Home > CPU Comparison > Core i7 1255U or Ryzen 7 Pro 6850U: what's better?

Intel Core i7 1255U vs AMD Ryzen 7 Pro 6850U

45 out of 100
Intel Core i7 1255U
VS
49 out of 100
AMD Ryzen 7 Pro 6850U
Intel Core i7 1255U
AMD Ryzen 7 Pro 6850U

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 2.7 GHz AMD Ryzen 7 Pro 6850U 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

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.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 6850U and 1255U
Advantages of Intel Core i7 1255U
  • Has 2 more physical cores
  • 10% faster in a single-core Geekbench v6 test - 2248 vs 2044 points
Advantages of AMD Ryzen 7 Pro 6850U
  • More powerful AMD Radeon 680M integrated graphics: 3.4 vs 1.9 TFLOPS
  • More modern manufacturing process – 6 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 Pro 6850U

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)
Geekbench 6 (Multi-Core)
File compression 626.4 MB/sec 953.7 MB/sec
Clang compilation 49.1 Klines/sec 64.7 Klines/sec
HTML 5 Browser 179.7 pages/sec 184.5 pages/sec
PDF Renderer 201.5 Mpixels/sec 260 Mpixels/sec
Text processing 217.7 pages/sec 203.6 pages/sec
Background blur 31.6 images/sec 37.3 images/sec
Photo processing 71.1 images/sec 69.1 images/sec
Ray tracing 9.8 Mpixels/sec 13.2 Mpixels/sec
Sources: GeekBench [1], [2] – 1162 & 1170 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 Pro 6850U +58%
20515
Integer math 47.7 GOps/sec 78.6 GOps/sec
Floating point math 32.2 GOps/sec 42.6 GOps/sec
Find prime numbers 38M Primes/sec 56M Primes/sec
Random string sorting 16.8M Strings/sec 26.5M Strings/sec
Data encryption 9.1 GBytes/sec 15.8 GBytes/sec
Data compression 145.7 MBytes/sec 247.6 MBytes/sec
Physics 750 Frames/sec 985 Frames/sec
Extended instructions 8.2B Matrices/sec 16B Matrices/sec
Sources: PassMark [3], [4] – 4528 & 694 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 Pro 6850U +95%
150.36

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 29.7 PPW 16.7 PPW
Geekbench 6 Multi / Watt 477.3 PPW 304.2 PPW
Passmark CPU Mark / Watt 865.2 PPW 732.7 PPW
Blender / Watt 5.15 PPW 5.37 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“˜ 2026-02-13 -> Lello75Geekbench 6 CPU2315 / 7219
πŸ“˜ 2025-04-13 (kapple)Cinebench 202495 / 446
Add View all (2)
AMD Ryzen 7 Pro 6850U
DateBenchmarkResult
πŸ“˜ 2025-10-21 (Jonathan)Cinebench 202480 / 546
πŸ“˜ 2025-01-11 (Kartoffeln)Cinebench 202482 / 582
πŸ“˜ 2025-01-11 (Kartoffeln)Cinebench 202481 / 468
Add View all (3)

Specifications

Full technical specification of Intel Core i7 1255U and AMD Ryzen 7 Pro 6850U

General

Vendor Intel Amd
Released February 23, 2022 April 20, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Zen 3+ (Rembrandt)
Model number i7-1255U -
Integrated GPU Iris Xe Graphics (96EU) Radeon 680M
Successor - Intel Core Ultra 7 255U -
Intel CPU rating (#186th place)
AMD Ryzen CPU ranking (#115th place)

CPU

Performance Cores
P-Cores 2 8
P-Threads 4 16
Base Frequency (P) 1.7 GHz 2.7 GHz
Turbo Boost Frequency (P) 4.7 GHz 4.7 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 27x
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

Fabrication Process 10 nm 6 nm
TDP (PL1) 12-15 W (configurable) 15-28 W (configurable)
Max. Boost TDP (PL2) 55 W -
Socket BGA-1744 FP7
Peak Temperature 100Β°C 95Β°C

iGPU

Integrated Graphics Intel Iris Xe Graphics (96EU) AMD Radeon 680M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 1250 MHz 2200 MHz
Shading Units 768 768
TMUs 48 48
ROPs 24 32
Execution Units 96 12
TGP 15 W 15 W
iGPU FLOPS
Core i7 1255U
1.9 TFLOPS
Ryzen 7 Pro 6850U +79%
3.4 TFLOPS
More info: Radeon 680M compared to Iris Xe Graphics G7 (96EU)

Memory Support

Memory Types - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267		 - DDR5-4800
- LPDDR5-6400
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 Pro 6850U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
1 (2.9%)
33 (97.1%)
Total votes: 34

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7. Intel Core i7 1255U vs Intel Core i5 1235U (2)
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Comments

So which CPU will you choose: AMD Ryzen 7 Pro 6850U or Intel Core i7 1255U?
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