Home Comparison Intel Core i7 1255U vs AMD Ryzen 7 8840U

Intel Core i7 1255U vs AMD Ryzen 7 8840U

Intel Core i7 1255U
VS
AMD Ryzen 7 8840U
Intel Core i7 1255U
AMD Ryzen 7 8840U
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and AMD Ryzen 7 8840U with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 1255U 's Advantages
Lower TDP (15W vs 30W)
AMD Ryzen 7 8840U 's Advantages
Released 1 years and 10 months late
Better graphics card performance
Higher specification of memory (7500 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (3.3GHz 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 1255U
1701
AMD Ryzen 7 8840U +4%
1780
Cinebench R23 Multi Core
Intel Core i7 1255U
8233
AMD Ryzen 7 8840U +55%
12815
Geekbench 6 Single Core
Intel Core i7 1255U
2248
AMD Ryzen 7 8840U +9%
2468
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
AMD Ryzen 7 8840U +60%
11498
Blender
Intel Core i7 1255U
125
AMD Ryzen 7 8840U +36%
171
Intel Core i7 1255U
VS
AMD Ryzen 7 8840U

General Parameters

Feb 2022
Release Date
Dec 2023
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Zen 4 (Hawk Point)
i7-1255U
Processor Number
-
BGA-1744
Socket
FP8
Iris Xe Graphics (96EU)
Integrated Graphics
Radeon 780M
-
Generation
Ryzen 7 (Zen 4 (Hawk Point))

Package

-
Transistor Count
25 billions
10 nm
Manufacturing Process
4 nm
12-15 W
Power Consumption
15-30 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
8
4
Performance Core Threads
16
1.7 GHz
Performance Core Base Frequency
3.3 GHz
4.7 GHz
Performance Core Turbo Frequency
5.1 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
1.2 GHz
Efficiency Core Base Frequency
-
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
8
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
33x
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

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR5-5600, LPDDR5x-7500
64 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
1500 MHz
1250 MHz
GPU Max Dynamic Frequency
2700 MHz
768
Shader Units
768
48
Texture Units
48
24
Raster Operation Units
32
96
Execution Units
12
15 W
Power Consumption
15 W
-
Max Resolution
7680x4320 - 60 Hz
1.69 TFLOPS
Graphics Performance
8.12 TFLOPS

Miscellaneous

Intel Core i7 1255U
Official Website
AMD Ryzen 7 8840U
4.0
PCIe Version
4.0
20
PCIe Lanes
20

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