Intel Xeon 678X vs AMD Ryzen 9 3950X
CPU · Specs Compare
General Parameters
Release Date
Feb 2026
Nov 2019
Manufacturer
Intel
AMD
Type
Server
Desktop
Core Architecture
Granite Rapids
Zen 2
Integrated Graphics
N/A
N/A
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
300 W
105 W
Peak Operating Temperature
98°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
48
16
Performance Core Threads
96
32
Performance Core Base Frequency
2.4 GHz
3.5 GHz
Performance Core Turbo Frequency
4.9 GHz
4.7 GHz
Total Core Count
48
16
Total Thread Count
96
32
Bus Frequency
100 MHz
100 MHz
Multiplier
24.0
35x
L1 Cache
112 KB per core
64 K per core
L2 Cache
2 MB per core
512 K per core
L3 Cache
192 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
Miscellaneous
PCIe Version
5
4.0
PCIe Lanes
128
16
Benchmark
Geekbench 6
2,986
1,709
Geekbench 6
34,711
11,656
Cinebench R23
—
1,349
Cinebench R23
—
24,396
Cinebench 2024
—
72
Cinebench 2024
—
1,325
Passmark CPU
—
2,692
Passmark CPU
—
38,953
▲ Specs Compare
Data sourced from official specifications and benchmark tests.