Home Comparison Intel Core i7 1355U vs AMD Ryzen 7 7840H

Intel Core i7 1355U vs AMD Ryzen 7 7840H

We compared two laptop CPUs: Intel Core i7 1355U with 10 cores 1.7GHz and AMD Ryzen 7 7840H with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 1355U 's Advantages
Higher specification of memory (6400 vs 5600)
Lower TDP (15W vs 35W)
AMD Ryzen 7 7840H 's Advantages
Better graphics card performance
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.8GHz vs 1.7GHz)
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (4nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 1355U +2%
1800
AMD Ryzen 7 7840H
1757
Cinebench R23 Multi Core
Intel Core i7 1355U
9222
AMD Ryzen 7 7840H +72%
15930
Geekbench 6 Single Core
Intel Core i7 1355U
2379
AMD Ryzen 7 7840H +10%
2625
Geekbench 6 Multi Core
Intel Core i7 1355U
7945
AMD Ryzen 7 7840H +48%
11813
Cinebench 2024 Single Core
Intel Core i7 1355U
91
AMD Ryzen 7 7840H +15%
105
Blender
Intel Core i7 1355U
120
AMD Ryzen 7 7840H +98%
238
Geekbench 5 Single Core
Intel Core i7 1355U
1709
AMD Ryzen 7 7840H +11%
1909
Geekbench 5 Multi Core
Intel Core i7 1355U
8398
AMD Ryzen 7 7840H +36%
11494
Passmark CPU Single Core
Intel Core i7 1355U
3594
AMD Ryzen 7 7840H +9%
3947
Passmark CPU Multi Core
Intel Core i7 1355U
15257
AMD Ryzen 7 7840H +85%
28248

General Parameters

Jan 2023
Release Date
Jan 2023
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
-
Raptor Lake
Core Architecture
Phoenix
i7-1355U
Processor Number
-
BGA-1744
Socket
AMD Socket FP8
Iris Xe Graphics (96EU)
Integrated Graphics
Radeon 780M
-
Generation
Ryzen 7 (Zen 4 (Phoenix))

Package

-
Transistor Count
25 billions
10 nm
Manufacturing Process
4 nm
12-15 W
Power Consumption
35 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C
-
Foundry
TSMC
-
Die Size
178 mm²

CPU Performance

2
Performance Cores
-
4
Performance Core Threads
-
1.7 GHz
Performance Core Base Frequency
3.8 GHz
5 GHz
Performance Core Turbo Frequency
5.1 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1.2 GHz
Efficiency Core Base Frequency
-
3.7 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
8
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
38.0
80 K per core
L1 Cache
64 K per core
1280 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR5-5200, DDR4-3200, LPDDR5-6400, LPDDR5x-6400, LPDDR4x-4267
Memory Types
DDR5-5600
96 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1300 MHz
GPU Max Dynamic Frequency
2700 MHz
768
Shader Units
-
48
Texture Units
-
24
Raster Operation Units
-
96
Execution Units
12
15 W
Power Consumption
-
1.69 TFLOPS
Graphics Performance
10 TFLOPS

Miscellaneous

4.0
PCIe Version
4
20
PCIe Lanes
20
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