Intel Xeon 656 vs Intel Core i9 9940X
CPU Specs Compare
General Parameters
Release Date
Feb 2026
Oct 2018
Manufacturer
Intel
Intel
Type
Server
Desktop
Core Architecture
Granite Rapids
Skylake
Integrated Graphics
N/A
N/A
Generation
Xeon 600 (Granite Rapids-WS)
-
Series
Intel Xeon 6 processors
-
Instruction Set
-
x86-64
Processor Number
-
i9-9940X
Package
Manufacturing Process
5 nm
14 nm
Socket
Intel Socket 4710
LGA-2066
Power Consumption
210 W
165 W
Peak Operating Temperature
98°C
88 °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
20
14
Performance Core Threads
40
28
Performance Core Base Frequency
2.9 GHz
3.3 GHz
Performance Core Turbo Frequency
4.8 GHz
4.4 GHz
Total Core Count
20
14
Total Thread Count
40
28
Bus Frequency
100 MHz
100 MHz
Multiplier
29.0
33x
L1 Cache
112 KB per core
64 K per core
L2 Cache
2 MB per core
1 MB per core
L3 Cache
72 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
-
Memory Parameters
Memory Types
DDR5-6400
DDR4-2666
Max Memory Size
4 TB
128 GB
Max Memory Channels
8
4
Max Memory Bandwidth
409.6 GB/s
85 GB/s
ECC Memory Support
Yes
No
Miscellaneous
📊 Benchmark
Cinebench R23
-
1,228
Cinebench R23
-
15,351
Geekbench 6
-
1,328
Geekbench 5
-
1,189
Geekbench 6
-
9,787
Geekbench 5
-
14,374