Intel Atom x7-Z8700 vs AMD Ryzen 7 7840U

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CPU comparison with benchmarks


Intel Atom x7-Z8700 CPU1 vs CPU2 AMD Ryzen 7 7840U
Intel Atom x7-Z8700 AMD Ryzen 7 7840U

CPU comparison

In this CPU comparison, we compare the Intel Atom x7-Z8700 and the AMD Ryzen 7 7840U and use benchmarks to check which processor is faster.

We compare the Intel Atom x7-Z8700 4 core processor released in Q1/2015 with the AMD Ryzen 7 7840U which has 8 CPU cores and was introduced in Q2/2023.
Intel Atom (108) Family AMD Ryzen 7 (69)
Intel Atom x3/x5/x7 (9) CPU group AMD Ryzen 7040 (21)
5 Generation 6
Cherry Trail Architecture Phoenix (Zen 4)
Mobile Segment Mobile
-- Predecessor --
-- Successor AMD Ryzen 7 8840U

CPU Cores and Base Frequency

The Intel Atom x7-Z8700 is a 4 core processor with a clock frequency of 1.60 GHz (2.40 GHz). The processor can compute 4 threads at the same time. The AMD Ryzen 7 7840U clocks with 3.30 GHz (5.10 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

Intel Atom x7-Z8700 Characteristic AMD Ryzen 7 7840U
4 Cores 8
4 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.60 GHz Frequency 3.30 GHz
2.40 GHz Turbo Frequency (1 Core) 5.10 GHz
2.40 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 x7-Z8700 Characteristic AMD Ryzen 7 7840U
-- 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 405 (16EU) GPU AMD Radeon 780M
0.20 GHz GPU frequency 0.80 GHz
0.60 GHz GPU (Turbo) 2.70 GHz
8 GPU Generation 3
14 nm Technology 4 nm
3 Max. displays 4
16 Compute units 12
128 Shader 768
No Hardware Raytracing Yes
No Frame Generation AMD FSR
8 GB Max. GPU Memory 32 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.

Intel HD Graphics 405 (16EU) GPU AMD Radeon 780M
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
Decode 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 8 GB of memory in a maximum of 2 memory channels is supported by the Intel Atom x7-Z8700, while the AMD Ryzen 7 7840U supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

Intel Atom x7-Z8700 Characteristic AMD Ryzen 7 7840U
LPDDR3-1600 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
8 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
-- L2 Cache 8.00 MB
2.00 MB L3 Cache 16.00 MB
2.0 PCIe version 4.0
2 PCIe lanes 20
1.0 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The Intel Atom x7-Z8700 has a TDP of 2 W. The TDP of the AMD Ryzen 7 7840U is 28 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom x7-Z8700 Characteristic AMD Ryzen 7 7840U
2 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up 30 W
-- TDP down 15 W
-- Tjunction max. 100 °C

Technical details

The Intel Atom x7-Z8700 has 2.00 MB cache and is manufactured in 14 nm. The cache of AMD Ryzen 7 7840U is at 24.00 MB. The processor is manufactured in 4 nm.

Intel Atom x7-Z8700 Characteristic AMD Ryzen 7 7840U
14 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 138 Socket FP8
VT-x, VT-x EPT Virtualization AMD-V, SVM
Yes AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q1/2015 Release date Q2/2023
30 $ Release price --
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Rate these processors

Here you can rate the Intel Atom x7-Z8700 to help other visitors make their purchasing decisions. The average rating is 3.0 stars (3 ratings). Rate now:
Here you can rate the AMD Ryzen 7 7840U to help other visitors make their purchasing decisions. The average rating is 4.8 stars (31 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Atom x7-Z8700 (11%)
AMD Ryzen 7 7840U (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Atom x7-Z8700 (6%)
AMD Ryzen 7 7840U (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 x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
239 (13%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1850 (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.
Intel Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
838 (9%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
9612 (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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
187 (8%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
2446 (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.
Intel Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
584 (5%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
10726 (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 Atom x7-Z8700 Intel Atom x7-Z8700
Intel HD Graphics 405 (16EU) @ 0.60 GHz
154 (4%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz
4201 (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.
Intel Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
1342 (5%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
25337 (100%)

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 Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
0 (0%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
1755 (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.
Intel Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
0 (0%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
13450 (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.
Intel Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
40 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz
0 (0%)

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.
Intel Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 2.40 GHz
145 (100%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 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 Atom x7-Z8700 Intel Atom x7-Z8700
1.60 GHz
0 (0%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W
448 (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).
Intel Atom x7-Z8700 Intel Atom x7-Z8700
4C 4T @ 1.60 GHz
0 (0%)
AMD Ryzen 7 7840U AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz
10 (100%)

Devices using this processor

Intel Atom x7-Z8700 AMD Ryzen 7 7840U
Unknown AOKZOE A1 Pro

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