Intel Core Ultra 3 105UL vs Intel Core i7 7820X
We compared two desktop CPUs: Intel Core Ultra 3 105UL with 8 cores 1.5GHz and Intel Core i7 7820X with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 3 105UL 's Advantages
Released 6 years and 11 months late
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 79.47GB/s)
Newer PCIe version (4 vs 3.0)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (15W vs 140W)
Intel Core i7 7820X 's Advantages
Higher base frequency (3.6GHz vs 1.5GHz)
Larger L3 cache size (11MB vs 10MB)
Score
General Parameters
Apr 2024
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
-
Instruction Set
x86-64
Meteor Lake-PS
Core Architecture
Skylake
-
Processor Number
i7-7820X
Intel Socket 1851
Socket
LGA-2066
Arc Xe-LPG 48EU
Integrated Graphics
N/A
Ultra 3 (Meteor Lake-PS)
Generation
-
Package
7 nm
Manufacturing Process
14 nm
15 W
Power Consumption
140 W
105°C
Peak Operating Temperature
99 °C
Intel
Foundry
-
CPU Performance
2
Performance Cores
8
4
Performance Core Threads
16
1.5 GHz
Performance Core Base Frequency
3.6 GHz
4.2 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Efficiency Cores
-
6
Efficiency Core Threads
-
1000 MHz
Efficiency Core Base Frequency
-
3.5 GHz
Efficiency Core Turbo Frequency
-
8
Total Core Count
8
10
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
15.0
Multiplier
36x
112 KB per core
L1 Cache
64 K per core
2 MB per core
L2 Cache
1 MB per core
10 MB shared
L3 Cache
11 MB shared
No
Unlocked Multiplier
Yes
1
SMP
-
Memory Parameters
DDR5
Depends on motherboard-5600
Memory Types
DDR4-2666
96 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
89.6 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Miscellaneous
4
PCIe Version
3.0
8
PCIe Lanes
28
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
