Home Comparison Intel Core i7 6800K vs Intel Core Ultra 7 155UL

Intel Core i7 6800K vs Intel Core Ultra 7 155UL

Intel Core i7 6800K
VS
Intel Core Ultra 7 155UL
Intel Core i7 6800K Intel Core Ultra 7 155UL
We compared two desktop CPUs: Intel Core i7 6800K with 6 cores 3.4GHz and Intel Core Ultra 7 155UL with 12 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6800K 's Advantages
Higher base frequency (3.4GHz vs 1.7GHz)
Larger L3 cache size (15MB vs 12MB)
Intel Core Ultra 7 155UL 's Advantages
Released 7 years and 11 months late
Higher specification of memory (DDR5-5600 vs DDR4-2133)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (4 vs 3.0)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (15W vs 140W)

Score

Intel Core i7 6800K
VS
Intel Core Ultra 7 155UL

General Parameters

May 2016
Release Date
Apr 2024
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Broadwell E
Core Architecture
Meteor Lake-PS
i7-6800K
Processor Number
-
LGA-2011-3
Socket
Intel Socket 1851
N/A
Integrated Graphics
Arc Xe-LPG 64EU
-
Generation
Ultra 7 (Meteor Lake)

Package

14 nm
Manufacturing Process
7 nm
LGA-2011-3
Socket
Intel Socket 1851
140 W
Power Consumption
15 W
-
Foundry
Intel
-
Package
FC-LGA18V

CPU Performance

6
Performance Cores
2
12
Performance Core Threads
4
3.4 GHz
Performance Core Base Frequency
1.7 GHz
3.6 GHz
Performance Core Turbo Frequency
4.8 GHz
-
Efficiency Cores
10
-
Efficiency Core Threads
10
-
Efficiency Core Base Frequency
1200 MHz
-
Efficiency Core Turbo Frequency
3.8 GHz
6
Total Core Count
12
12
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
34x
Multiplier
17.0
32 K per core
L1 Cache
112 KB per core
256 K per core
L2 Cache
2 MB per core
15 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR4-2133
Memory Types
DDR5-5600
128 GB
Max Memory Size
96 GB
4
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
No

Miscellaneous

Intel Core i7 6800K
Official Website
Intel Core Ultra 7 155UL
3.0
PCIe Version
4
28
PCIe Lanes
8

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