Intel Core i7 1255U vs AMD Ryzen 7 8845HS

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 3.8 GHz AMD Ryzen 7 8845HS with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
DeviceFacts Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 8845HS and 1255U
Advantages of Intel Core i7 1255U
  • Has 2 more physical cores
Advantages of AMD Ryzen 7 8845HS
  • Supports up to 256 GB DDR5-5600 RAM
  • More modern manufacturing process – 4 versus 10 nanometers
  • More powerful Radeon 780M integrated graphics: 4.1 vs 1.9 TFLOPS
  • Newer - released 1 year and 10 months later
  • Has 4 MB larger L3 cache size
  • 9% higher Turbo Boost frequency (5.1 GHz vs 4.7 GHz)
  • 15% faster in a single-core Geekbench v6 test - 2580 vs 2248 points

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) - 570
Cinebench 2026 (Multi) - 4125
Cinebench Scores (#175th place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
2580
Geekbench 6 (Multi-Core)
13018
File compression 626.4 MB/sec 1120 MB/sec
Clang compilation 49.1 Klines/sec 96.4 Klines/sec
HTML 5 Browser 179.7 pages/sec 278.2 pages/sec
PDF Renderer 201.5 Mpixels/sec 374.3 Mpixels/sec
Text processing 217.7 pages/sec 261.9 pages/sec
Background blur 31.6 images/sec 59.9 images/sec
Photo processing 71.1 images/sec 110.7 images/sec
Ray tracing 9.8 Mpixels/sec 22.3 Mpixels/sec
Sources: GeekBench [1], [2] – 1162 & 158 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
3721
Passmark CPU (Multi-Core)
28291
Integer math 47.7 GOps/sec 97 GOps/sec
Floating point math 32.2 GOps/sec 58.8 GOps/sec
Find prime numbers 38M Primes/sec 86M Primes/sec
Random string sorting 16.8M Strings/sec 41.4M Strings/sec
Data encryption 9.1 GBytes/sec 20.3 GBytes/sec
Data compression 145.7 MBytes/sec 341.6 MBytes/sec
Physics 750 Frames/sec 1339 Frames/sec
Extended instructions 8.2B Matrices/sec 25.4B Matrices/sec
Sources: PassMark [3], [4] – 4528 & 3870 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
205.32

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 29.7 PPW 17.3 PPW
Geekbench 6 Multi / Watt 477.3 PPW 241.1 PPW
Passmark CPU Mark / Watt 865.2 PPW 523.9 PPW
Blender / Watt 5.15 PPW 3.8 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core i7 1255U
DateBenchmarkResult
πŸ“˜ 2026-10-08 (dell)Geekbench 7 CPU1840 / 7197
πŸ“˜ 2026-02-13 -> Lello75Geekbench 6 CPU2315 / 7219
πŸ“˜ 2025-04-13 (kapple)Cinebench 202495 / 446
AMD Ryzen 7 8845HS
DateBenchmarkResult
πŸ“˜ 2026-05-15 (korn87)Cinebench 2026570 / 4125
πŸ“˜ 2026-05-07 (korn87)Geekbench 6 CPU2718 / 13855
πŸ“˜ 2026-05-07 (korn87)Cinebench 2026570 / 4125
πŸ“˜ 2026-03-09 (MaidElle)Geekbench 6 CPU2514 / 12971
πŸ“˜ 2026-02-26 (iFraan)Geekbench 6 CPU2331 / 10135

Specifications

Full technical specification of Intel Core i7 1255U and AMD Ryzen 7 8845HS

General

Vendor Intel Amd
Released February 23, 2022 December 6, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Zen 4 (Hawk Point)
Model number i7-1255U -
Integrated GPU Iris Xe Graphics (96EU) Radeon 780M
Rival Equivalent - - Intel Core Ultra 7 165H
Successor - Intel Core Ultra 7 255U - AMD Ryzen 7 260
Intel CPU rating (#185th place)
AMD Ryzen CPU ranking (#59th place)

CPU

Performance Cores
P-Cores 2 8
P-Threads 4 16
Base Frequency (P) 1.7 GHz 3.8 GHz
Turbo Boost Frequency (P) 4.7 GHz 5.1 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.2 GHz -
Turbo Boost Frequency (E) 3.5 GHz -
Total
Total Cores 10 8
Total Threads 12 16
Bus Frequency 100 MHz 100 MHz
Multiplier 17x 38x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 1MB (per core)
L3 Cache 12MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors - 25 billions
Fabrication Process 10 nm 4 nm
TDP (PL1) 12-15 W (configurable) 35-54 W (configurable)
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 FP8
Peak Temperature 100Β°C 100Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) Radeon 780M
GPU Base Clock 300 MHz 800 MHz
GPU Boost Clock 1250 MHz 2700 MHz
Shading Units 768 768
TMUs 48 48
ROPs 24 32
Execution Units 96 12
TGP 15 W 15 W
iGPU FLOPS
1.9 TFLOPS
4.1 TFLOPS

Memory Support

Memory Types - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
- DDR5-5600
- LPDDR5x-7500
Max. Memory Size 64 GB 256 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core i7 1255U official page AMD Ryzen 7 8845HS official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

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Total votes: 12

Comments

So which CPU will you choose: AMD Ryzen 7 8845HS or Intel Core i7 1255U?
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