AMD Ryzen 9 3900XT vs Intel Xeon 6756P-B
CPU Specs Compare
General Parameters
Release Date
Jul 2020
Dec 2025
Manufacturer
AMD
Intel
Type
Desktop
Server
Instruction Set
x86-64
-
Core Architecture
Zen 2 (Matisse)
Granite Rapids
Integrated Graphics
No
N/A
Generation
-
Xeon 6 (Granite Rapids-D)
Package
Transistor Count
3.8 billions
-
Manufacturing Process
7 nm
5 nm
Socket
AM4
Intel BGA 5026
Power Consumption
105 W
325 W
Peak Operating Temperature
95°C
-
Foundry
-
Intel
Die Size
-
2x598 mm²
I/O Process Size
-
10 nm
Package
-
FC-BGA18N
CPU Performance
Performance Cores
12
-
Performance Core Threads
24
-
Performance Core Base Frequency
3.8 GHz
2.2 GHz
Performance Core Turbo Frequency
4.7 GHz
3.5 GHz
Total Core Count
12
64
Total Thread Count
24
128
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
22.0
L1 Cache
64 K per core
112 KB per core
L2 Cache
512 K per core
2 MB per core
L3 Cache
64 MB shared
256 MB shared
Unlocked Multiplier
Yes
No
SMP
-
1
Memory Parameters
Memory Types
DDR4-3200
DDR5-6400
Max Memory Size
128 GB
2.25 TB
Max Memory Channels
2
8
Max Memory Bandwidth
47.68 GB/s
-
ECC Memory Support
Yes
Yes
Miscellaneous
📊 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
-