Intel Core i5 7640X vs Intel Core Ultra 7 265F
We compared two desktop CPUs: Intel Core i5 7640X with 4 cores 4.0GHz and Intel Core Ultra 7 265F with 20 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 7640X Advantages
Higher base frequency (4.0GHz vs 2.4GHz)
Intel Core Ultra 7 265F Advantages
Released 7 years and 8 months late
Higher specification of memory (6400 vs 2666)
Larger memory bandwidth (102.4GB/s vs 42.7GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (3nm vs 14nm)
Lower TDP (65W vs 112W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 7640X
1419
Intel Core Ultra 7 265F
+103%
2893
Geekbench 6 Multi Core
Intel Core i5 7640X
3726
Intel Core Ultra 7 265F
+397%
18519
General Parameters
May 2017
Release Date
Jan 2025
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Kaby Lake
Core Architecture
Arrow Lake-S
i5-7640X
Processor Number
-
LGA-2066
Socket
Intel Socket 1851
N/A
Integrated Graphics
N/A
-
Generation
Ultra 7 (Arrow Lake)
Package
-
Transistor Count
17.8 billions
14 nm
Manufacturing Process
3 nm
112 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
105°C
-
Foundry
TSMC
-
Die Size
243 mm²
CPU Performance
4
Performance Cores
8
4
Performance Core Threads
16
4.0 GHz
Performance Core Base Frequency
2.4 GHz
4.2 GHz
Performance Core Turbo Frequency
5.3 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1800 MHz
-
Efficiency Core Turbo Frequency
4.6 GHz
4
Total Core Count
20
4
Total Thread Count
20
-
Bus Frequency
100 MHz
39x
Multiplier
24.0
64 K per core
L1 Cache
192 KB per core
256 K per core
L2 Cache
3 MB per core
6 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR4-2666
Memory Types
DDR5-6400
64 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
42.7 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
5
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
