AMD Ryzen 5 8640H vs Intel Core i7-5550U

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CPU comparison with benchmarks


AMD Ryzen 5 8640H CPU1 vs CPU2 Intel Core i7-5550U
AMD Ryzen 5 8640H Intel Core i7-5550U

CPU comparison

AMD Ryzen 5 8640H or Intel Core i7-5550U - 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 8640H has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 8640H was released in Q1/2024.

The Intel Core i7-5550U has 2 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i7-5550U was released in Q1/2015.
AMD Ryzen 5 (85) Family Intel Core i7 (298)
AMD Ryzen 8040 (20) CPU group Intel Core i 5000U (16)
7 Generation 5
Hawk Point (Zen 4) Architecture Broadwell U
Mobile Segment Mobile
-- Predecessor Intel Core i7-4550U
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 8640H has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 8640H is 3.50 GHz (4.90 GHz) while the Intel Core i7-5550U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i7-5550U is at 2.00 GHz (3.00 GHz).

AMD Ryzen 5 8640H Characteristic Intel Core i7-5550U
6 Cores 2
12 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.50 GHz Frequency 2.00 GHz
4.90 GHz Turbo Frequency (1 Core) 3.00 GHz
-- Turbo Frequency (All Cores) 2.90 GHz

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 8640H Characteristic Intel Core i7-5550U
AMD Ryzen AI AI hardware --
AMD Ryzen™ AI AI specifications --

Internal Graphics

The AMD Ryzen 5 8640H or Intel Core i7-5550U 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 HD Graphics 6000
0.80 GHz GPU frequency 0.30 GHz
2.60 GHz GPU (Turbo) 1.00 GHz
10 GPU Generation 8
4 nm Technology 14 nm
4 Max. displays 3
8 Compute units 48
512 Shader 384
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 8 GB
12 DirectX Version 11.2

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 HD Graphics 6000
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 No
Decode Codec VP8 Decode
Decode / Encode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

The AMD Ryzen 5 8640H can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Intel Core i7-5550U supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s.

AMD Ryzen 5 8640H Characteristic Intel Core i7-5550U
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR3-1866
256 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC No
6.00 MB L2 Cache --
16.00 MB L3 Cache 4.00 MB
4.0 PCIe version 2.0
20 PCIe lanes 12
39.4 GB/s PCIe Bandwidth 6.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 5 8640H is 28 W, while the Intel Core i7-5550U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 5 8640H Characteristic Intel Core i7-5550U
28 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
30 W TDP up --
20 W TDP down --
100 °C Tjunction max. --

Technical details

The AMD Ryzen 5 8640H is manufactured in 4 nm and has 22.00 MB cache. The Intel Core i7-5550U is manufactured in 14 nm and has a 4.00 MB cache.

AMD Ryzen 5 8640H Characteristic Intel Core i7-5550U
4 nm Technology 14 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 1168
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2024 Release date Q1/2015
-- Release price --
show more data show more data


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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 8640H AMD Ryzen 5 8640H
AMD Radeon 760M @ 2.60 GHz
2663 (100%)
Intel Core i7-5550U Intel Core i7-5550U
Intel HD Graphics 6000 @ 1.00 GHz
768 (29%)

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 8640H AMD Ryzen 5 8640H
6C 12T @ 4.90 GHz
0 (0%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 3.00 GHz
681 (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 8640H AMD Ryzen 5 8640H
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 2.90 GHz
1746 (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 8640H AMD Ryzen 5 8640H
6C 12T @ 4.90 GHz
0 (0%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 3.00 GHz
956 (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 8640H AMD Ryzen 5 8640H
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 2.90 GHz
1941 (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 8640H AMD Ryzen 5 8640H
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 2.90 GHz
2801 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 8640H AMD Ryzen 5 8640H
6C 12T @ 4.90 GHz
0 (0%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 3.00 GHz
123 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 8640H AMD Ryzen 5 8640H
6C 12T @ 3.50 GHz
0 (0%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 2.90 GHz
307 (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 8640H AMD Ryzen 5 8640H
6C 12T @ 3.50 GHz
16 (100%)
Intel Core i7-5550U Intel Core i7-5550U
2C 4T @ 2.00 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 8640H Intel Core i7-5550U
Unknown Unknown

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