Intel Core i7 1255U vs AMD Ryzen 7 PRO 8840U

VS

Intel Core i7 1255U

AMD Ryzen 7 PRO 8840U

We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and AMD Ryzen 7 PRO 8840U with 8 cores 3.3GHz . 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

Integrated graphics card

Lower TDP (15W vs 28W)

AMD Ryzen 7 PRO 8840U 's Advantages

Released 2 years and 2 months late

Higher specification of memory (5600 vs 5200)

Newer PCIe version (4 vs 4.0)

Higher base frequency (3.3GHz vs 1.7GHz)

Larger L3 cache size (16MB vs 12MB)

More modern manufacturing process (4nm vs 10nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1255U

1701

AMD Ryzen 7 PRO 8840U +6%

1807

Geekbench 6 Single Core

Intel Core i7 1255U

2248

AMD Ryzen 7 PRO 8840U +7%

2407

Geekbench 6 Multi Core

Intel Core i7 1255U

7162

AMD Ryzen 7 PRO 8840U +30%

9320

Blender

Intel Core i7 1255U

125

AMD Ryzen 7 PRO 8840U +32%

165

Intel Core i7 1255U

VS

AMD Ryzen 7 PRO 8840U

General Parameters

Feb 2022

Release Date

Apr 2024

Intel

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Alder Lake

Core Architecture

Hawk Point

i7-1255U

Processor Number

-

BGA-1744

Socket

AMD Socket FP7

Iris Xe Graphics (96EU)

Integrated Graphics

Radeon 780M

-

Generation

Ryzen 7 (Zen 4 (Hawk Point))

Package

-

Transistor Count

25 billions

10 nm

Manufacturing Process

4 nm

12-15 W

Power Consumption

28 W

55 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

-

Foundry

TSMC

-

Die Size

178 mm²

CPU Performance

2

Performance Cores

-

4

Performance Core Threads

-

1.7 GHz

Performance Core Base Frequency

3.3 GHz

4.7 GHz

Performance Core Turbo Frequency

5.1 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

33.0

80 K per core

L1 Cache

64 KB per core

1280 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

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

Memory Types

DDR5-5600

64 GB

Max Memory Size

-

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

-

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1250 MHz

GPU Max Dynamic Frequency

-

768

Shader Units

-

48

Texture Units

-

24

Raster Operation Units

-

96

Execution Units

-

15 W

Power Consumption

-

1.69 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 1255U

Official Website

AMD Ryzen 7 PRO 8840U

4.0

PCIe Version

4

20

PCIe Lanes

20

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