UNISOC T618 vs AMD Ryzen 5 7640U

Last updated: 2023-11-03

CPU comparison with benchmarks


UNISOC T618		AMD Ryzen 5 7640U
CPU comparison UNISOC T618 or AMD Ryzen 5 7640U - 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 UNISOC T618 has 8 cores with 8 threads and clocks with a maximum frequency of 2.00 GHz. Up to GB of memory is supported in 2 memory channels. The UNISOC T618 was released in Q3/2019. The AMD Ryzen 5 7640U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 5 7640U was released in Q3/2023.

UNISOC 4G (10)	Family	AMD Ryzen 5 (85)
UNISOC 4G 12nm (8)	CPU group	AMD Ryzen 7040 (21)
0	Generation	6
--	Architecture	Phoenix (Zen 4)
Mobile	Segment	Mobile
--	Predecessor	--
--	Successor	AMD Ryzen 5 8640U

CPU Cores and Base Frequency The UNISOC T618 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the UNISOC T618 is 2.00 GHz while the AMD Ryzen 5 7640U has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 7640U is at 3.50 GHz (4.90 GHz).
UNISOC T618	Characteristic	AMD Ryzen 5 7640U
8	Cores	6
8	Threads	12
hybrid (big.LITTLE)	Core architecture	normal
No	Hyperthreading	Yes
No	Overclocking ?	No
2.00 GHz 2x Cortex-A75	A-Core	3.50 GHz (4.90 GHz) 6x Zen 4
2.00 GHz 6x Cortex-A55	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.
UNISOC T618	Characteristic	AMD Ryzen 5 7640U
--	AI hardware	--
--	AI specifications	--

Internal Graphics The UNISOC T618 or AMD Ryzen 5 7640U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
ARM Mali-G52 MP2	GPU	AMD Radeon 760M
0.85 GHz	GPU frequency	0.80 GHz
--	GPU (Turbo)	2.60 GHz
Bifrost 2	GPU Generation	10
16 nm	Technology	4 nm
2	Max. displays	4
2	Compute units	8
32	Shader	512
No	Hardware Raytracing	Yes
No	Frame Generation	AMD FSR
--	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.
ARM Mali-G52 MP2	GPU	AMD Radeon 760M
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
Decode / Encode	Codec VP8	Decode
No	Codec AV1	Decode / Encode
Decode / Encode	Codec AVC	Decode
Decode / Encode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The UNISOC T618 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is --. The AMD Ryzen 5 7640U supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s.
UNISOC T618	Characteristic	AMD Ryzen 5 7640U
LPDDR4X-1866, LPDDR4-1866, LPDDR3-933	Memory	DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
	Max. Memory	256 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
--	Max. Bandwidth	120.0 GB/s
No	ECC	Yes
--	L2 Cache	6.00 MB
--	L3 Cache	16.00 MB
--	PCIe version	4.0
--	PCIe lanes	20
--	PCIe Bandwidth	39.4 GB/s
Thermal Management The thermal design power (TDP for short) of the UNISOC T618 is --, while the AMD Ryzen 5 7640U has a TDP of 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
UNISOC T618	Characteristic	AMD Ryzen 5 7640U
--	TDP (PL1 / PBP)	28 W
--	TDP (PL2)	--
--	TDP up	30 W
--	TDP down	15 W
--	Tjunction max.	100 °C
Technical details The UNISOC T618 is manufactured in 12 nm and has 0.00 MB cache. The AMD Ryzen 5 7640U is manufactured in 4 nm and has a 22.00 MB cache.
UNISOC T618	Characteristic	AMD Ryzen 5 7640U
12 nm	Technology	4 nm
Unknown	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
Q3/2019	Release date	Q3/2023
--	Release price	--

show more data		show more data

UNISOC T618 8C 8T @ 2.00 GHz buy now on Amazon and save! AMD Ryzen 5 7640U 6C 12T @ 3.50 GHz (4.90 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks

UNISOC T618 (21%)

AMD Ryzen 5 7640U (100%)

⌀ Multi core performance in 2 CPU benchmarks

UNISOC T618 (16%)

AMD Ryzen 5 7640U (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.


	UNISOC T618 8C 8T @ 2.00 GHz	385 (21%)
	AMD Ryzen 5 7640U 6C 12T @ 4.90 GHz	1869 (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.


	UNISOC T618 8C 8T @ 2.00 GHz	1418 (16%)
	AMD Ryzen 5 7640U 6C 12T @ 3.50 GHz	8853 (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.


	UNISOC T618 8C 8T @ 2.00 GHz	464 (20%)
	AMD Ryzen 5 7640U 6C 12T @ 4.90 GHz	2340 (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.


	UNISOC T618 8C 8T @ 2.00 GHz	1513 (16%)
	AMD Ryzen 5 7640U 6C 12T @ 3.50 GHz	9197 (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.


	UNISOC T618 ARM Mali-G52 MP2 @ 0.85 GHz	54 (2%)
	AMD Ryzen 5 7640U AMD Radeon 760M @ 2.60 GHz	2663 (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.


	UNISOC T618 8C 8T @ 2.00 GHz	0 (0%)
	AMD Ryzen 5 7640U 6C 12T @ 4.90 GHz	1552 (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.


	UNISOC T618 8C 8T @ 2.00 GHz	0 (0%)
	AMD Ryzen 5 7640U 6C 12T @ 3.50 GHz	10675 (100%)

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.


	UNISOC T618 2.00 GHz	0 (0%)
	AMD Ryzen 5 7640U 10,675 CB R23 MC @ 24 W	445 (100%)

Devices using this processor
UNISOC T618	AMD Ryzen 5 7640U
Unknown	Unknown

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