AMD Ryzen 5 8645HS vs Intel Core i5-1335U

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CPU comparison with benchmarks


AMD Ryzen 5 8645HS CPU1 vs CPU2 Intel Core i5-1335U
AMD Ryzen 5 8645HS Intel Core i5-1335U

CPU comparison

AMD Ryzen 5 8645HS or Intel Core i5-1335U - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Ryzen 5 8645HS has 6 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 8645HS was released in Q1/2024.

The Intel Core i5-1335U has 10 cores with 12 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core i5-1335U was released in Q1/2023.
AMD Ryzen 5 (86) Family Intel Core i5 (331)
AMD Ryzen 8040 (20) CPU group Intel Core i 1300P/1300U (29)
7 Generation 13
Hawk Point (Zen 4) Architecture Raptor Lake U
Mobile Segment Mobile
-- Predecessor Intel Core i5-1235U
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 8645HS has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 8645HS is 4.30 GHz (5.00 GHz) while the Intel Core i5-1335U has 10 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i5-1335U is at 1.30 GHz (4.60 GHz).

AMD Ryzen 5 8645HS Characteristic Intel Core i5-1335U
6 Cores 10
12 Threads 12
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
4.30 GHz (5.00 GHz)
6x Zen 4
A-Core 1.30 GHz (4.60 GHz)
2x Raptor Cove
-- B-Core 0.90 GHz (3.40 GHz)
8x Gracemont

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Ryzen 5 8645HS Characteristic Intel Core i5-1335U
AMD Ryzen™ AI AI hardware --
AMD Ryzen™ AI (XDNA) @ 16 TOPS AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Ryzen 5 8645HS or Intel Core i5-1335U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

AMD Radeon 760M GPU Intel Iris Xe Graphics 80 (Alder Lake)
0.80 GHz GPU frequency 0.35 GHz
2.60 GHz GPU (Turbo) 1.25 GHz
10 GPU Generation 13
4 nm Technology 10 nm
4 Max. displays 4
8 Compute units 80
512 Shader 640
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 32 GB
12 DirectX Version 12.1

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.

AMD Radeon 760M GPU Intel Iris Xe Graphics 80 (Alder Lake)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode / Encode
Decode Codec VP8 Decode
Decode / Encode Codec AV1 Decode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 5 8645HS can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Intel Core i5-1335U supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 102.4 GB/s.

AMD Ryzen 5 8645HS Characteristic Intel Core i5-1335U
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory LPDDR5-6400, LPDDR4X-4266, DDR5-5200, DDR4-3200
256 GB Max. Memory 96 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 102.4 GB/s
Yes ECC No
6.00 MB L2 Cache --
16.00 MB L3 Cache 12.00 MB
4.0 PCIe version 4.0
20 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 5 8645HS is 45 W, while the Intel Core i5-1335U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 5 8645HS Characteristic Intel Core i5-1335U
45 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 55 W
54 W TDP up --
35 W TDP down 12 W
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 5 8645HS is manufactured in 4 nm and has 22.00 MB cache. The Intel Core i5-1335U is manufactured in 10 nm and has a 12.00 MB cache.

AMD Ryzen 5 8645HS Characteristic Intel Core i5-1335U
4 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4.1, SSE4.2, AVX2
FP8 Socket BGA 1744
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2024 Release date Q1/2023
-- Release price --
show more data show more data


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Here you can rate the AMD Ryzen 5 8645HS to help other visitors make their purchasing decisions. The average rating is 4.2 stars (9 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 5 8645HS (100%)
Intel Core i5-1335U (89%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Ryzen 5 8645HS (100%)
Intel Core i5-1335U (86%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
1802 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
1628 (90%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
7768 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
7240 (93%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
2478 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
2183 (88%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
10357 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
8102 (78%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
Intel Core i5-1335U Intel Core i5-1335U
Intel Iris Xe Graphics 80 (Alder Lake) @ 1.25 GHz
1549 (58%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
99 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
702 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
0 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
1705 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
8970 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 4.60 GHz
652 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
3468 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
17062 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
4.30 GHz
0 (0%)
Intel Core i5-1335U Intel Core i5-1335U
8,970 CB R23 MC @ 45 W
199 (100%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
16 (100%)
Intel Core i5-1335U Intel Core i5-1335U
10C 12T @ 1.30 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 8645HS Intel Core i5-1335U
Unknown Unknown

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