Intel Core i5 7640X vs Intel Core Ultra 7 265KF
We compared two desktop CPUs: Intel Core i5 7640X with 4 cores 4.0GHz and Intel Core Ultra 7 265KF with 20 cores 3.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 7640X 's Advantages
Higher base frequency (4.0GHz vs 3.9GHz)
Lower TDP (112W vs 125W)
Intel Core Ultra 7 265KF 's Advantages
Released 7 years and 5 months late
Higher specification of memory (6400 vs 2666)
Larger memory bandwidth (102.4GB/s vs 42.7GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (3nm vs 14nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 7640X
1419
Intel Core Ultra 7 265KF
+126%
3208
Geekbench 6 Multi Core
Intel Core i5 7640X
3726
Intel Core Ultra 7 265KF
+484%
21797
General Parameters
May 2017
Release Date
Oct 2024
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Kaby Lake
Core Architecture
Arrow Lake
i5-7640X
Processor Number
265KF
LGA-2066
Socket
FCLGA-1851
N/A
Integrated Graphics
No
-
Generation
Ultra 7(Arrow Lake)
Package
14 nm
Manufacturing Process
3 nm
112 W
Power Consumption
125 W
-
Max Turbo Power Consumption
250 W
100 °C
Peak Operating Temperature
105 °C
-
Foundry
TSMC
CPU Performance
4
Performance Cores
8
4
Performance Core Threads
8
4.0 GHz
Performance Core Base Frequency
3.9 GHz
4.2 GHz
Performance Core Turbo Frequency
5.4 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
3.3 GHz
-
Efficiency Core Turbo Frequency
4.6 GHz
4
Total Core Count
20
4
Total Thread Count
20
-
Bus Frequency
100 MHz
39x
Multiplier
39
64 K per core
L1 Cache
112 K per core
256 K per core
L2 Cache
3 MB per core
6 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR4-2666
Memory Types
DDR5-6400
64 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
42.7 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Miscellaneous
3.0
PCIe Version
5.0
16
PCIe Lanes
24
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
