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.
Intel Core i5-1235U Name AMD Ryzen 5 7645HX
Intel Core i5 Family AMD Ryzen 5
Intel Core i 1200P/1200U Group AMD Ryzen 7045
Mobile Segment Mobile
12 Generation 6
 
 

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
None None 6x Zen 4
2x Golden Cove Cores A None
0.9 GHz B-Core Frequency None
Yes Hyperthreading Yes
hybrid (big.LITTLE) Core architecture normal
10 CPU Cores 6
3.3 GHz B-Core Frequency Turbo None
4.4 GHz A-Core Frequency Turbo None
12 Threads 12
No Overclocking Yes
8x Gracemont Cores B None
None None 5.0 GHz
None None 4.0 GHz
 
 

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.
1.2 GHz GPU (Turbo) 2.2 GHz
12.1 Direct X 12
32.0 GB Max. GPU Memory 8.0 GB
0.35 GHz GPU frequency 0.4 GHz
-- Max. displays --
13 Generation 9
Q1/2022 Release date Q3/2022
640 Shaders 128
10 nm Technology 6 nm
Intel Iris Xe Graphics 80 (Alder Lake) GPU name AMD Radeon 610M Graphics
80 Execution units 2
 
 

Artificial Intelligence and Machine Learning

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

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 / Encode JPEG Decode / Encode
Decode VC-1 Decode
Decode / Encode AVC Decode / Encode
Decode AV1 Decode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode VP8 Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode h264 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.
No ECC Yes
DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200 Memory type DDR5-5200
pci PCIe pci
Yes AES-NI Yes
64.0 GB Max. Memory 128.0 GB
76.8 GB/s Bandwidth 83.2 GB/s
2 Memory channels 2
 
 

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.
15 W TDP (PL1 / PBP) 55 W
55 W TDP (PL2) None
None TDP down 45 W
None TDP up 75 W
100 °C Tjunction max 100 °C
 
 

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.
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
BGA 1744 Socket FL1
12.0 MB L3-Cache 32.0 MB
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Q1/2022 Release date Q1/2023
Technical data sheet Documents Technical data sheet
-- Release price --
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512
Alder Lake U Architecture Dragon Range (Zen 4)
-- Part Number 100-000000872
10 nm Technology 5 nm
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
6.5 MB L2-Cache 6.0 MB
Monolithic Chip design Chiplet