Intel Core Ultra X7 358H vs Intel Core i7 7820X
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
May 2017
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Skylake
Processor Number
358H
i7-7820X
Integrated Graphics
Arc B390
N/A
Generation
Ultra X7 (Panther Lake-H)
—
Package
Manufacturing Process
2 nm
14 nm
Socket
FCBGA2540
LGA-2066
Power Consumption
15-25 W
140 W
Max Turbo Power Consumption
80 W
—
Peak Operating Temperature
100 °C
99 °C
Foundry
Intel
—
Package
FC-BGA
—
CPU Performance
Performance Cores
4
8
Performance Core Threads
4
16
Performance Core Base Frequency
1.9 GHz
3.6 GHz
Performance Core Turbo Frequency
4.8 GHz
4.3 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
1.5 GHz
—
Efficiency Core Turbo Frequency
3.7 GHz
—
Total Core Count
16
8
Total Thread Count
16
16
Bus Frequency
100 MHz
100 MHz
Multiplier
19
36x
L1 Cache
192 K per core
64 K per core
L2 Cache
2560 K per core
1 MB per core
L3 Cache
18 MB shared
11 MB shared
Unlocked Multiplier
No
Yes
SMP
1
—
Memory Parameters
Memory Types
LPDDR5X-9600
DDR4-2666
Max Memory Size
96 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
153.6 GB/s
79.47 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
2500 MHz
—
Shader Units
1536
—
Texture Units
48
—
Raster Operation Units
24
—
Execution Units
12
—
AI Accelerator
Theoretical performance
50
—
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
12
28
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
2,122
1,338
Cinebench R23
21,056
13,358
Geekbench 6
2,914
1,252
Geekbench 6
16,889
7,510
Cinebench 2024
124
—
Cinebench 2024
1,125
—
Passmark CPU
4,107
2,536
Passmark CPU
33,972
17,189
Geekbench 5
—
1,120
Geekbench 5
—
8,504
▲ Specs Compare
Data sourced from official specifications and benchmark tests.