pro 3945WX +100%

1561

Geekbench 6 Multi Core

AMD EPYC 7663

6330

AMD Ryzen Threadripper Pro 3945WX +73%

10957

AMD EPYC 7663

VS

AMD Ryzen Threadripper Pro 3945WX

General Parameters

Mar 2021

Release Date

Jul 2020

AMD

Manufacturer

AMD

Server

Type

Desktop

-

Instruction Set

x86-64

Milan

Core Architecture

Zen 2

AMD Socket SP3

Socket

sWRX8

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

-

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

7 nm

AMD Socket SP3

Socket

sWRX8

240 W

Power Consumption

280 W

-

Peak Operating Temperature

90 °C

TSMC

Foundry

-

8x81 mm²

Die Size

-

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

FCLGA-4094

Package

-

CPU Performance

-

Performance Cores

12

-

Performance Core Threads

24

2 GHz

Performance Core Base Frequency

4.0 GHz

3.5 GHz

Performance Core Turbo Frequency

4.3 GHz

56

Total Core Count

12

112

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

40x

64 KB per core

L1 Cache

96 K per core

512 KB per core

L2 Cache

512 K per core

256 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

7

Cores per CCD

-

2

SMP

-

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

-

Max Memory Size

2048 GB

8

Max Memory Channels

8

-

Max Memory Bandwidth

204.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD Ryzen Threadripper Pro 3945WX

4

PCIe Version

4.0

128

PCIe Lanes

128

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