Intel Core i7 6800K vs Intel Core Ultra 7 255H
CPU Specs Compare
General Parameters
Release Date
May 2016
Jan 2025
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Broadwell E
Arrow Lake
Processor Number
i7-6800K
255H
Integrated Graphics
N/A
Arc Graphics 140T
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-2011-3
FCBGA-2049
Power Consumption
140 W
20-28 W
Max Turbo Power Consumption
-
115 W
Peak Operating Temperature
-
110 °C
CPU Performance
Performance Cores
6
6
Performance Core Threads
12
6
Performance Core Base Frequency
3.4 GHz
2.0 GHz
Performance Core Turbo Frequency
3.6 GHz
5.1 GHz
Total Core Count
6
16
Total Thread Count
12
16
Bus Frequency
100 MHz
100 MHz
Multiplier
34x
20
L1 Cache
32 K per core
112 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
15 MB shared
24 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
-
10
Efficiency Core Threads
-
10
Efficiency Core Base Frequency
-
1.5 GHz
Efficiency Core Turbo Frequency
-
4.4 GHz
Memory Parameters
Memory Types
DDR4-2133
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
128 GB
128 GB
Max Memory Channels
4
2
Max Memory Bandwidth
76.8 GB/s
-
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
-
true
GPU Max Dynamic Frequency
-
2250 MHz
📊 Benchmark
Cinebench R23
951
2,029
Cinebench R23
6,632
20,521
Geekbench 6
1,363
2,823
Geekbench 5
922
-
Geekbench 6
6,495
15,662
Geekbench 5
5,537
-
Blender
93
278
Passmark CPU
2,269
-
Passmark CPU
10,740
-
Cinebench 2024
-
115
Cinebench 2024
-
1,102