AMD Ryzen 7 4800U vs Intel Atom x6427FE

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CPU comparison with benchmarks


AMD Ryzen 7 4800U CPU1 vs CPU2 Intel Atom x6427FE
AMD Ryzen 7 4800U Intel Atom x6427FE

CPU comparison

AMD Ryzen 7 4800U or Intel Atom x6427FE - 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 7 4800U has 8 cores with 16 threads and clocks with a maximum frequency of 4.20 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 4800U was released in Q1/2020.

The Intel Atom x6427FE has 4 cores with 4 threads and clocks with a maximum frequency of 1.90 GHz. The CPU supports up to 32 GB of memory in 4 memory channels. The Intel Atom x6427FE was released in Q1/2021.
AMD Ryzen 7 (68) Family Intel Atom (108)
AMD Ryzen 4000U (11) CPU group Intel Atom x6000 (10)
3 Generation 6
Renoir (Zen 2) Architecture Elkhart Lake
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 4800U is a 8 core processor with a clock frequency of 1.80 GHz (4.20 GHz). The Intel Atom x6427FE has 4 CPU cores with a clock frequency of 1.90 GHz.

AMD Ryzen 7 4800U Characteristic Intel Atom x6427FE
8 Cores 4
16 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
1.80 GHz Frequency 1.90 GHz
4.20 GHz Turbo Frequency (1 Core) --
3.20 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.

AMD Ryzen 7 4800U Characteristic Intel Atom x6427FE
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon RX Vega 8 (Renoir) GPU Intel UHD Graphics 10th Gen (32 EU)
0.40 GHz GPU frequency 0.40 GHz
1.75 GHz GPU (Turbo) --
9 GPU Generation 11
7 nm Technology 14 nm
3 Max. displays 3
8 Compute units 32
512 Shader 256
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 64 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.

AMD Radeon RX Vega 8 (Renoir) GPU Intel UHD Graphics 10th Gen (32 EU)
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 / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 7 4800U supports a maximum of 64 GB of memory in 2 memory channels. The Intel Atom x6427FE can connect up to 32 GB of memory in 4 memory channels.

AMD Ryzen 7 4800U Characteristic Intel Atom x6427FE
LPDDR4-4266, DDR4-3200 Memory LPDDR4X-4266, DDR4-3200
64 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
51.2 GB/s Max. Bandwidth 136.4 GB/s
Yes ECC Yes
-- L2 Cache 1.50 MB
8.00 MB L3 Cache --
3.0 PCIe version 3.0
12 PCIe lanes 8
11.8 GB/s PCIe Bandwidth 7.9 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 4800U has a TDP of 15 W, that of the Intel Atom x6427FE is 12 W.

AMD Ryzen 7 4800U Characteristic Intel Atom x6427FE
15 W TDP (PL1 / PBP) 12 W
-- TDP (PL2) --
25 W TDP up --
10 W TDP down --
105 °C Tjunction max. 110 °C

Technical details

The AMD Ryzen 7 4800U has a 8.00 MB cache, while the Intel Atom x6427FE cache has a total of 1.50 MB.

AMD Ryzen 7 4800U Characteristic Intel Atom x6427FE
7 nm Technology 10 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2
FP6 Socket BGA 1493
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems
Q1/2020 Release date Q1/2021
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 4800U to help other visitors make their purchasing decisions. The average rating is 3.3 stars (7 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 7 4800U (100%)
Intel Atom x6427FE (30%)
⌀ Multi core performance in 3 CPU benchmarks
AMD Ryzen 7 4800U (100%)
Intel Atom x6427FE (18%)

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 4800U AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz
1147 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
437 (38%)

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 4800U AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz
6955 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
1445 (21%)

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 7 4800U AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz
1486 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
334 (22%)

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 7 4800U AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz
6246 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
1021 (16%)

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 4800U AMD Ryzen 7 4800U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (100%)
Intel Atom x6427FE Intel Atom x6427FE
Intel UHD Graphics 10th Gen (32 EU) @ 0.40 GHz
213 (12%)

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 4800U AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz
16962 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
2935 (17%)

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.
AMD Ryzen 7 4800U AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz
1227 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 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.
AMD Ryzen 7 4800U AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz
9974 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 7 4800U AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz
472 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 7 4800U AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz
3847 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 7 4800U AMD Ryzen 7 4800U
8C 16T @ 1.80 GHz
3848 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
0 (0%)

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 7 4800U AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz
197 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 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.
AMD Ryzen 7 4800U AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz
1712 (100%)
Intel Atom x6427FE Intel Atom x6427FE
4C 4T @ 1.90 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 4800U Intel Atom x6427FE
Unknown Unknown

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