Intel Atom x6425E vs AMD Ryzen 5 7645HX

Last updated: 2024-04-12

CPU comparison with benchmarks


Intel Atom x6425E		AMD Ryzen 5 7645HX
CPU comparison Intel Atom x6425E or AMD Ryzen 5 7645HX - 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 Intel Atom x6425E has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to 32 GB of memory is supported in 4 memory channels. The Intel Atom x6425E was released in Q1/2021. The AMD Ryzen 5 7645HX has 6 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 5 7645HX was released in Q1/2023.

Intel Atom (108)	Family	AMD Ryzen 5 (86)
Intel Atom x6000 (10)	CPU group	AMD Ryzen 7045 (6)
6	Generation	6
Elkhart Lake	Architecture	Dragon Range (Zen 4)
Mobile	Segment	Mobile
--	Predecessor	--
Intel Atom x7425E	Successor	--

CPU Cores and Base Frequency The Intel Atom x6425E is a 4 core processor with a clock frequency of 2.00 GHz (3.00 GHz). The AMD Ryzen 5 7645HX has 6 CPU cores with a clock frequency of 4.00 GHz (5.00 GHz).
Intel Atom x6425E	Characteristic	AMD Ryzen 5 7645HX
4	Cores	6
4	Threads	12
normal	Core architecture	normal
No	Hyperthreading	Yes
No	Overclocking ?	Yes
2.00 GHz	Frequency	4.00 GHz
3.00 GHz	Turbo Frequency (1 Core)	5.00 GHz
2.70 GHz	Turbo Frequency (All Cores)	--


NPU AI performance The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Atom x6425E	Characteristic	AMD Ryzen 5 7645HX
--	AI hardware	--
--	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) 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.
Intel UHD Graphics 10th Gen (32 EU)	GPU	AMD Radeon 610M
0.50 GHz	GPU frequency	0.40 GHz
0.75 GHz	GPU (Turbo)	2.20 GHz
11	GPU Generation	9
14 nm	Technology	6 nm
3	Max. displays	3
32	Compute units	2
256	Shader	128
No	Hardware Raytracing	Yes
No	Frame Generation	No
64 GB	Max. GPU Memory	8 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 UHD Graphics 10th Gen (32 EU)	GPU	AMD Radeon 610M
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
Decode	Codec AV1	Decode
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Atom x6425E supports a maximum of 32 GB of memory in 4 memory channels. The AMD Ryzen 5 7645HX can connect up to 128 GB of memory in 2 memory channels.
Intel Atom x6425E	Characteristic	AMD Ryzen 5 7645HX
LPDDR4X-3733, DDR4-3200	Memory	DDR5-5200
32 GB	Max. Memory	128 GB
4 (Quad Channel)	Memory channels	2 (Dual Channel)
119.2 GB/s	Max. Bandwidth	83.2 GB/s
Yes	ECC	Yes
1.50 MB	L2 Cache	6.00 MB
--	L3 Cache	32.00 MB
3.0	PCIe version	5.0
8	PCIe lanes	28
7.9 GB/s	PCIe Bandwidth	110.3 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom x6425E has a TDP of 12 W, that of the AMD Ryzen 5 7645HX is 55 W.
Intel Atom x6425E	Characteristic	AMD Ryzen 5 7645HX
12 W	TDP (PL1 / PBP)	55 W
--	TDP (PL2)	--
--	TDP up	75 W
--	TDP down	45 W
105 °C	Tjunction max.	100 °C
Technical details The Intel Atom x6425E has a 1.50 MB cache, while the AMD Ryzen 5 7645HX cache has a total of 38.00 MB.
Intel Atom x6425E	Characteristic	AMD Ryzen 5 7645HX
10 nm	Technology	5 nm
Monolithic	Chip design	Chiplet
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 1493	Socket	FL1
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
	Operating systems	Windows 10, Windows 11, Linux
Q1/2021	Release date	Q1/2023
56 $	Release price	--

show more data		show more data

Intel Atom x6425E 4C 4T @ 2.00 GHz (3.00 GHz) buy now on Amazon and save! AMD Ryzen 5 7645HX 6C 12T @ 4.00 GHz (5.00 GHz) buy now on Amazon and save!

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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 x6425E Intel UHD Graphics 10th Gen (32 EU) @ 0.75 GHz	400 (90%)
	AMD Ryzen 5 7645HX AMD Radeon 610M @ 2.20 GHz	443 (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 x6425E 4C 4T @ 3.00 GHz	0 (0%)
	AMD Ryzen 5 7645HX 6C 12T @ 5.00 GHz	1802 (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 x6425E 4C 4T @ 2.70 GHz	0 (0%)
	AMD Ryzen 5 7645HX 6C 12T @ 4.00 GHz	13824 (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 x6425E 4C 4T @ 3.00 GHz	676 (100%)
	AMD Ryzen 5 7645HX 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 x6425E 4C 4T @ 2.70 GHz	2055 (100%)
	AMD Ryzen 5 7645HX 6C 12T @ 4.00 GHz	0 (0%)

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 x6425E 4C 4T @ 3.00 GHz	539 (100%)
	AMD Ryzen 5 7645HX 6C 12T @ 5.00 GHz	0 (0%)

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 x6425E 4C 4T @ 2.70 GHz	1434 (100%)
	AMD Ryzen 5 7645HX 6C 12T @ 4.00 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 x6425E 4C 4T @ 2.70 GHz	3885 (100%)
	AMD Ryzen 5 7645HX 6C 12T @ 4.00 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.


	Intel Atom x6425E 4C 4T @ 3.00 GHz	114 (100%)
	AMD Ryzen 5 7645HX 6C 12T @ 5.00 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 x6425E 4C 4T @ 2.70 GHz	335 (100%)
	AMD Ryzen 5 7645HX 6C 12T @ 4.00 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 x6425E 2.00 GHz	0 (0%)
	AMD Ryzen 5 7645HX 13,824 CB R23 MC @ 51 W	270 (100%)

Devices using this processor
Intel Atom x6425E	AMD Ryzen 5 7645HX
Unknown	Unknown

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