Home > CPU Comparison > Core Ultra 5 135U or Ryzen 5 8640U: what's better?

Intel Core Ultra 5 135U vs AMD Ryzen 5 8640U

48 out of 100
Intel Core Ultra 5 135U
VS
56 out of 100
AMD Ryzen 5 8640U
Intel Core Ultra 5 135U
AMD Ryzen 5 8640U

We compared two laptop CPUs: the 1.6 GHz Intel Core Ultra 5 135U with 12-cores against the 3.5 GHz AMD Ryzen 5 8640U 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 8640U and 135U
Advantages of Intel Core Ultra 5 135U
  • Has 6 more physical cores
  • More than 10° C higher critical temperature
Advantages of AMD Ryzen 5 8640U
  • Supports up to 256 GB DDR5-5600 RAM
  • More modern manufacturing process – 4 versus 7 nanometers
  • More powerful Radeon 760M integrated graphics: 2.7 vs 1.9 TFLOPS
  • Has 4 MB larger L3 cache size
  • 19% faster in a single-core Geekbench v6 test - 2519 vs 2112 points
  • 11% higher Turbo Boost frequency (4.9 GHz vs 4.4 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 5 135U
vs
Ryzen 5 8640U

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 841 MB/sec 1080 MB/sec
Clang compilation 66.5 Klines/sec 71 Klines/sec
HTML 5 Browser 208.4 pages/sec 226.5 pages/sec
PDF Renderer 242.1 Mpixels/sec 260.8 Mpixels/sec
Text processing 212.4 pages/sec 259.8 pages/sec
Background blur 36.9 images/sec 48.1 images/sec
Photo processing 77.7 images/sec 94.5 images/sec
Ray tracing 12.8 Mpixels/sec 15.5 Mpixels/sec
Sources: GeekBench [1], [2] – 9 & 6 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core Ultra 5 135U
16614
Ryzen 5 8640U +20%
19989
Integer math 55.4 GOps/sec 66.4 GOps/sec
Floating point math 39.7 GOps/sec 39.6 GOps/sec
Find prime numbers 65M Primes/sec 68M Primes/sec
Random string sorting 20.6M Strings/sec 27.7M Strings/sec
Data encryption 11.6 GBytes/sec 13.7 GBytes/sec
Data compression 185.5 MBytes/sec 226.7 MBytes/sec
Physics 1090 Frames/sec 1015 Frames/sec
Extended instructions 10.5B Matrices/sec 16.4B Matrices/sec
Sources: PassMark [3], [4] – 1153 & 41 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 42.5 PPW 20.4 PPW
Geekbench 6 Multi / Watt 724.8 PPW 343.6 PPW
Passmark CPU Mark / Watt 1384.5 PPW 666.3 PPW
Blender / Watt 12.46 PPW -
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Intel Core Ultra 5 135U and AMD Ryzen 5 8640U

General

Vendor Intel Amd
Released December 14, 2023 December 6, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Meteor Lake Zen 4 (Hawk Point)
Model number 135U -
Integrated GPU Arc Graphics (4-Cores) Radeon 760M
Rival Equivalent - AMD Ryzen 5 8640U - Intel Core Ultra 7 155U
Successor - Intel Core Ultra 5 235U -
Intel CPU rating (#167th place)
AMD Ryzen CPU ranking (#86th place)

CPU

Performance Cores
P-Cores 2 6
P-Threads 4 12
Base Frequency (P) 1.6 GHz 3.5 GHz
Turbo Boost Frequency (P) 4.4 GHz 4.9 GHz
Efficient Cores
E-Cores 10 -
E-Threads 10 -
Base Frequency (E) 1.1 GHz -
Turbo Boost Frequency (E) 3.6 GHz -
Total
Total Cores 12 6
Total Threads 14 12
Bus Frequency 100 MHz 100 MHz
Multiplier 16x 35x
L1 Cache 112K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 12MB (shared) 16MB (shared)
Unlocked Multiplier No No

Package

Transistors - 25 billions
Fabrication Process 7 nm 4 nm
TDP (PL1) 12 W 15-30 W (configurable)
Max. Boost TDP (PL2) 57 W -
Socket FCBGA-2049 FP8
Peak Temperature 110°C 100°C

iGPU

Integrated Graphics Arc Graphics (4-Cores) Radeon 760M
GPU Base Clock 300 MHz 800 MHz
GPU Boost Clock 1900 MHz 2600 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 16
Execution Units 64 8
TGP 14 W 15 W
iGPU FLOPS
Core Ultra 5 135U
1.9 TFLOPS
Ryzen 5 8640U +42%
2.7 TFLOPS
More info: Radeon 760M compared to Arc iGPU (4-Cores)

Memory Support

Memory Types - LPDDR5-7467
- LPDDR5x-7467
- DDR5-5600		 - DDR5-5600
- LPDDR5x-7500
Max. Memory Size 96 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support No No

Misc

Official Site Intel Core Ultra 5 135U official page AMD Ryzen 5 8640U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
4 (25%)
12 (75%)
Total votes: 16

Competitors

1. Intel Core Ultra 5 135U vs Intel Core i5 1345U
2. Intel Core Ultra 5 135U vs Intel Core i5 1335U
3. Intel Core Ultra 5 135U vs Intel Core Ultra 7 165U
4. Intel Core Ultra 5 135U vs Intel Core Ultra 5 135H
5. Intel Core Ultra 5 135U vs Intel Core Ultra 7 155U
6. AMD Ryzen 5 8640U vs AMD Ryzen 7 8840U
7. AMD Ryzen 5 8640U vs AMD Ryzen 7 7735U
8. AMD Ryzen 5 8640U vs Intel Core Ultra 5 125U
9. AMD Ryzen 5 8640U vs Intel Core i5 1335U
10. AMD Ryzen 5 8640U vs AMD Ryzen 5 7540U
Compare other CPUs (460+)

Comments

So which CPU will you choose: AMD Ryzen 5 8640U or Intel Core Ultra 5 135U?
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