Intel Core Ultra 7 255U vs AMD Ryzen 7 7840HS
We compared two laptop CPUs: Intel Core Ultra 7 255U with 12 cores 2.0GHz and AMD Ryzen 7 7840HS 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 Ultra 7 255U 's Advantages
Released 1 years and 9 months late
Higher specification of memory (8400 vs 7500)
More modern manufacturing process (3nm vs 4nm)
Lower TDP (15W vs 54W)
AMD Ryzen 7 7840HS 's Advantages
Higher base frequency (3.8GHz vs 2.0GHz)
Larger L3 cache size (16MB vs 12MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255U
+1%
1803
AMD Ryzen 7 7840HS
1768
Cinebench R23 Multi Core
Intel Core Ultra 7 255U
11888
AMD Ryzen 7 7840HS
+38%
16477
Geekbench 6 Single Core
Intel Core Ultra 7 255U
2582
AMD Ryzen 7 7840HS
2575
Geekbench 6 Multi Core
Intel Core Ultra 7 255U
10941
AMD Ryzen 7 7840HS
+10%
12085
Cinebench 2024 Single Core
Intel Core Ultra 7 255U
101
AMD Ryzen 7 7840HS
102
Cinebench 2024 Multi Core
Intel Core Ultra 7 255U
588
AMD Ryzen 7 7840HS
+47%
866
General Parameters
Jan 2025
Release Date
Apr 2023
Intel
Manufacturer
Amd
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Zen 4 (Phoenix)
255U
Processor Number
-
FCBGA-2049
Socket
FP8
Arc Graphics (4-Cores)
Integrated Graphics
Radeon 780M
Package
-
Transistor Count
25 billions
3 nm
Manufacturing Process
4 nm
12-15 W
Power Consumption
35-54 W
57 W
Max Turbo Power Consumption
-
110 °C
Peak Operating Temperature
100 °C
CPU Performance
2
Performance Cores
8
4
Performance Core Threads
16
2.0 GHz
Performance Core Base Frequency
3.8 GHz
5.2 GHz
Performance Core Turbo Frequency
5.1 GHz
10
Efficiency Cores
-
10
Efficiency Core Threads
-
1.7 GHz
Efficiency Core Base Frequency
-
4.2 GHz
Efficiency Core Turbo Frequency
-
12
Total Core Count
8
14
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
20
Multiplier
38
112 K per core
L1 Cache
64 K per core
2 MB per core
L2 Cache
8 MB
12 MB shared
L3 Cache
16 MB
No
Unlocked Multiplier
No
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
DDR5-5600, LPDDR5x-7500
128 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
800 MHz
2100 MHz
GPU Max Dynamic Frequency
2700 MHz
-
Shader Units
768
-
Texture Units
48
-
Raster Operation Units
32
-
Execution Units
12
-
Power Consumption
15
-
Max Resolution
7680x4320 - 60 Hz
-
Graphics Performance
4.15 TFLOPS
AI Accelerator
-
NPU
AMD Ryzen™ AI
-
Theoretical performance
10 TOPS
