Intel Core Ultra 7 355 vs AMD Ryzen 7 7840HS
CPU Specs Compare
General Parameters
Release Date
Jan 2026
Apr 2023
Manufacturer
Intel
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Processor Number
355
-
Integrated Graphics
Graphics 4 Xe3
Radeon 780M
Generation
Intel Core Ultra Series 3
-
Core Architecture
-
Zen 4 (Phoenix)
Package
Manufacturing Process
3 nm
4 nm
Socket
Custom
FP8
Power Consumption
15-25 W
35-54 W
Max Turbo Power Consumption
55 W
-
Peak Operating Temperature
100 °C
100 °C
Transistor Count
-
25 billions
CPU Performance
Performance Cores
4
8
Performance Core Threads
4
16
Performance Core Base Frequency
2.3 GHz
3.8 GHz
Performance Core Turbo Frequency
4.7 GHz
5.1 GHz
Efficiency Cores
4
-
Efficiency Core Threads
4
-
Efficiency Core Base Frequency
1.7 GHz
-
Efficiency Core Turbo Frequency
3.5 GHz
-
Total Core Count
8
8
Total Thread Count
8
16
Bus Frequency
100 MHz
100 MHz
Multiplier
23
38
L3 Cache
12 MB shared
16 MB
Unlocked Multiplier
No
No
L1 Cache
-
64 K per core
L2 Cache
-
8 MB
Memory Parameters
Memory Types
LPDDR5X-7467,DDR5-6400
DDR5-5600, LPDDR5x-7500
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
119.5 GB/s
89.6 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2500 MHz
2700 MHz
Execution Units
4
12
Max Resolution
7680 x 4320 @ 60Hz
7680x4320 - 60 Hz
GPU Base Frequency
-
800 MHz
Shader Units
-
768
Texture Units
-
48
Raster Operation Units
-
32
Power Consumption
-
15
AI Accelerator
NPU
-
AMD Ryzen™ AI
Theoretical performance
-
10 TOPS
📊 Benchmark
Geekbench 6
2,706
2,575
Geekbench 6
10,277
12,085