Intel Core i7 7800X vs Intel Core Ultra 7 356H
CPU · Specs Compare
General Parameters
Release Date
May 2017
Jan 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Panther Lake
Processor Number
i7-7800X
356H
Integrated Graphics
N/A
Graphics 4 Xe3
Generation
—
Intel Core Ultra Series 3
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-2066
Custom
Power Consumption
140 W
15-25 W
Peak Operating Temperature
100 °C
100 °C
Max Turbo Power Consumption
—
80 W
CPU Performance
Performance Cores
6
4
Performance Core Threads
12
4
Performance Core Base Frequency
3.5 GHz
1.9 GHz
Performance Core Turbo Frequency
4 GHz
4.7 GHz
Total Core Count
6
16
Total Thread Count
12
16
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
19
L1 Cache
64 K per core
192 K per core
L2 Cache
1 MB per core
2560 K per core
L3 Cache
8 MB shared
18 MB shared
Unlocked Multiplier
Yes
No
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
1.5 GHz
Efficiency Core Turbo Frequency
—
3.7 GHz
Memory Parameters
Memory Types
DDR4-2400
LPDDR5X-8533,DDR5-7200
Max Memory Size
128 GB
128 GB
Max Memory Channels
4
2
Max Memory Bandwidth
79.47 GB/s
136.5 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
28
20
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
—
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
800 MHz
GPU Max Dynamic Frequency
—
2450 MHz
Shader Units
—
1024
Texture Units
—
64
Raster Operation Units
—
32
Execution Units
—
4
Power Consumption
—
25
AI Accelerator
Theoretical performance
—
50 TOPS
Benchmark
Cinebench R23
963
2,003
Cinebench R23
7,269
18,102
Geekbench 6
1,362
2,738
Geekbench 6
6,082
15,294
Passmark CPU
2,409
—
Passmark CPU
12,894
—
Cinebench 2024
—
120
Cinebench 2024
—
1,085
▲ Specs Compare
Data sourced from official specifications and benchmark tests.