Intel Core i5 1235U vs AMD Ryzen 5 6600U

We compared two laptop CPUs: the 1.3 GHz Intel Core i5 1235U with 10-cores against the 2.9 GHz AMD Ryzen 5 6600U with 6-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 6600U and 1235U
Advantages of Intel Core i5 1235U
  • Consumes up to 46% less energy than the Ryzen 5 6600U – 15 vs 28 Watt
  • Has 4 more physical cores
Advantages of AMD Ryzen 5 6600U
  • More modern manufacturing process – 6 versus 10 nanometers
  • Has 4 MB larger L3 cache size
  • 2% higher Turbo Boost frequency (4.5 GHz vs 4.4 GHz)


Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Full technical specification of Intel Core i5 1235U and AMD Ryzen 5 6600U


Vendor Intel AMD
Released February 23, 2022 January 4, 2022
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake-U Rembrandt
Model number i5-1235U -
Socket BGA-1744 FP7
Integrated GPU Iris Xe Graphics (80EU) Radeon 660M


Cores 10 6
Threads 12 12
Base Frequency 1.3 GHz 2.9 GHz
Turbo Boost Frequency 4.4 GHz 4.5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 13x 29x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 512K (per core)
L3 Cache 12MB (shared) 16MB (shared)
Unlocked Multiplier No No


Fabrication process 10 nm 6 nm
TDP 12-15 W 15-28 W
Max. temperature 100°C 95°C


Integrated Graphics Intel Iris Xe Graphics (80EU) AMD Radeon 660M
GPU Base Clock 300 MHz 1500 MHz
GPU Boost Clock 1200 MHz 1900 MHz
Shading Units 640 384
TMUs 40 24
ROPs 20 16
Execution Units 80 6
TGP 15 W 15 W

Memory support

Memory types DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 DDR5-4800, LPDDR5-6400
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth - 76.8 GB/s
ECC Support No No


Official site Intel Core i5 1235U official page AMD Ryzen 5 6600U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
6 (7.4%)
75 (92.6%)
Total votes: 81


So which CPU will you choose: AMD Ryzen 5 6600U or Intel Core i5 1235U?