Intel Core i5-1235U vs AMD Ryzen 5 7645HX

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-1235U or Intel Core i5-1235U – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i5-1235U features 10 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i5 series.
To use the Intel Core i5-1235U, you'll need a motherboard with a BGA 1744 socket.
The AMD Ryzen 5 7645HX features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 5 series.
To use the AMD Ryzen 5 7645HX, you'll need a motherboard with a FL1 socket.
Mobile Segment Mobile
Intel Core i5-1235U Name AMD Ryzen 5 7645HX
Intel Core i 1200P/1200U Group AMD Ryzen 7045
12 Generation 6
Intel Core i5 Family AMD Ryzen 5
 
 

CPU Cores and Base Frequency

The Intel Core i5-1235U has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 1.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
The AMD Ryzen 5 7645HX has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the AMD Ryzen 5 7645HX is 4.0 GHz
and turbo frequency for one core is 5.0 GHz.
1.3 GHz A-Core Frequency None
2x Golden Cove Cores A None
10 CPU Cores 6
None None 5.0 GHz
0.9 GHz B-Core Frequency None
4.4 GHz A-Core Frequency Turbo None
3.3 GHz B-Core Frequency Turbo None
None None 6x Zen 4
12 Threads 12
Yes Hyperthreading Yes
None None 4.0 GHz
hybrid (big.LITTLE) Core architecture normal
No Overclocking Yes
8x Gracemont Cores B None
 
 

Internal Graphics

The Intel Core i5-1235U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-1235U uses the Intel Iris Xe Graphics 80 (Alder Lake), which has 640 texture shaders
and 80 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen 5 7645HX has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 5 7645HX uses the AMD Radeon 610M Graphics, which has 128 texture shaders
and 2 execution units.
12.1 Direct X 12
80 Execution units 2
32.0 GB Max. GPU Memory 8.0 GB
-- Max. displays --
Q1/2022 Release date Q3/2022
1.2 GHz GPU (Turbo) 2.2 GHz
640 Shaders 128
Intel Iris Xe Graphics 80 (Alder Lake) GPU name AMD Radeon 610M Graphics
13 Generation 9
0.35 GHz GPU frequency 0.4 GHz
10 nm Technology 6 nm
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode VP8 Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode AV1 Decode
Decode VC-1 Decode
Decode / Encode h264 Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode JPEG Decode / Encode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 83.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200 Memory type DDR5-5200
76.8 GB/s Bandwidth 83.2 GB/s
No ECC Yes
2 Memory channels 2
pci PCIe pci
Yes AES-NI Yes
64.0 GB Max. Memory 128.0 GB
 
 

Thermal Management

The processor has a thermal design power (TDP) of 15 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 55 W watts.
None TDP up 75 W
55 W TDP (PL2) None
None TDP down 45 W
100 °C Tjunction max 100 °C
15 W TDP (PL1 / PBP) 55 W
 
 

Technical details

The Intel Core i5-1235U is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 12.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 5 7645HX is manufactured using a 5 nm process.
In total, this processor boasts a generous 32.0 MB cache.
Monolithic Chip design Chiplet
12.0 MB L3-Cache 32.0 MB
BGA 1744 Socket FL1
Technical data sheet Documents Technical data sheet
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
6.5 MB L2-Cache 6.0 MB
Q1/2022 Release date Q1/2023
Alder Lake U Architecture Dragon Range (Zen 4)
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Release price --
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
-- Part Number 100-000000872
10 nm Technology 5 nm