AMD EPYC 7742 vs AMD Ryzen 9 3900XT
CPU Specs Compare
General Parameters
Release Date
Aug 2019
Jul 2020
Manufacturer
AMD
AMD
Type
Server
Desktop
Core Architecture
Rome
Zen 2 (Matisse)
Integrated Graphics
N/A
No
Generation
EPYC (Zen 2 (Rome))
-
Instruction Set
-
x86-64
Package
Transistor Count
3.8 billions
3.8 billions
Manufacturing Process
7 nm
7 nm
Socket
AMD Socket SP3
AM4
Power Consumption
225 W
105 W
Foundry
TSMC
-
Die Size
74 mm²
-
Package
FCLGA-4094
-
Peak Operating Temperature
-
95°C
CPU Performance
Performance Core Base Frequency
2.25 GHz
3.8 GHz
Performance Core Turbo Frequency
3.4 GHz
4.7 GHz
Total Core Count
64
12
Total Thread Count
128
24
Bus Frequency
100 MHz
100 MHz
Multiplier
22.5
38x
L1 Cache
96 K per core
64 K per core
L2 Cache
512 K per core
512 K per core
L3 Cache
256 MB shared
64 MB shared
Unlocked Multiplier
No
Yes
SMP
2
-
Performance Cores
-
12
Performance Core Threads
-
24
Memory Parameters
Memory Types
DDR4-3200
DDR4-3200
Max Memory Channels
8
2
ECC Memory Support
Yes
Yes
Max Memory Size
-
128 GB
Max Memory Bandwidth
-
47.68 GB/s
Miscellaneous
📊 Benchmark
Geekbench 6
404
1,763
Geekbench 6
170
11,025
Cinebench R23
-
1,350
Cinebench R23
-
18,437
Geekbench 5
-
1,311
Geekbench 5
-
12,279
Blender
-
261
Passmark CPU
-
2,769
Passmark CPU
-
32,856