Intel Xeon 656 vs AMD Ryzen 9 3900XT
CPU Specs Compare
General Parameters
Release Date
Feb 2026
Jul 2020
Manufacturer
Intel
AMD
Type
Server
Desktop
Core Architecture
Granite Rapids
Zen 2 (Matisse)
Integrated Graphics
N/A
No
Generation
Xeon 600 (Granite Rapids-WS)
-
Series
Intel Xeon 6 processors
-
Instruction Set
-
x86-64
Package
Manufacturing Process
5 nm
7 nm
Socket
Intel Socket 4710
AM4
Power Consumption
210 W
105 W
Peak Operating Temperature
98°C
95°C
Foundry
Intel
-
Die Size
2x598 mm²
-
I/O Process Size
10 nm
-
I/O Die Size
2x 241
-
Package
FC-LGA18N
-
Transistor Count
-
3.8 billions
CPU Performance
Performance Cores
20
12
Performance Core Threads
40
24
Performance Core Base Frequency
2.9 GHz
3.8 GHz
Performance Core Turbo Frequency
4.8 GHz
4.7 GHz
Total Core Count
20
12
Total Thread Count
40
24
Bus Frequency
100 MHz
100 MHz
Multiplier
29.0
38x
L1 Cache
112 KB per core
64 K per core
L2 Cache
2 MB per core
512 K per core
L3 Cache
72 MB shared
64 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
-
Memory Parameters
Memory Types
DDR5-6400
DDR4-3200
Max Memory Size
4 TB
128 GB
Max Memory Channels
8
2
Max Memory Bandwidth
409.6 GB/s
47.68 GB/s
ECC Memory Support
Yes
Yes
📊 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