Home > CPU Comparison > Ryzen 5 8640U or Ryzen 5 3500U: what's better?

AMD Ryzen 5 8640U vs Ryzen 5 3500U

56 out of 100
AMD Ryzen 5 8640U
VS
27 out of 100
AMD Ryzen 5 3500U
AMD Ryzen 5 8640U
AMD Ryzen 5 3500U

We compared two laptop CPUs: the 3.5 GHz AMD Ryzen 5 8640U with 6-cores against the 2.1 GHz Ryzen 5 3500U with 4-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.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between 3500U and 8640U
Advantages of AMD Ryzen 5 8640U
  • Supports up to 256 GB DDR5-5600 RAM
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More modern manufacturing process โ€“ 4 versus 12 nanometers
  • Newer - released 5 years later
  • 2.4x faster in a single-core Geekbench v6 test - 2519 vs 1044 points
  • More powerful Radeon 760M integrated graphics: 2.7 vs 1.2 TFLOPS
  • Has 2 more physical cores
  • 32% higher Turbo Boost frequency (4.9 GHz vs 3.7 GHz)
  • Newer PCI Express version โ€“ 4.0

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 5 8640U
vs
Ryzen 5 3500U

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)
Ryzen 5 8640U +141%
2519
Ryzen 5 3500U
1044
Geekbench 6 (Multi-Core)
Ryzen 5 8640U +258%
10308
Ryzen 5 3500U
2880
File compression 1080 MB/sec 310.7 MB/sec
Clang compilation 71 Klines/sec 19.2 Klines/sec
HTML 5 Browser 226.5 pages/sec 71.5 pages/sec
PDF Renderer 260.8 Mpixels/sec 92 Mpixels/sec
Text processing 259.8 pages/sec 88.3 pages/sec
Background blur 48.1 images/sec 11.3 images/sec
Photo processing 94.5 images/sec 28 images/sec
Ray tracing 15.5 Mpixels/sec 4.41 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 6 & 774 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Ryzen 5 8640U +81%
3459
Ryzen 5 3500U
1911
Passmark CPU (Multi-Core)
Ryzen 5 8640U +194%
19989
Ryzen 5 3500U
6809
Integer math 66.4 GOps/sec 24.5 GOps/sec
Floating point math 39.6 GOps/sec 12.4 GOps/sec
Find prime numbers 68M Primes/sec 15M Primes/sec
Random string sorting 27.7M Strings/sec 10.9M Strings/sec
Data encryption 13.7 GBytes/sec 5.9 GBytes/sec
Data compression 226.7 MBytes/sec 93.6 MBytes/sec
Physics 1015 Frames/sec 367 Frames/sec
Extended instructions 16.4B Matrices/sec 3.5B Matrices/sec
Sources: PassMark [3], [4] โ€“ 41 & 5693 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 20.4 PPW 4.3 PPW
Geekbench 6 Multi / Watt 343.6 PPW 82.3 PPW
Passmark CPU Mark / Watt 666.3 PPW 194.5 PPW
Blender / Watt - 0.98 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 5 8640U
No benchmark results yet
Add
AMD Ryzen 5 3500U
DateBenchmarkResult
๐Ÿ“˜ 2025-02-25 (Kirill_009)GeekBench643 / 1815
Add View all (1)

Specifications

Full technical specification of AMD Ryzen 5 8640U and Ryzen 5 3500U

General

Vendor Amd Amd
Released December 6, 2023 January 6, 2019
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 4 (Hawk Point) Zen+ (Picasso)
Integrated GPU Radeon 760M Radeon Vega 8
Rival Equivalent - Intel Core Ultra 7 155U - Intel Core i5 1035G7
Successor - - AMD Ryzen 5 8640U
AMD Ryzen CPU ranking (86th and 187th place)

CPU

Performance Cores
P-Cores 6 4
P-Threads 12 8
Base Frequency (P) 3.5 GHz 2.1 GHz
Turbo Boost Frequency (P) 4.9 GHz 3.7 GHz
Total
Total Cores 6 4
Total Threads 12 8
Bus Frequency 100 MHz 100 MHz
Multiplier 35x 21x
L1 Cache 64K (per core) 96K (per core)
L2 Cache 1MB (per core) 512K (per core)
L3 Cache 16MB (shared) 4MB (shared)
Unlocked Multiplier No No

Package

Transistors 25 billions 4.9 billions
Fabrication Process 4 nm 12 nm
TDP (PL1) 15-30 W (configurable) 12-35 W (configurable)
Socket FP8 FP5
Peak Temperature 100ยฐC 105ยฐC

iGPU

Integrated Graphics Radeon 760M Radeon Vega 8
GPU Base Clock 800 MHz 300 MHz
GPU Boost Clock 2600 MHz 1200 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 8
Execution Units 8 8
TGP 15 W 25 W
iGPU FLOPS
Ryzen 5 8640U +125%
2.7 TFLOPS
Ryzen 5 3500U
1.2 TFLOPS
More info: Radeon RX Vega 8 compared to Radeon 760M

Memory Support

Memory Types - DDR5-5600
- LPDDR5x-7500		 - DDR4-2400
Max. Memory Size 256 GB 32 GB
Memory Channels 2 2
Max. Memory Bandwidth - 35.76 GB/s
ECC Support No Yes

Misc

Official Site AMD Ryzen 5 8640U official page AMD Ryzen 5 3500U official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 12

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Competitors

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5. AMD Ryzen 5 8640U vs Intel Core Ultra 5 135U
6. AMD Ryzen 5 8640U vs AMD Ryzen 5 7540U
7. AMD Ryzen 5 3500U vs Intel Core i3 1215U
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9. AMD Ryzen 5 3500U vs Intel Core i3 1115G4 (3)
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Comments

So which CPU will you choose: AMD Ryzen 5 3500U or Ryzen 5 8640U?
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