Intel Core Ultra 7 255H vs AMD Ryzen 7 6800H

We compared two laptop CPUs: the 2.0 GHz Intel Core Ultra 7 255H with 16-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
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 6800H and 255H
Advantages of Intel Core Ultra 7 255H
  • Newer - released 3 years later
  • More modern manufacturing process – 3 versus 6 nanometers
  • Has 8 more physical cores
  • Supports up to 128 GB LPDDR5-8400 RAM
  • Has 8 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More powerful Arc Graphics 140T integrated graphics: 4.6 vs 3.4 TFLOPS
  • 44% faster in a single-core Geekbench v6 test - 2725 vs 1891 points
  • Newer PCI Express version – 5.0
  • More than 15Β° C higher critical temperature
  • 9% higher Turbo Boost frequency (5.1 GHz vs 4.7 GHz)

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
Cinebench Scores (#143rd place)

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 1270 MB/sec 944.9 MB/sec
Clang compilation 103.2 Klines/sec 68.6 Klines/sec
HTML 5 Browser 399 pages/sec 196.3 pages/sec
PDF Renderer 443.6 Mpixels/sec 295.8 Mpixels/sec
Text processing 283.7 pages/sec 194.5 pages/sec
Background blur 62.4 images/sec 46 images/sec
Photo processing 144.8 images/sec 84.4 images/sec
Ray tracing 24 Mpixels/sec 17.9 Mpixels/sec
Sources: GeekBench [1], [2] – 1144 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
30724
Integer math 78.1 GOps/sec 84 GOps/sec
Floating point math 98.9 GOps/sec 47.3 GOps/sec
Find prime numbers 303M Primes/sec 57M Primes/sec
Random string sorting 36.1M Strings/sec 30.2M Strings/sec
Data encryption 23.4 GBytes/sec 17.9 GBytes/sec
Data compression 299.1 MBytes/sec 289.4 MBytes/sec
Physics 2251 Frames/sec 1027 Frames/sec
Extended instructions 23.8B Matrices/sec 19.8B Matrices/sec
Sources: PassMark [3], [4] – 2020 & 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 37.5 PPW 15.8 PPW
Geekbench 6 Multi / Watt 540.1 PPW 215.8 PPW
Passmark CPU Mark / Watt 1097.3 PPW 504.7 PPW
Blender / Watt 9.83 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 Ultra 7 255H
DateBenchmarkResult
πŸ“˜ 2026-09-06 -> xnullcodeGeekbench 6 CPU3009 / 11440
πŸ“˜ 2026-08-15 -> xnullcodeGeekbench 6 CPU2849 / 11877
πŸ“˜ 2026-08-15 -> xnullcodeGeekbench 6 CPU2848 / 11898
πŸ“˜ 2026-08-15 -> xnullcodeCinebench 20260 / 3496
πŸ“˜ 2026-08-15 (xnullcode)Geekbench 6 CPU2708 / 11477
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 Ultra 7 255H and AMD Ryzen 7 6800H

General

Vendor Intel Amd
Released January 6, 2025 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Zen 3+ (Rembrandt)
Model number 255H -
Integrated GPU Arc Graphics 140T Radeon 680M
Rival Equivalent - AMD Ryzen AI 7 350 - Intel Core i7 12800H
Intel CPU rating (#50th place)
AMD Ryzen CPU ranking (#111th place)

CPU

Performance Cores
P-Cores 6 8
P-Threads 6 16
Base Frequency (P) 2.0 GHz 3.2 GHz
Turbo Boost Frequency (P) 5.1 GHz 4.7 GHz
Efficient Cores
E-Cores 10 -
E-Threads 10 -
Base Frequency (E) 1.5 GHz -
Turbo Boost Frequency (E) 4.4 GHz -
Total
Total Cores 16 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 20x 32x
L1 Cache 192K (per core) 64K (per core)
L2 Cache 2MB (per core) 512K (per core)
L3 Cache 24MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 3 nm 6 nm
TDP (PL1) 20-28 W (configurable) 45 W
Max. Boost TDP (PL2) 115 W -
Socket FCBGA-2049 FP7
Peak Temperature 110Β°C 95Β°C
Laptop processors ranking (61st and 193rd place)

iGPU

Integrated Graphics Arc Graphics 140T AMD Radeon 680M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 2250 MHz 2200 MHz
Shading Units 1024 768
TMUs 64 48
ROPs 32 32
Execution Units 8 12
TGP 35 W 15 W
iGPU FLOPS
4.6 TFLOPS
3.4 TFLOPS

Memory Support

Memory Types - LPDDR5-8400
- LPDDR5x-8400
- DDR5-6400
- DDR5-4800
- LPDDR5-6400
Max. Memory Size 128 GB 64 GB
Memory Channels 2 2
Max. Memory Bandwidth - 76.8 GB/s
ECC Support No Yes

Misc

Official Site Intel Core Ultra 7 255H official page AMD Ryzen 7 6800H official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

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Comments

So which CPU will you choose: AMD Ryzen 7 6800H or Intel Core Ultra 7 255H?
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