Intel Core Ultra 7 265F vs Intel Core i9 9940X
We compared two desktop CPUs: Intel Core Ultra 7 265F with 20 cores 2.4GHz and Intel Core i9 9940X with 14 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 265F 's Advantages
Released 6 years and 3 months late
Higher specification of memory (6400 vs 2666)
Larger memory bandwidth (102.4GB/s vs 85GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (3nm vs 14nm)
Lower TDP (65W vs 165W)
Intel Core i9 9940X 's Advantages
Higher base frequency (3.3GHz vs 2.4GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Core Ultra 7 265F
+117%
2893
Intel Core i9 9940X
1328
Geekbench 6 Multi Core
Intel Core Ultra 7 265F
+89%
18519
Intel Core i9 9940X
9787
General Parameters
Jan 2025
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
-
Instruction Set
x86-64
Arrow Lake-S
Core Architecture
Skylake
-
Processor Number
i9-9940X
Intel Socket 1851
Socket
LGA-2066
N/A
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
165 W
105°C
Peak Operating Temperature
88 °C
TSMC
Foundry
-
243 mm²
Die Size
-
CPU Performance
8
Performance Cores
14
16
Performance Core Threads
28
2.4 GHz
Performance Core Base Frequency
3.3 GHz
5.3 GHz
Performance Core Turbo Frequency
4.4 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
14
20
Total Thread Count
28
100 MHz
Bus Frequency
100 MHz
24.0
Multiplier
33x
192 KB per core
L1 Cache
64 K per core
3 MB per core
L2 Cache
1 MB per core
30 MB shared
L3 Cache
20 MB shared
No
Unlocked Multiplier
Yes
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR4-2666
256 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
102.4 GB/s
Max Memory Bandwidth
85 GB/s
No
ECC Memory Support
No
Miscellaneous
5
PCIe Version
3.0
20
PCIe Lanes
44
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
