Intel Core Ultra 5 135H vs AMD Ryzen 5 8640HS

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CPU comparison with benchmarks


Intel Core Ultra 5 135H CPU1 vs CPU2 AMD Ryzen 5 8640HS
Intel Core Ultra 5 135H AMD Ryzen 5 8640HS

CPU comparison

In this CPU comparison, we compare the Intel Core Ultra 5 135H and the AMD Ryzen 5 8640HS and use benchmarks to check which processor is faster.

We compare the Intel Core Ultra 5 135H 14 core processor released in Q4/2023 with the AMD Ryzen 5 8640HS which has 6 CPU cores and was introduced in Q1/2024.
Intel Core Ultra 5 (10) Family AMD Ryzen 5 (84)
Intel Core Ultra 100H (5) CPU group AMD Ryzen 8040 (20)
1 Generation 7
Meteor Lake H Architecture Hawk Point (Zen 4)
Mobile Segment Mobile
-- Predecessor AMD Ryzen 5 7640HS
-- Successor --

CPU Cores and Base Frequency

The Intel Core Ultra 5 135H is a 14 core processor with a clock frequency of 1.70 GHz (4.60 GHz). The processor can compute 18 threads at the same time. The AMD Ryzen 5 8640HS clocks with 3.80 GHz (5.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

Intel Core Ultra 5 135H Characteristic AMD Ryzen 5 8640HS
14 Cores 6
18 Threads 12
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.70 GHz (4.60 GHz)
4x Redwood Cove
A-Core 3.80 GHz (5.00 GHz)
6x Zen 4
1.20 GHz (3.60 GHz)
8x Crestmont
B-Core --
0.70 GHz (2.50 GHz)
2x Crestmont
C-Core --

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.

Intel Core Ultra 5 135H Characteristic AMD Ryzen 5 8640HS
Intel AI engine AI hardware AMD Ryzen AI
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications AMD Ryzen™ AI

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.

Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) GPU AMD Radeon 760M
0.60 GHz GPU frequency 0.80 GHz
2.20 GHz GPU (Turbo) 2.60 GHz
-- GPU Generation 10
5 nm Technology 4 nm
4 Max. displays 4
128 Compute units 8
1024 Shader 512
Yes Hardware Raytracing Yes
No Frame Generation AMD FSR
32 GB Max. GPU Memory 32 GB
12.2 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.

Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) GPU AMD Radeon 760M
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
Decode Codec VP8 Decode
Decode / Encode Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Core Ultra 5 135H, while the AMD Ryzen 5 8640HS supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

Intel Core Ultra 5 135H Characteristic AMD Ryzen 5 8640HS
LPDDR5X-7500, DDR5-5600 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
96 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
14.00 MB L2 Cache 6.00 MB
18.00 MB L3 Cache 16.00 MB
5.0 PCIe version 4.0
20 PCIe lanes 20
78.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Core Ultra 5 135H has a TDP of 28 W. The TDP of the AMD Ryzen 5 8640HS is 28 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core Ultra 5 135H Characteristic AMD Ryzen 5 8640HS
28 W TDP (PL1 / PBP) 28 W
115 W TDP (PL2) --
65 W TDP up 54 W
20 W TDP down 35 W
110 °C Tjunction max. 100 °C

Technical details

The Intel Core Ultra 5 135H has 32.00 MB cache and is manufactured in 7 nm. The cache of AMD Ryzen 5 8640HS is at 22.00 MB. The processor is manufactured in 4 nm.

Intel Core Ultra 5 135H Characteristic AMD Ryzen 5 8640HS
7 nm Technology 4 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
BGA 2049 Socket FP8
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2023 Release date Q1/2024
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core Ultra 5 135H to help other visitors make their purchasing decisions. The average rating is 4.5 stars (2 ratings). Rate now:
Here you can rate the AMD Ryzen 5 8640HS to help other visitors make their purchasing decisions. The average rating is 4.0 stars (4 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Core Ultra 5 135H (95%)
AMD Ryzen 5 8640HS (100%)
⌀ Multi core performance in 0 CPU benchmarks
Intel Core Ultra 5 135H (0%)
AMD Ryzen 5 8640HS (0%)

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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
100 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
99 (99%)

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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
1667 (93%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
1802 (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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
2247 (91%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
2478 (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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.20 GHz
4361 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
AMD Radeon 760M @ 2.60 GHz
2663 (61%)

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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
847 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
1692 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
0 (0%)

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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
14771 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
10765 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
10239 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

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.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14,771 CB R23 MC @ 66 W
224 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
3.80 GHz
0 (0%)

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).
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 1.70 GHz
0 (0%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
16 (100%)

Devices using this processor

Intel Core Ultra 5 135H AMD Ryzen 5 8640HS
Unknown Unknown

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