Intel Core Ultra 5 250KF Plus vs Intel Core i7 7820X
CPU · Specs Compare
General Parameters
Release Date
Mar 2026
May 2017
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Skylake
Processor Number
250KF+
i7-7820X
Integrated Graphics
No
N/A
Package
Transistor Count
17.8 billions
—
Manufacturing Process
3 nm
14 nm
Socket
FCLGA-1851
LGA-2066
Power Consumption
125 W
140 W
Max Turbo Power Consumption
159 W
—
Peak Operating Temperature
105 °C
99 °C
CPU Performance
Performance Cores
6
8
Performance Core Threads
6
16
Performance Core Base Frequency
4.2 GHz
3.6 GHz
Performance Core Turbo Frequency
5.3 GHz
4.3 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
18
8
Total Thread Count
18
16
Bus Frequency
100 MHz
100 MHz
Multiplier
42
36x
L1 Cache
192 K per core
64 K per core
L2 Cache
3 MB per core
1 MB per core
L3 Cache
30 MB shared
11 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-7200
DDR4-2666
Max Memory Bandwidth
115.2 GB/s
79.47 GB/s
ECC Memory Support
Yes
No
Max Memory Size
—
128 GB
Max Memory Channels
—
4
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
2,335
1,338
Cinebench R23
29,012
13,358
Geekbench 6
3,219
1,252
Geekbench 6
21,115
7,510
Cinebench 2024
140
—
Cinebench 2024
1,689
—
Cinebench 2026
7,413
—
Geekbench 5
—
1,120
Geekbench 5
—
8,504
Passmark CPU
—
2,536
Passmark CPU
—
17,189
▲ Specs Compare
Data sourced from official specifications and benchmark tests.