Intel Core Ultra 7 265KF vs Intel Core i7 7800X
CPU · Specs Compare
General Parameters
Release Date
Oct 2024
May 2017
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Skylake
Processor Number
265KF
i7-7800X
Integrated Graphics
No
N/A
Generation
Ultra 7(Arrow Lake)
—
Package
Manufacturing Process
3 nm
14 nm
Socket
FCLGA-1851
LGA-2066
Power Consumption
125 W
140 W
Max Turbo Power Consumption
250 W
—
Peak Operating Temperature
105 °C
100 °C
Foundry
TSMC
—
Package
FC-LGA18W
—
CPU Performance
Performance Cores
8
6
Performance Core Threads
8
12
Performance Core Base Frequency
3.9 GHz
3.5 GHz
Performance Core Turbo Frequency
5.4 GHz
4 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
3.3 GHz
—
Efficiency Core Turbo Frequency
4.6 GHz
—
Total Core Count
20
6
Total Thread Count
20
12
Bus Frequency
100 MHz
100 MHz
Multiplier
39
35x
L1 Cache
112 K per core
64 K per core
L2 Cache
3 MB per core
1 MB per core
L3 Cache
30 MB shared
8 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
—
Memory Parameters
Memory Types
DDR5-6400
DDR4-2400
Max Memory Size
192 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
102.4 GB/s
79.47 GB/s
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
24
28
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
2,308
963
Cinebench R23
37,273
7,269
Geekbench 6
3,208
1,362
Geekbench 6
21,797
6,082
Blender
460
—
Passmark CPU
—
2,409
Passmark CPU
—
12,894
▲ Specs Compare
Data sourced from official specifications and benchmark tests.