Intel Atom Z3740D vs AMD Ryzen 5 7640H

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CPU comparison with benchmarks


Intel Atom Z3740D CPU1 vs CPU2 AMD Ryzen 5 7640H
Intel Atom Z3740D AMD Ryzen 5 7640H

CPU comparison

In this CPU comparison, we compare the Intel Atom Z3740D and the AMD Ryzen 5 7640H and use benchmarks to check which processor is faster.

We compare the Intel Atom Z3740D 4 core processor released in Q3/2013 with the AMD Ryzen 5 7640H which has 6 CPU cores and was introduced in Q1/2023.
Intel Atom (108) Family AMD Ryzen 5 (85)
Intel Atom Z3700 (16) CPU group AMD Ryzen 7040 (21)
4 Generation 6
Bay Trail Architecture Phoenix (Zen 4)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z3740D is a 4 core processor with a clock frequency of 1.33 GHz (1.83 GHz). The processor can compute 4 threads at the same time. The AMD Ryzen 5 7640H clocks with 4.30 GHz (5.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel.
Intel Atom Z3740D Characteristic AMD Ryzen 5 7640H
4 Cores 6
4 Threads 12
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.33 GHz Frequency 4.30 GHz
1.83 GHz Turbo Frequency (1 Core) 5.00 GHz
-- Turbo Frequency (All Cores) --

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 Atom Z3740D Characteristic AMD Ryzen 5 7640H
-- AI hardware AMD Ryzen AI
-- AI specifications AMD dedicated AI XDNA Technology

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 HD Graphics (Bay Trail GT1) GPU AMD Radeon 760M
0.31 GHz GPU frequency 0.80 GHz
0.69 GHz GPU (Turbo) 2.60 GHz
7 GPU Generation 10
22 nm Technology 4 nm
2 Max. displays 4
4 Compute units 8
32 Shader 512
No Hardware Raytracing Yes
No Frame Generation AMD FSR
2 GB Max. GPU Memory 32 GB
11.2 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 HD Graphics (Bay Trail GT1) GPU AMD Radeon 760M
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode
No Codec VP8 Decode
No Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

Memory & PCIe

Up to 2 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom Z3740D, while the AMD Ryzen 5 7640H supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.
Intel Atom Z3740D Characteristic AMD Ryzen 5 7640H
DDR3L-1333 Memory DDR5-5600, LPDDR5-6400, LPDDR5X-7500
2 GB Max. Memory 256 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
10.6 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
-- L2 Cache 6.00 MB
2.00 MB L3 Cache 16.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Atom Z3740D has a TDP of 4 W. The TDP of the AMD Ryzen 5 7640H is 54 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
Intel Atom Z3740D Characteristic AMD Ryzen 5 7640H
4 W TDP (PL1 / PBP) 54 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 35 W
90 °C Tjunction max. 100 °C

Technical details

The Intel Atom Z3740D has 2.00 MB cache and is manufactured in 22 nm. The cache of AMD Ryzen 5 7640H is at 22.00 MB. The processor is manufactured in 4 nm.
Intel Atom Z3740D Characteristic AMD Ryzen 5 7640H
22 nm Technology 4 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
BGA 592 Socket FP7r2
VT-x, VT-x EPT Virtualization AMD-V, SVM
Yes AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q3/2013 Release date Q1/2023
-- Release price --
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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.
Intel Atom Z3740D Intel Atom Z3740D
Intel HD Graphics (Bay Trail GT1) @ 0.69 GHz
44 (2%)
AMD Ryzen 5 7640H AMD Ryzen 5 7640H
AMD Radeon 760M @ 2.60 GHz
2663 (100%)

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 Atom Z3740D Intel Atom Z3740D
4C 4T @ 1.83 GHz
184 (100%)
AMD Ryzen 5 7640H AMD Ryzen 5 7640H
6C 12T @ 5.00 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 Atom Z3740D Intel Atom Z3740D
4C 4T @ 1.33 GHz
633 (100%)
AMD Ryzen 5 7640H AMD Ryzen 5 7640H
6C 12T @ 4.30 GHz
0 (0%)

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.
Intel Atom Z3740D Intel Atom Z3740D
4C 4T @ 1.33 GHz
614 (100%)
AMD Ryzen 5 7640H AMD Ryzen 5 7640H
6C 12T @ 4.30 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 Atom Z3740D Intel Atom Z3740D
4C 4T @ 1.33 GHz
0 (0%)
AMD Ryzen 5 7640H AMD Ryzen 5 7640H
6C 12T @ 4.30 GHz
10 (100%)

Devices using this processor
Intel Atom Z3740D AMD Ryzen 5 7640H
Unknown Unknown

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