Home Comparison Intel Core i7 7800X vs Intel Core Ultra 7 265F

Intel Core i7 7800X vs Intel Core Ultra 7 265F

Intel Core i7 7800X
VS
Intel Core Ultra 7 265F
Intel Core i7 7800X
Intel Core Ultra 7 265F
We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz and Intel Core Ultra 7 265F with 20 cores 1.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7800X 's Advantages
Higher base frequency (3.5GHz vs 1.5GHz)
Intel Core Ultra 7 265F 's Advantages
Released 7 years and 7 months late
Higher specification of memory (6400 vs 2400)
Larger memory bandwidth (102.4GB/s vs 79.47GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (3nm vs 14nm)
Lower TDP (65W vs 140W)

Score

Intel Core i7 7800X
VS
Intel Core Ultra 7 265F

General Parameters

May 2017
Release Date
Dec 2024
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Skylake
Core Architecture
Arrow Lake-S
i7-7800X
Processor Number
-
LGA-2066
Socket
Intel Socket 1851
N/A
Integrated Graphics
-
Generation
Ultra 7 (Arrow Lake-S)

Package

14 nm
Manufacturing Process
3 nm
140 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
100 °C
-
Foundry
Intel

CPU Performance

6
Performance Cores
8
12
Performance Core Threads
8
3.5 GHz
Performance Core Base Frequency
1.5 GHz
4 GHz
Performance Core Turbo Frequency
5.3 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.2 GHz
-
Efficiency Core Turbo Frequency
4.5 GHz
6
Total Core Count
20
12
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
15
64 K per core
L1 Cache
112 KB per core
1 MB per core
L2 Cache
23 MB
8 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR4-2400
Memory Types
DDR5-6400
128 GB
Max Memory Size
256 GB
4
Max Memory Channels
2
79.47 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes

Miscellaneous

Intel Core i7 7800X
Official Website
3.0
PCIe Version
5
28
PCIe Lanes
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-

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