Home > CPU Comparison > Core i7 1255U or Ryzen 7 5825U: what's better?

Intel Core i7 1255U vs AMD Ryzen 7 5825U

45 out of 100
Intel Core i7 1255U
VS
44 out of 100
AMD Ryzen 7 5825U
Intel Core i7 1255U
AMD Ryzen 7 5825U

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 2.0 GHz AMD Ryzen 7 5825U with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments (3)

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
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between 5825U and 1255U
Advantages of Intel Core i7 1255U
  • Has 2 more physical cores
  • Newer PCI Express version โ€“ 4.0
  • 16% faster in a single-core Geekbench v6 test - 2248 vs 1943 points
  • 4% higher Turbo Boost frequency (4.7 GHz vs 4.5 GHz)
Advantages of AMD Ryzen 7 5825U
  • More modern manufacturing process โ€“ 7 versus 10 nanometers
  • Has 4 MB larger L3 cache size

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i7 1255U
vs
Ryzen 7 5825U

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Core i7 1255U +16%
2248
Ryzen 7 5825U
1943
Geekbench 6 (Multi-Core)
File compression 626.4 MB/sec 577.5 MB/sec
Clang compilation 49.1 Klines/sec 63.5 Klines/sec
HTML 5 Browser 179.7 pages/sec 107.2 pages/sec
PDF Renderer 201.5 Mpixels/sec 192.2 Mpixels/sec
Text processing 217.7 pages/sec 194.6 pages/sec
Background blur 31.6 images/sec 32.2 images/sec
Photo processing 71.1 images/sec 46.4 images/sec
Ray tracing 9.8 Mpixels/sec 16 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 1162 & 1072 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i7 1255U
12978
Ryzen 7 5825U +37%
17819
Integer math 47.7 GOps/sec 70.7 GOps/sec
Floating point math 32.2 GOps/sec 37.7 GOps/sec
Find prime numbers 38M Primes/sec 47M Primes/sec
Random string sorting 16.8M Strings/sec 23.1M Strings/sec
Data encryption 9.1 GBytes/sec 13.8 GBytes/sec
Data compression 145.7 MBytes/sec 218.2 MBytes/sec
Physics 750 Frames/sec 777 Frames/sec
Extended instructions 8.2B Matrices/sec 14.2B Matrices/sec
Sources: PassMark [3], [4] โ€“ 4528 & 3122 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i7 1255U
77.28
Ryzen 7 5825U +71%
131.89

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 29.7 PPW 35.3 PPW
Geekbench 6 Multi / Watt 477.3 PPW 470.3 PPW
Passmark CPU Mark / Watt 865.2 PPW 1187.9 PPW
Blender / Watt 5.15 PPW 8.79 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
๐Ÿ“˜ 2026-02-13 -> Lello75GeekBench2315 / 7219
๐Ÿ“˜ 2025-04-13 (kapple)Cinebench 202495 / 446
Add View all (2)
AMD Ryzen 7 5825U
No benchmark results yet
Add

Specifications

Full technical specification of Intel Core i7 1255U and AMD Ryzen 7 5825U

General

Vendor Intel Amd
Released February 23, 2022 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake -
Model number i7-1255U -
Integrated GPU Iris Xe Graphics (96EU) Radeon RX Vega 8 (Ryzen 4000)
Rival Equivalent - - Intel Core i7 1270P
Successor - Intel Core Ultra 7 255U - AMD Ryzen 7 7730U
Intel CPU rating (#185th place)
AMD Ryzen CPU ranking (#143rd place)

CPU

Performance Cores
P-Cores 2 8
P-Threads 4 16
Base Frequency (P) 1.7 GHz 2.0 GHz
Turbo Boost Frequency (P) 4.7 GHz 4.5 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 20x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 512K (per core)
L3 Cache 12MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors - 10.7 billions
Fabrication Process 10 nm 7 nm
TDP (PL1) 12-15 W (configurable) 15 W
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 FP6
Peak Temperature 100ยฐC 95ยฐC

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) AMD Radeon RX Vega 8 (Ryzen 4000)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1250 MHz 2000 MHz
Shading Units 768 512
TMUs 48 32
ROPs 24 8
Execution Units 96 8
TGP 15 W 25 W
iGPU FLOPS
Core i7 1255U
1.9 TFLOPS
Ryzen 7 5825U +5%
2 TFLOPS
More info: Radeon RX Vega 8 compared to Iris Xe Graphics G7 (96EU)

Memory Support

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

Misc

Official Site Intel Core i7 1255U official page AMD Ryzen 7 5825U official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
205 (31.8%)
440 (68.2%)
Total votes: 645

Competitors

1. Intel Core i7 1255U vs Intel Core i5 1235U (2)
2. Intel Core i7 1255U vs AMD Ryzen 7 7730U
3. Intel Core i7 1255U vs Intel Core i7 1355U (1)
4. Intel Core i7 1255U vs AMD Ryzen 7 5700U
5. Intel Core i7 1255U vs Intel Core i5 1335U (2)
6. AMD Ryzen 7 5825U vs AMD Ryzen 7 5700U (5)
7. AMD Ryzen 7 5825U vs AMD Ryzen 7 7730U (2)
8. AMD Ryzen 7 5825U vs AMD Ryzen 5 7530U
9. AMD Ryzen 7 5825U vs Intel Core i5 1235U
Compare other CPUs (460+)

Comments

So which CPU will you choose: AMD Ryzen 7 5825U or Intel Core i7 1255U?
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Avatar
Chris D December 29, 2022 at 10:36 PM
Intel's single-thread performance works best with most CAD applications that don't utilize multi-threads.
+95 Reply
Avatar
A December 17, 2022 at 08:44 AM
I choose the Intel i7 1255U for better performance after opening multiple windows and apps.
+198 Reply
Avatar
Marcel August 8, 2023 at 09:22 AM
Well, in fact, that is the point where the AMD is stronger.
+62 Reply
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