Home > CPU Comparison > Ryzen 7 6800U​ or Ryzen 5 7640U: what's better?

AMD Ryzen 7 6800U​ vs Ryzen 5 7640U

49 out of 100
AMD Ryzen 7 6800U​
VS
54 out of 100
AMD Ryzen 5 7640U
AMD Ryzen 7 6800U​
AMD Ryzen 5 7640U

We compared two laptop CPUs: the 2.7 GHz AMD Ryzen 7 6800U​ with 8-cores against the 3.5 GHz Ryzen 5 7640U with 6-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.
🔌 Usage Scenario:

Key Differences

What are the key differences between 7640U and 6800U​
Advantages of AMD Ryzen 7 6800U​
  • Has 2 more physical cores
  • More powerful AMD Radeon 680M integrated graphics: 3.4 vs 2.7 TFLOPS
Advantages of AMD Ryzen 5 7640U
  • Supports up to 256 GB DDR5-5600 RAM
  • More modern manufacturing process – 4 versus 6 nanometers
  • Newer - released 1 year and 4 months later
  • 19% faster in a single-core Geekbench v6 test - 2338 vs 1967 points
  • 4% higher Turbo Boost frequency (4.9 GHz vs 4.7 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 7 6800U​
vs
Ryzen 5 7640U

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 773.1 MB/sec 1190 MB/sec
Clang compilation 62.6 Klines/sec 72.3 Klines/sec
HTML 5 Browser 163.8 pages/sec 219.7 pages/sec
PDF Renderer 259.3 Mpixels/sec 267.6 Mpixels/sec
Text processing 199.8 pages/sec 242.2 pages/sec
Background blur 36.8 images/sec 46.3 images/sec
Photo processing 66.5 images/sec 94.5 images/sec
Ray tracing 14.9 Mpixels/sec 15.4 Mpixels/sec
Sources: GeekBench [1], [2] – 675 & 695 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 78.7 GOps/sec 67.2 GOps/sec
Floating point math 43.1 GOps/sec 39.2 GOps/sec
Find prime numbers 57M Primes/sec 72M Primes/sec
Random string sorting 26.6M Strings/sec 28.2M Strings/sec
Data encryption 15.9 GBytes/sec 14.2 GBytes/sec
Data compression 250.8 MBytes/sec 228.8 MBytes/sec
Physics 978 Frames/sec 1145 Frames/sec
Extended instructions 16.5B Matrices/sec 16.4B Matrices/sec
Sources: PassMark [3], [4] – 535 & 139 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 20.2 PPW 19.9 PPW
Geekbench 6 Multi / Watt 293.5 PPW 347.3 PPW
Passmark CPU Mark / Watt 740.4 PPW 675.4 PPW
Blender / Watt - 5.74 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 7 6800U​
No benchmark results yet
Add
AMD Ryzen 5 7640U
DateBenchmarkResult
📘 2026-04-06 (GenerallyThrawn)Geekbench 6 CPU2338 / 10420
📘 2025-08-20 (Doug Trenton)Geekbench 6 CPU2523 / 11201
Add View all (2)

Specifications

Full technical specification of AMD Ryzen 7 6800U​ and Ryzen 5 7640U

General

Vendor Amd Amd
Released January 4, 2022 May 3, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 3+ (Rembrandt) Zen 4 (Phoenix)
Integrated GPU Radeon 680M Radeon 760M
Rival Equivalent - Intel Core i7 1280P - Intel Core i5 1340P
Successor - AMD Ryzen 7 250 - AMD Ryzen 5 8640U
AMD Ryzen CPU ranking (116th and 92nd place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 16 12
Base Frequency (P) 2.7 GHz 3.5 GHz
Turbo Boost Frequency (P) 4.7 GHz 4.9 GHz
Total
Total Cores 8 6
Total Threads 16 12
Bus Frequency 100 MHz 100 MHz
Multiplier 27x 35x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 512K (per core) 1MB (per core)
L3 Cache 16MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors - 25 billions
Fabrication Process 6 nm 4 nm
TDP (PL1) 15-28 W (configurable) 15-30 W (configurable)
Socket FP7 FP8
Peak Temperature 95°C 100°C

iGPU

Integrated Graphics AMD Radeon 680M Radeon 760M
GPU Base Clock 400 MHz 800 MHz
GPU Boost Clock 2200 MHz 2600 MHz
Shading Units 768 512
TMUs 48 32
ROPs 32 16
Execution Units 12 8
TGP 15 W 15 W
iGPU FLOPS
Ryzen 7 6800U​ +26%
3.4 TFLOPS
Ryzen 5 7640U
2.7 TFLOPS
More info: Radeon 760M compared to Radeon 680M

Memory Support

Memory Types - DDR5-4800
- LPDDR5-6400		 - DDR5-5600
- LPDDR5x-7500
Max. Memory Size 64 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s -
ECC Support No No

Misc

Official Site AMD Ryzen 7 6800U​ official page AMD Ryzen 5 7640U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20
Further details
Notes on Ryzen 5 7640U:
    - DDR5 memory is supported only on the FP7r2 socket, while FP7 and FP8 sockets support LPDDR5/x.
    - ECC support is available exclusively on the FP7r2 socket.

Cast your vote

Choose between two processors
5 (12.8%)
34 (87.2%)
Total votes: 39

Competitors

1. AMD Ryzen 7 6800U​ vs AMD Ryzen 7 7840U (1)
2. AMD Ryzen 7 6800U​ vs AMD Ryzen 7 7730U
3. AMD Ryzen 7 6800U​ vs AMD Ryzen 7 7735U (2)
4. AMD Ryzen 5 7640U vs Apple M1
5. AMD Ryzen 5 7640U vs AMD Ryzen 7 7840U (1)
6. AMD Ryzen 5 7640U vs Intel Core i5 1340P (1)
7. AMD Ryzen 5 7640U vs Apple M2
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Comments

So which CPU will you choose: AMD Ryzen 5 7640U or Ryzen 7 6800U​?
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