AMD Ryzen 9 3900X vs Intel Xeon 678X
CPU · Specs Compare
General Parameters
Release Date
Jul 2019
Feb 2026
Manufacturer
AMD
Intel
Type
Desktop
Server
Instruction Set
x86-64
—
Core Architecture
Zen 2
Granite Rapids
Integrated Graphics
N/A
N/A
Generation
—
Xeon 600 (Granite Rapids-WS)
Series
—
Intel Xeon 6 processors
Package
Transistor Count
3.8 billions
—
Manufacturing Process
7 nm
5 nm
Socket
AM4
Intel Socket 4710
Power Consumption
105 W
300 W
Peak Operating Temperature
95 °C
98°C
Foundry
—
Intel
Die Size
—
2x598 mm²
I/O Process Size
—
10 nm
I/O Die Size
—
2x 241
Package
—
FC-LGA18N
CPU Performance
Performance Cores
12
48
Performance Core Threads
24
96
Performance Core Base Frequency
3.8 GHz
2.4 GHz
Performance Core Turbo Frequency
4.6 GHz
4.9 GHz
Total Core Count
12
48
Total Thread Count
24
96
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
24.0
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
192 MB shared
Unlocked Multiplier
Yes
Yes
SMP
—
1
Memory Parameters
Memory Types
DDR4-3200
DDR5-6400
Max Memory Size
128 GB
4 TB
Max Memory Channels
2
8
Max Memory Bandwidth
47.68 GB/s
409.6 GB/s
ECC Memory Support
Yes
Yes
Miscellaneous
PCIe Version
4.0
5
PCIe Lanes
16
128
Benchmark
Cinebench R23
1,306
—
Cinebench R23
18,454
—
Geekbench 6
1,842
2,986
Geekbench 5
1,319
—
Geekbench 6
11,715
34,711
Geekbench 5
11,991
—
Cinebench 2024
78
—
Cinebench 2024
1,068
—
Passmark CPU
2,683
—
Passmark CPU
32,531
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.