Intel Core i7 8705G vs Intel Core i7 1255U

VS

We compared two laptop CPUs: Intel Core i7 8705G with 4 cores 3.1GHz 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 i7 8705G 's Advantages

Higher base frequency (3.1GHz vs 1.7GHz)

Intel Core i7 1255U 's Advantages

Released 4 years and 1 months late

Integrated graphics card

Higher specification of memory (LPDDR5-5200 vs DDR4-2400)

Larger memory bandwidth (76.8GB/s vs 37.5GB/s)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (12MB vs 8MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 8705G

1116

Intel Core i7 1255U +48%

1656

Cinebench R23 Multi Core

Intel Core i7 8705G

4907

Intel Core i7 1255U +70%

8369

Geekbench 6 Single Core

Intel Core i7 8705G

1106

Intel Core i7 1255U +103%

2248

Geekbench 6 Multi Core

Intel Core i7 8705G

3101

Intel Core i7 1255U +130%

7162

Geekbench 5 Single Core

Intel Core i7 8705G

1020

Intel Core i7 1255U +59%

1628

Geekbench 5 Multi Core

Intel Core i7 8705G

3854

Intel Core i7 1255U +91%

7372

Passmark CPU Single Core

Intel Core i7 8705G

2256

Intel Core i7 1255U +46%

3308

Passmark CPU Multi Core

Intel Core i7 8705G

7755

Intel Core i7 1255U +77%

13792

Intel Core i7 8705G

VS

Intel Core i7 1255U

General Parameters

Jan 2018

Release Date

Feb 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Kaby Lake G

Core Architecture

Alder Lake

i7-8705G

Processor Number

i7-1255U

BGA-2270

Socket

BGA-1744

-

Integrated Graphics

Iris Xe Graphics (96EU)

Package

14 nm

Manufacturing Process

10 nm

BGA-2270

Socket

BGA-1744

0 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

3.1 GHz

Performance Core Base Frequency

1.7 GHz

4.1 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

100 MHz

Bus Frequency

100 MHz

31x

Multiplier

17x

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

1280 K per core

8 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400

Memory Types

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267

64 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

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1250 MHz

-

Shader Units

768

-

Texture Units

48

-

Raster Operation Units

24

-

Execution Units

96

-

Power Consumption

15 W

-

Graphics Performance

1.69 TFLOPS

Miscellaneous

Intel Core i7 8705G

Official Website

Intel Core i7 1255U

3.0

PCIe Version

4.0

8

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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