Home > CPU Comparison > Ryzen Z2 Extreme or Ryzen 7 8840U: what's better?

AMD Ryzen Z2 Extreme vs Ryzen 7 8840U

63 out of 100
AMD Ryzen Z2 Extreme
VS
57 out of 100
AMD Ryzen 7 8840U
AMD Ryzen Z2 Extreme
AMD Ryzen 7 8840U

We compared two 8-core laptop CPUs: the 2.0 GHz AMD Ryzen Z2 Extreme against the 3.3 GHz Ryzen 7 8840U. 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.
🔌 Usage Scenario:

Key Differences

What are the key differences between 8840U and Extreme
Advantages of AMD Ryzen Z2 Extreme
  • Newer - released 1 year and 6 months later
  • More powerful AMD Radeon 890M integrated graphics: 5.9 vs 4.1 TFLOPS
  • 16% faster in a single-core Geekbench v6 test - 2752 vs 2382 points
Advantages of AMD Ryzen 7 8840U
  • 2% higher Turbo Boost frequency (5.1 GHz vs 5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen Z2 Extreme
vs
Ryzen 7 8840U

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 1100 MB/sec 983.8 MB/sec
Clang compilation 77.2 Klines/sec 88.1 Klines/sec
HTML 5 Browser 264 pages/sec 235.1 pages/sec
PDF Renderer 343.4 Mpixels/sec 345.7 Mpixels/sec
Text processing 278.8 pages/sec 248.3 pages/sec
Background blur 51.9 images/sec 48.3 images/sec
Photo processing 121.5 images/sec 103.3 images/sec
Ray tracing 17.6 Mpixels/sec 20 Mpixels/sec
Sources: GeekBench [1], [2] – 10 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 81.5 GOps/sec 85.6 GOps/sec
Floating point math 50.5 GOps/sec 48.9 GOps/sec
Find prime numbers 84M Primes/sec 78M Primes/sec
Random string sorting 30.2M Strings/sec 32.4M Strings/sec
Data encryption 14.1 GBytes/sec 16.2 GBytes/sec
Data compression 279.3 MBytes/sec 267.5 MBytes/sec
Physics 1344 Frames/sec 1178 Frames/sec
Extended instructions 19.9B Matrices/sec 18.7B Matrices/sec
Sources: PassMark [3], [4] – 29 & 583 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Ryzen Z2 Extreme +28%
198.02
Ryzen 7 8840U
154.88

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 22.6 PPW 24.2 PPW
Geekbench 6 Multi / Watt 338.7 PPW 382 PPW
Passmark CPU Mark / Watt 679 PPW 779.8 PPW
Blender / Watt 5.66 PPW 5.16 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
AMD Ryzen Z2 Extreme
No benchmark results yet
Add
AMD Ryzen 7 8840U
DateBenchmarkResult
📘 2024-04-19 (koro)Cinebench 202498 / 725
Add View all (1)

Specifications

Full technical specification of AMD Ryzen Z2 Extreme and Ryzen 7 8840U

General

Vendor Amd Amd
Released June 9, 2025 December 6, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 5 (Strix Point) Zen 4 (Hawk Point)
Integrated GPU Radeon 890M Radeon 780M
Rival Equivalent - - Intel Core Ultra 7 165U
Successor - - AMD Ryzen 7 250
AMD Ryzen CPU ranking (48th and 81st place)

CPU

Performance Cores
P-Cores 3 8
P-Threads 6 16
Base Frequency (P) 2.0 GHz 3.3 GHz
Turbo Boost Frequency (P) 5 GHz 5.1 GHz
Efficient Cores
E-Cores 5 -
E-Threads 10 -
Base Frequency (E) 2.0 GHz -
Turbo Boost Frequency (E) 3.3 GHz -
Total
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 20x 33x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 16MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors - 25 billions
Fabrication Process 4 nm 4 nm
TDP (PL1) 15-35 W (configurable) 15-30 W (configurable)
Socket FP8 FP8
Peak Temperature 100°C 100°C
Laptop processors ranking (79th and 129th place)

iGPU

Integrated Graphics AMD Radeon 890M Radeon 780M
GPU Base Clock 400 MHz 800 MHz
GPU Boost Clock 2900 MHz 2700 MHz
Shading Units 1024 768
TMUs 64 48
ROPs 32 32
Execution Units 16 12
TGP 15 W 15 W
iGPU FLOPS
Ryzen Z2 Extreme +44%
5.9 TFLOPS
Ryzen 7 8840U
4.1 TFLOPS
More info: Radeon 780M compared to Radeon 890M

Memory Support

Memory Types - DDR5-5600
- LPDDR5X-8000		 - DDR5-5600
- LPDDR5x-7500
Max. Memory Size 256 GB 256 GB
Memory Channels 2 2
ECC Support Yes No

Misc

Official Site AMD Ryzen Z2 Extreme official page AMD Ryzen 7 8840U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 16 20

Cast your vote

Choose between two processors
5 (71.4%)
2 (28.6%)
Total votes: 7

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5. AMD Ryzen 7 8840U vs Intel Core Ultra 7 155U (3)
6. AMD Ryzen 7 8840U vs AMD Ryzen 5 8540U
7. AMD Ryzen 7 8840U vs Intel Core Ultra 7 155H
8. AMD Ryzen 7 8840U vs Intel Core Ultra 7 165U
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Comments

So which CPU will you choose: AMD Ryzen 7 8840U or Z2 Extreme?
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