AMD Ryzen 5 8640HS vs Intel Core i5-14400

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CPU comparison with benchmarks


AMD Ryzen 5 8640HS CPU1 vs CPU2 Intel Core i5-14400
AMD Ryzen 5 8640HS Intel Core i5-14400

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 5 8640HS and the Intel Core i5-14400 and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 5 8640HS 6 core processor released in Q1/2024 with the Intel Core i5-14400 which has 10 CPU cores and was introduced in Q1/2024.
AMD Ryzen 5 (85) Family Intel Core i5 (331)
AMD Ryzen 8040 (20) CPU group Intel Core i 14000 (23)
7 Generation 14
Hawk Point (Zen 4) Architecture Raptor Lake S Refresh
Mobile Segment Desktop / Server
AMD Ryzen 5 7640HS Predecessor Intel Core i5-13400
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 8640HS is a 6 core processor with a clock frequency of 3.80 GHz (5.00 GHz). The processor can compute 12 threads at the same time. The Intel Core i5-14400 clocks with 2.50 GHz (4.70 GHz), has 10 CPU cores and can calculate 16 threads in parallel.

AMD Ryzen 5 8640HS Characteristic Intel Core i5-14400
6 Cores 10
12 Threads 16
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? No
3.80 GHz (5.00 GHz)
6x Zen 4
A-Core 2.50 GHz (4.70 GHz)
6x Raptor Cove
-- B-Core 1.80 GHz (3.50 GHz)
4x Gracemont

Artificial Intelligence and Machine Learning

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. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Ryzen 5 8640HS Characteristic Intel Core i5-14400
AMD Ryzen AI AI hardware --
AMD Ryzen™ AI AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon 760M GPU Intel UHD Graphics 730
0.80 GHz GPU frequency 0.30 GHz
2.60 GHz GPU (Turbo) 1.55 GHz
10 GPU Generation 12
4 nm Technology 14 nm
4 Max. displays 3
8 Compute units 24
512 Shader 192
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 64 GB
12 DirectX Version 12

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 UHD Graphics 730
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 / Encode
Decode / Encode Codec AV1 Decode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 8640HS, while the Intel Core i5-14400 supports a maximum of 192 GB of memory with a maximum memory bandwidth of 89.6 GB/s enabled.

AMD Ryzen 5 8640HS Characteristic Intel Core i5-14400
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR5-5600, DDR4-3200
256 GB Max. Memory 192 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 89.6 GB/s
Yes ECC No
6.00 MB L2 Cache 9.50 MB
16.00 MB L3 Cache 20.00 MB
4.0 PCIe version 5.0
20 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The AMD Ryzen 5 8640HS has a TDP of 28 W. The TDP of the Intel Core i5-14400 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 5 8640HS Characteristic Intel Core i5-14400
28 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) 148 W
54 W TDP up --
35 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 5 8640HS has 22.00 MB cache and is manufactured in 4 nm. The cache of Intel Core i5-14400 is at 29.50 MB. The processor is manufactured in 10 nm.

AMD Ryzen 5 8640HS Characteristic Intel Core i5-14400
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, AVX2+
FP8 Socket LGA 1700
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 Q1/2024
-- Release price 221 $
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 8640HS to help other visitors make their purchasing decisions. The average rating is 4.0 stars (5 ratings). Rate now:
Here you can rate the Intel Core i5-14400 to help other visitors make their purchasing decisions. The average rating is 3.5 stars (11 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 5 8640HS (98%)
Intel Core i5-14400 (100%)
⌀ Multi core performance in 0 CPU benchmarks
AMD Ryzen 5 8640HS (0%)
Intel Core i5-14400 (0%)

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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
1802 (98%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 4.70 GHz
1842 (100%)

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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
2478 (97%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 4.70 GHz
2557 (100%)

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 8640HS AMD Ryzen 5 8640HS
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
Intel Core i5-14400 Intel Core i5-14400
Intel UHD Graphics 730 @ 1.55 GHz
595 (22%)

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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
99 (100%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 4.70 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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
0 (0%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 4.70 GHz
1773 (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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 2.50 GHz
16074 (100%)

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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 2.50 GHz
12551 (100%)

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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 2.50 GHz
13682 (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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 2.50 GHz
25715 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 2.50 GHz
759 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 2.50 GHz
6631 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
16 (100%)
Intel Core i5-14400 Intel Core i5-14400
10C 16T @ 2.50 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 8640HS Intel Core i5-14400
Unknown Unknown

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