Home Comparison Intel Core i5 8259U vs Intel Core i7 1255U

Intel Core i5 8259U vs Intel Core i7 1255U

Intel Core i5 8259U
VS
Intel Core i7 1255U
Intel Core i5 8259U
Intel Core i7 1255U
We compared two laptop CPUs: Intel Core i5 8259U with 4 cores 2.3GHz and Intel Core i7 1255U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8259U 's Advantages
Higher base frequency (2.3GHz vs 1.7GHz)
Intel Core i7 1255U 's Advantages
Released 3 years and 10 months late
Better graphics card performance
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 28W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 8259U
899
Intel Core i7 1255U +89%
1701
Cinebench R23 Multi Core
Intel Core i5 8259U
3564
Intel Core i7 1255U +131%
8233
Geekbench 6 Single Core
Intel Core i5 8259U
1220
Intel Core i7 1255U +84%
2248
Geekbench 6 Multi Core
Intel Core i5 8259U
4337
Intel Core i7 1255U +65%
7162
Blender
Intel Core i5 8259U
69
Intel Core i7 1255U +81%
125
Geekbench 5 Single Core
Intel Core i5 8259U
918
Intel Core i7 1255U +77%
1628
Geekbench 5 Multi Core
Intel Core i5 8259U
3945
Intel Core i7 1255U +86%
7372
Passmark CPU Single Core
Intel Core i5 8259U
2239
Intel Core i7 1255U +47%
3308
Passmark CPU Multi Core
Intel Core i5 8259U
8002
Intel Core i7 1255U +72%
13792
Intel Core i5 8259U
VS
Intel Core i7 1255U

General Parameters

Apr 2018
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Alder Lake
i5-8259U
Processor Number
i7-1255U
BGA-1528
Socket
BGA-1744
Iris Plus Graphics 655
Integrated Graphics
Iris Xe Graphics (96EU)

Package

14 nm
Manufacturing Process
10 nm
28 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
55 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

4
Performance Cores
2
8
Performance Core Threads
4
2.3 GHz
Performance Core Base Frequency
1.7 GHz
3.8 GHz
Performance Core Turbo Frequency
4.7 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.2 GHz
-
Efficiency Core Turbo Frequency
3.5 GHz
4
Total Core Count
10
8
Total Thread Count
12
-
Bus Frequency
100 MHz
23x
Multiplier
17x
64 K per core
L1 Cache
80 K per core
256 K per core
L2 Cache
1280 K per core
6 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2400, LPDDR3-2133
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
32 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1050 MHz
GPU Max Dynamic Frequency
1250 MHz
384
Shader Units
768
48
Texture Units
48
6
Raster Operation Units
24
48
Execution Units
96
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
-
0.81 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

Intel Core i5 8259U
Official Website
Intel Core i7 1255U
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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