Home Comparison Intel Core Ultra 7 265 vs Intel Core i7 7820X

Intel Core Ultra 7 265 vs Intel Core i7 7820X

Intel Core Ultra 7 265
VS
Intel Core i7 7820X
Intel Core Ultra 7 265
Intel Core i7 7820X
We compared two desktop CPUs: Intel Core Ultra 7 265 with 20 cores 2.4GHz 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 7 265 's Advantages
Released 7 years and 8 months late
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (102.4GB/s vs 79.47GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB vs 11MB)
More modern manufacturing process (3nm vs 14nm)
Lower TDP (65W vs 140W)
Intel Core i7 7820X 's Advantages
Higher base frequency (3.6GHz vs 2.4GHz)

Score

Intel Core Ultra 7 265
VS
Intel Core i7 7820X

General Parameters

Jan 2025
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
-
Instruction Set
x86-64
Arrow Lake-S
Core Architecture
Skylake
-
Processor Number
i7-7820X
Intel Socket 1851
Socket
LGA-2066
Arc Xe2 Graphics 64EU
Integrated Graphics
N/A
Ultra 7(Arrow Lake)
Generation
-

Package

17.8 billions
Transistor Count
-
3 nm
Manufacturing Process
14 nm
65 W
Power Consumption
140 W
105°C
Peak Operating Temperature
99 °C
TSMC
Foundry
-
243 mm²
Die Size
-

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
16
2.4 GHz
Performance Core Base Frequency
3.6 GHz
5.3 GHz
Performance Core Turbo Frequency
4.3 GHz
12
Efficiency Cores
-
12
Efficiency Core Threads
-
1800 MHz
Efficiency Core Base Frequency
-
4.6 GHz
Efficiency Core Turbo Frequency
-
20
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
24.0
Multiplier
36x
112 KB per core
L1 Cache
64 K per core
3 MB per core
L2 Cache
1 MB per core
30 MB shared
L3 Cache
11 MB shared
No
Unlocked Multiplier
Yes
1
SMP
-

Memory Parameters

DDR5-5600
Memory Types
DDR4-2666
256 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
102.4 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No

Miscellaneous

Official Website
Intel Core i7 7820X
5
PCIe Version
3.0
20
PCIe Lanes
28
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512

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