Home Comparison Intel Core i7 1255U vs Intel Core i7 10870H

Intel Core i7 1255U vs Intel Core i7 10870H

Intel Core i7 1255U
VS
Intel Core i7 10870H
Intel Core i7 1255U
Intel Core i7 10870H
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core i7 10870H with 8 cores 2.2GHz . 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
Released 1 years and 5 months late
Better graphics card performance
Higher specification of memory (5200 vs 2933)
Larger memory bandwidth (76.8GB/s vs 45.8GB/s)
Newer PCIe version (4.0 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 45W)
Intel Core i7 10870H 's Advantages
Higher base frequency (2.2GHz vs 1.7GHz)
Larger L3 cache size (16MB vs 12MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 1255U +39%
1701
Intel Core i7 10870H
1221
Cinebench R23 Multi Core
Intel Core i7 1255U
8233
Intel Core i7 10870H +19%
9824
Geekbench 6 Single Core
Intel Core i7 1255U +50%
2248
Intel Core i7 10870H
1498
Geekbench 6 Multi Core
Intel Core i7 1255U +21%
7162
Intel Core i7 10870H
5895
Blender
Intel Core i7 1255U
125
Intel Core i7 10870H +18%
148
Geekbench 5 Single Core
Intel Core i7 1255U +31%
1628
Intel Core i7 10870H
1237
Geekbench 5 Multi Core
Intel Core i7 1255U +4%
7372
Intel Core i7 10870H
7054
Passmark CPU Single Core
Intel Core i7 1255U +22%
3308
Intel Core i7 10870H
2699
Passmark CPU Multi Core
Intel Core i7 1255U
13792
Intel Core i7 10870H +6%
14701
Intel Core i7 1255U
VS
Intel Core i7 10870H

General Parameters

Feb 2022
Release Date
Sep 2020
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Comet Lake
i7-1255U
Processor Number
i7-10870H
BGA-1744
Socket
BGA-1440
Iris Xe Graphics (96EU)
Integrated Graphics
UHD Graphics 630

Package

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

CPU Performance

2
Performance Cores
8
4
Performance Core Threads
16
1.7 GHz
Performance Core Base Frequency
2.2 GHz
4.7 GHz
Performance Core Turbo Frequency
5 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
22x
80 K per core
L1 Cache
64 K per core
1280 K per core
L2 Cache
256 K per core
12 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR4-2933
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
45.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1250 MHz
GPU Max Dynamic Frequency
1200 MHz
768
Shader Units
192
48
Texture Units
24
24
Raster Operation Units
3
96
Execution Units
24
15 W
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
1.69 TFLOPS
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i7 1255U
Official Website
Intel Core i7 10870H
4.0
PCIe Version
3.0
20
PCIe Lanes
16

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