Intel Core i7 1255U vs AMD Ryzen 7 6800H

45 out of 100
Intel Core i7 1255U
VS
51 out of 100
AMD Ryzen 7 6800H

We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 3.2 GHz AMD Ryzen 7 6800H 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
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 6800H and 1255U
Advantages of Intel Core i7 1255U
  • Has 2 more physical cores
  • 19% faster in a single-core Geekbench v6 test - 2248 vs 1891 points
Advantages of AMD Ryzen 7 6800H
  • 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

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) - 437
Cinebench 2026 (Multi) - 3117

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
2248
Geekbench 6 (Multi-Core)
9712
File compression 626.4 MB/sec 944.9 MB/sec
Clang compilation 49.1 Klines/sec 68.6 Klines/sec
HTML 5 Browser 179.7 pages/sec 196.3 pages/sec
PDF Renderer 201.5 Mpixels/sec 295.8 Mpixels/sec
Text processing 217.7 pages/sec 194.5 pages/sec
Background blur 31.6 images/sec 46 images/sec
Photo processing 71.1 images/sec 84.4 images/sec
Ray tracing 9.8 Mpixels/sec 17.9 Mpixels/sec
Sources: GeekBench [1], [2] – 1162 & 1144 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
22711
Integer math 47.7 GOps/sec 84 GOps/sec
Floating point math 32.2 GOps/sec 47.3 GOps/sec
Find prime numbers 38M Primes/sec 57M Primes/sec
Random string sorting 16.8M Strings/sec 30.2M Strings/sec
Data encryption 9.1 GBytes/sec 17.9 GBytes/sec
Data compression 145.7 MBytes/sec 289.4 MBytes/sec
Physics 750 Frames/sec 1027 Frames/sec
Extended instructions 8.2B Matrices/sec 19.8B Matrices/sec
Sources: PassMark [3], [4] – 4528 & 3926 samples

Blender

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

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 29.7 PPW 15.8 PPW
Geekbench 6 Multi / Watt 477.3 PPW 215.8 PPW
Passmark CPU Mark / Watt 865.2 PPW 504.7 PPW
Blender / Watt 5.15 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
AMD Ryzen 7 6800H
DateBenchmarkResult
πŸ“˜ 2026-07-03 (Sarfraz)Cinebench 2024434 / 2815
πŸ“˜ 2026-04-01 (Ronak Sarkar)Cinebench 2026437 / 3117
πŸ“˜ 2025-03-09 (Lex)Cinebench 202442 / 391
πŸ“˜ 2025-01-12 (Edu)Cinebench 202487 / 713

Specifications

Full technical specification of Intel Core i7 1255U and AMD Ryzen 7 6800H

General

Vendor Intel Amd
Released February 23, 2022 January 4, 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
Rival Equivalent - - Intel Core i7 12800H
Successor - Intel Core Ultra 7 255U -
Intel CPU rating (#186th place)
AMD Ryzen CPU ranking (#111th place)

CPU

Performance Cores
P-Cores 2 8
P-Threads 4 16
Base Frequency (P) 1.7 GHz 3.2 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 32x
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) 45 W
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
1.9 TFLOPS
3.4 TFLOPS

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
Max. Memory Bandwidth - 76.8 GB/s
ECC Support No Yes

Misc

Official Site Intel Core i7 1255U official page AMD Ryzen 7 6800H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
7 (7.4%)
88 (92.6%)
Total votes: 95

Comments

So which CPU will you choose: AMD Ryzen 7 6800H or Intel Core i7 1255U?
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