Intel Core Ultra 7 255HX vs Intel Celeron 5205U
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Celeron 5205U with 2 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255HX 's Advantages
Released 5 years and 3 months late
Higher specification of memory (6400 vs 2400)
Larger memory bandwidth (102.4GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 2.0)
Higher base frequency (2.4GHz vs 1.9GHz)
Larger L3 cache size (30MB vs 2MB)
More modern manufacturing process (3nm vs 14nm)
Intel Celeron 5205U 's Advantages
Lower TDP (15W vs 55W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+681%
3102
Intel Celeron 5205U
397
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+2158%
15879
Intel Celeron 5205U
703
General Parameters
Jan 2025
Release Date
Oct 2019
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Comet Lake
255HX
Processor Number
5205U
FCBGA-2114
Socket
BGA-1528
Arc Graphics (4-Cores)
Integrated Graphics
UHD Graphics
Ultra 7 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
14 nm
45-55 W
Power Consumption
15 W
160 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
100 °C
Intel
Foundry
-
CPU Performance
8
Performance Cores
2
8
Performance Core Threads
2
2.4 GHz
Performance Core Base Frequency
1.9 GHz
5.2 GHz
Performance Core Turbo Frequency
-
12
Efficiency Cores
-
12
Efficiency Core Threads
-
1.8 GHz
Efficiency Core Base Frequency
-
4.5 GHz
Efficiency Core Turbo Frequency
-
20
Total Core Count
2
20
Total Thread Count
2
100 MHz
Bus Frequency
-
24
Multiplier
-
112 K per core
L1 Cache
32 K per core
2 MB per core
L2 Cache
256 K per core
30 MB shared
L3 Cache
2 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR4-2400, LPDDR3-2133
192 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
37.5 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1850 MHz
GPU Max Dynamic Frequency
900 MHz
512
Shader Units
-
32
Texture Units
-
16
Raster Operation Units
-
64
Execution Units
-
14
Power Consumption
-
1.9 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
2.0
24
PCIe Lanes
12
-
Extended Instruction Set
SSE4.1, SSE4.2
