Qualcomm Snapdragon 678 vs AMD Ryzen 7 PRO 7840HS Benchmark, comparison and differences


Qualcomm Snapdragon 678		AMD Ryzen 7 PRO 7840HS
CPU comparison Qualcomm Snapdragon 678 or AMD Ryzen 7 PRO 7840HS - 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 Qualcomm Snapdragon 678 has 8 cores with 8 threads and clocks with a maximum frequency of 2.20 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Qualcomm Snapdragon 678 was released in Q4/2020. The AMD Ryzen 7 PRO 7840HS has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 PRO 7840HS was released in Q2/2023.

Qualcomm Snapdragon (102)	Family	AMD Ryzen 7 PRO (21)
Qualcomm Snapdragon 675/678 (2)	CPU group	AMD Ryzen 7040 (21)
7	Generation	6
Kryo 460	Architecture	Phoenix (Zen 4)
Mobile	Segment	Mobile
Qualcomm Snapdragon 675	Predecessor	--
--	Successor	AMD Ryzen 7 PRO 8840HS

CPU Cores and Base Frequency The Qualcomm Snapdragon 678 is a 8 core processor with a clock frequency of 2.20 GHz. The AMD Ryzen 7 PRO 7840HS has 8 CPU cores with a clock frequency of 3.80 GHz (5.10 GHz).
Qualcomm Snapdragon 678	Characteristic	AMD Ryzen 7 PRO 7840HS
8	Cores	8
8	Threads	16
hybrid (big.LITTLE)	Core architecture	normal
No	Hyperthreading	Yes
No	Overclocking ?	No
2.20 GHz 2x Kryo 460 Gold	A-Core	3.80 GHz (5.10 GHz) 8x Zen 4
1.70 GHz 6x Kryp 460 Silver	B-Core	--
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.
Qualcomm Snapdragon 678	Characteristic	AMD Ryzen 7 PRO 7840HS
Qualcomm AI engine	AI hardware	AMD Ryzen AI
Hexagon 685 @ 3 TOPS	AI specifications	AMD dedicated AI XDNA Technology

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.
Qualcomm Adreno 612	GPU	AMD Radeon 780M
0.85 GHz	GPU frequency	0.80 GHz
0.85 GHz	GPU (Turbo)	2.70 GHz
6	GPU Generation	3
11 nm	Technology	4 nm
0	Max. displays	4
--	Compute units	12
--	Shader	768
No	Hardware Raytracing	Yes
No	Frame Generation	AMD FSR
--	Max. GPU Memory	32 GB
12.1	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.
Qualcomm Adreno 612	GPU	AMD Radeon 780M
Decode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode	Codec h265 / HEVC (10 bit)	Decode / Encode
Decode / Encode	Codec h264	Decode / Encode
Decode	Codec VP9	Decode
Decode	Codec VP8	Decode
No	Codec AV1	Decode / Encode
Decode	Codec AVC	Decode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Qualcomm Snapdragon 678 supports a maximum of 8 GB of memory in 2 memory channels. The AMD Ryzen 7 PRO 7840HS can connect up to 256 GB of memory in 2 memory channels.
Qualcomm Snapdragon 678	Characteristic	AMD Ryzen 7 PRO 7840HS
LPDDR4X-3733	Memory	DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
8 GB	Max. Memory	256 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
14.9 GB/s	Max. Bandwidth	120.0 GB/s
No	ECC	Yes
--	L2 Cache	8.00 MB
--	L3 Cache	16.00 MB
--	PCIe version	4.0
--	PCIe lanes	20
--	PCIe Bandwidth	39.4 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 678 has a TDP of --, that of the AMD Ryzen 7 PRO 7840HS is 54 W.
Qualcomm Snapdragon 678	Characteristic	AMD Ryzen 7 PRO 7840HS
--	TDP (PL1 / PBP)	54 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	35 W
--	Tjunction max.	100 °C
Technical details The Qualcomm Snapdragon 678 has a 0.00 MB cache, while the AMD Ryzen 7 PRO 7840HS cache has a total of 24.00 MB.
Qualcomm Snapdragon 678	Characteristic	AMD Ryzen 7 PRO 7840HS
11 nm	Technology	4 nm
Chiplet	Chip design	Monolithic
Armv8-A (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
--	ISA extensions	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
--	Socket	FP8
None	Virtualization	AMD-V, SVM
No	AES-NI	Yes
Android	Operating systems	Windows 10, Windows 11, Linux
Q4/2020	Release date	Q2/2023
--	Release price	--

show more data		show more data

Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz buy now on Amazon and save! AMD Ryzen 7 PRO 7840HS 8C 16T @ 3.80 GHz (5.10 GHz) buy now on Amazon and save!

Rate these processors

Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks

Qualcomm Snapdragon 678 (29%)

AMD Ryzen 7 PRO 7840HS (100%)

⌀ Multi core performance in 2 CPU benchmarks

Qualcomm Snapdragon 678 (13%)

AMD Ryzen 7 PRO 7840HS (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.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	534 (29%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 5.10 GHz	1857 (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.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	1553 (14%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 4.25 GHz	11334 (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.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	694 (28%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 5.10 GHz	2456 (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.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	1489 (12%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 4.25 GHz	12135 (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).


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	3 (30%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 3.80 GHz	10 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	0 (0%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 5.10 GHz	102 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	0 (0%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 5.10 GHz	866 (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.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	0 (0%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 5.10 GHz	1757 (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.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	0 (0%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 4.25 GHz	15930 (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.


	Qualcomm Snapdragon 678 Qualcomm Adreno 612 @ 0.85 GHz	0 (0%)
	AMD Ryzen 7 PRO 7840HS AMD Radeon 780M @ 2.70 GHz	4201 (100%)

AnTuTu 8 Benchmark

The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.

In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	224586 (100%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 3.80 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.


	Qualcomm Snapdragon 678 8C 8T @ 2.20 GHz	0 (0%)
	AMD Ryzen 7 PRO 7840HS 8C 16T @ 4.25 GHz	28412 (100%)

Devices using this processor
Qualcomm Snapdragon 678	AMD Ryzen 7 PRO 7840HS
Xiaomi Redmi Note 10 Motorola Moto G Stylus 2021	Unknown


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Qualcomm Snapdragon 678 vs AMD Ryzen 7 PRO 7840HS

CPU comparison with benchmarks

CPU comparison

CPU Cores and Base Frequency

Artificial Intelligence and Machine Learning

Internal Graphics

Hardware codec support

Memory & PCIe

Thermal Management

Technical details