Intel Xeon 656 vs Intel Core Ultra 7 255HX
CPU Specs Compare
General Parameters
Release Date
Feb 2026
Jan 2025
Manufacturer
Intel
Intel
Type
Server
Laptop
Core Architecture
Granite Rapids
Arrow Lake
Integrated Graphics
N/A
Arc Graphics (4-Cores)
Generation
Xeon 600 (Granite Rapids-WS)
Ultra 7 (Arrow Lake)
Series
Intel Xeon 6 processors
-
Instruction Set
-
x86-64
Processor Number
-
255HX
Package
Manufacturing Process
5 nm
3 nm
Socket
Intel Socket 4710
FCBGA-2114
Power Consumption
210 W
45-55 W
Peak Operating Temperature
98°C
105 °C
Foundry
Intel
Intel
Die Size
2x598 mm²
-
I/O Process Size
10 nm
-
I/O Die Size
2x 241
-
Package
FC-LGA18N
FC-LGA18V
Max Turbo Power Consumption
-
160 W
CPU Performance
Performance Cores
20
8
Performance Core Threads
40
8
Performance Core Base Frequency
2.9 GHz
2.4 GHz
Performance Core Turbo Frequency
4.8 GHz
5.2 GHz
Total Core Count
20
20
Total Thread Count
40
20
Bus Frequency
100 MHz
100 MHz
Multiplier
29.0
24
L1 Cache
112 KB per core
112 K per core
L2 Cache
2 MB per core
2 MB per core
L3 Cache
72 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
1
Efficiency Cores
-
12
Efficiency Core Threads
-
12
Efficiency Core Base Frequency
-
1.8 GHz
Efficiency Core Turbo Frequency
-
4.5 GHz
Memory Parameters
Memory Types
DDR5-6400
DDR5-6400
Max Memory Size
4 TB
192 GB
Max Memory Channels
8
2
Max Memory Bandwidth
409.6 GB/s
102.4 GB/s
ECC Memory Support
Yes
Yes
Graphics Card Parameters
Integrated Graphics
-
true
GPU Base Frequency
-
300 MHz
GPU Max Dynamic Frequency
-
1850 MHz
Shader Units
-
512
Texture Units
-
32
Raster Operation Units
-
16
Execution Units
-
64
Power Consumption
-
14
📊 Benchmark
Cinebench R23
-
2,030
Cinebench R23
-
25,611
Geekbench 6
-
3,102
Geekbench 6
-
15,879
Cinebench 2024
-
132
Cinebench 2024
-
1,590