Intel Xeon 678X vs Intel Core Ultra 7 255U
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)
-
Series
Intel Xeon 6 processors
-
Instruction Set
-
x86-64
Processor Number
-
255U
Package
Manufacturing Process
5 nm
3 nm
Socket
Intel Socket 4710
FCBGA-2049
Power Consumption
300 W
12-15 W
Peak Operating Temperature
98°C
110 °C
Foundry
Intel
-
Die Size
2x598 mm²
-
I/O Process Size
10 nm
-
I/O Die Size
2x 241
-
Package
FC-LGA18N
-
Max Turbo Power Consumption
-
57 W
CPU Performance
Performance Cores
48
2
Performance Core Threads
96
4
Performance Core Base Frequency
2.4 GHz
2.0 GHz
Performance Core Turbo Frequency
4.9 GHz
5.2 GHz
Total Core Count
48
12
Total Thread Count
96
14
Bus Frequency
100 MHz
100 MHz
Multiplier
24.0
20
L1 Cache
112 KB per core
112 K per core
L2 Cache
2 MB per core
2 MB per core
L3 Cache
192 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
SMP
1
-
Efficiency Cores
-
10
Efficiency Core Threads
-
10
Efficiency Core Base Frequency
-
1.7 GHz
Efficiency Core Turbo Frequency
-
4.2 GHz
Memory Parameters
Memory Types
DDR5-6400
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
4 TB
128 GB
Max Memory Channels
8
2
Max Memory Bandwidth
409.6 GB/s
-
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
-
true
GPU Max Dynamic Frequency
-
2100 MHz
📊 Benchmark
Geekbench 6
2,986
2,582
Geekbench 6
34,711
10,941
Cinebench R23
-
1,803
Cinebench R23
-
11,888
Cinebench 2024
-
101
Cinebench 2024
-
588