AMD Ryzen 7 7840S vs Intel Atom Z3735D

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CPU comparison with benchmarks


AMD Ryzen 7 7840S CPU1 vs CPU2 Intel Atom Z3735D
AMD Ryzen 7 7840S Intel Atom Z3735D

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 7 7840S and the Intel Atom Z3735D and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 7 7840S 8 core processor released in Q2/2023 with the Intel Atom Z3735D which has 4 CPU cores and was introduced in Q1/2014.
AMD Ryzen 7 (68) Family Intel Atom (108)
AMD Ryzen 7040 (21) CPU group Intel Atom Z3700 (16)
6 Generation 4
Phoenix (Zen 4) Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 7840S is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The processor can compute 16 threads at the same time. The Intel Atom Z3735D clocks with 1.33 GHz (1.83 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

AMD Ryzen 7 7840S Characteristic Intel Atom Z3735D
8 Cores 4
16 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.30 GHz Frequency 1.33 GHz
5.10 GHz Turbo Frequency (1 Core) 1.83 GHz
-- Turbo Frequency (All Cores) 1.83 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 7 7840S Characteristic Intel Atom Z3735D
-- AI hardware --
-- 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 780M GPU Intel HD Graphics (Bay Trail GT1)
0.80 GHz GPU frequency 0.31 GHz
2.70 GHz GPU (Turbo) 0.65 GHz
3 GPU Generation 7
4 nm Technology 22 nm
4 Max. displays 2
12 Compute units 4
768 Shader 32
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 2 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 780M GPU Intel HD Graphics (Bay Trail GT1)
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 No
Decode / Encode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

Up to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 7840S, while the Intel Atom Z3735D supports a maximum of 2 GB of memory with a maximum memory bandwidth of 10.6 GB/s enabled.

AMD Ryzen 7 7840S Characteristic Intel Atom Z3735D
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR3L-1333
256 GB Max. Memory 2 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
120.0 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC No
8.00 MB L2 Cache --
16.00 MB L3 Cache 2.00 MB
4.0 PCIe version --
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The AMD Ryzen 7 7840S has a TDP of 15 W. The TDP of the Intel Atom Z3735D is 4 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 7 7840S Characteristic Intel Atom Z3735D
15 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
28 W TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The AMD Ryzen 7 7840S has 24.00 MB cache and is manufactured in 4 nm. The cache of Intel Atom Z3735D is at 2.00 MB. The processor is manufactured in 22 nm.

AMD Ryzen 7 7840S Characteristic Intel Atom Z3735D
4 nm Technology 22 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
FP8 Socket --
AMD-V, SVM Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems
Q2/2023 Release date Q1/2014
-- 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.
AMD Ryzen 7 7840S AMD Ryzen 7 7840S
AMD Radeon 780M @ 2.70 GHz
4201 (100%)
Intel Atom Z3735D Intel Atom Z3735D
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (1%)

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 7 7840S AMD Ryzen 7 7840S
8C 16T @ 5.10 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
188 (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 7 7840S AMD Ryzen 7 7840S
8C 16T @ 3.30 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
581 (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 7 7840S AMD Ryzen 7 7840S
8C 16T @ 3.30 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
761 (100%)

Devices using this processor

AMD Ryzen 7 7840S Intel Atom Z3735D
Unknown Unknown

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