AMD EPYC 8635P vs AMD Ryzen 9 3900XT
CPU · Specs Compare
General Parameters
Release Date
May 2026
Jul 2020
Manufacturer
AMD
AMD
Type
Server
Desktop
Core Architecture
Sorano
Zen 2 (Matisse)
Integrated Graphics
N/A
No
Generation
EPYC (Zen 5 (Sorano))
—
Instruction Set
—
x86-64
Package
Transistor Count
99.78 billions
3.8 billions
Manufacturing Process
4 nm
7 nm
Socket
AMD Socket SP6
AM4
Power Consumption
225 W
105 W
Foundry
TSMC
—
Die Size
12x70.6 mm²
—
I/O Process Size
6 nm
—
Package
FC-LGA4844
—
Peak Operating Temperature
—
95°C
CPU Performance
Performance Core Base Frequency
1.6 GHz
3.8 GHz
Performance Core Turbo Frequency
4.5 GHz
4.7 GHz
Total Core Count
84
12
Total Thread Count
168
24
Bus Frequency
100 MHz
100 MHz
Multiplier
16.0
38x
L1 Cache
80 KB per core
64 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
384 MB
64 MB shared
Unlocked Multiplier
No
Yes
SMP
1
—
Performance Cores
—
12
Performance Core Threads
—
24
Memory Parameters
Memory Types
DDR5-6400
DDR4-3200
Max Memory Channels
6
2
Max Memory Bandwidth
307.2 GB/s
47.68 GB/s
ECC Memory Support
Yes
Yes
Max Memory Size
—
128 GB
Miscellaneous
PCIe Version
5
4.0
PCIe Lanes
96
24
Benchmark
Cinebench R23
—
1,350
Cinebench R23
—
18,437
Geekbench 6
—
1,763
Geekbench 5
—
1,311
Geekbench 6
—
11,025
Geekbench 5
—
12,279
Blender
—
261
Passmark CPU
—
2,769
Passmark CPU
—
32,856
▲ Specs Compare
Data sourced from official specifications and benchmark tests.