A8-3870K vs Ryzen 5 PRO 6650U

Primary details

Comparing Ryzen 5 PRO 6650U and A8-3870K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	670	2065
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	3.20
Market segment	Laptop	Desktop processor
Architecture codename	Rembrandt-U PRO (Zen 3+)	Llano (2011−2012)
Release date	19 April 2022 (2 years ago)	20 December 2011 (12 years ago)
Current price	no data	$32

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 5 PRO 6650U and A8-3870K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	4
Base clock speed	2.9 GHz	3 GHz
Boost clock speed	4.5 GHz	3 GHz
L1 cache	64K (per core)	128 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	16 MB (shared)	0 KB
Chip lithography	6 nm	32 nm
Die size	208 mm2	228 mm2
Maximum core temperature	95 °C	no data
Number of transistors	no data	1,178 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	Yes

Compatibility

Information on Ryzen 5 PRO 6650U and A8-3870K compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	FP7	FM1
Power consumption (TDP)	15 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 PRO 6650U and A8-3870K. You'll probably need this information if you require some particular technology.

Instruction set extensions	DDR5-4800/LPDDR5-6400 RAM (incl. ECC), PCIe 4, PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA	no data
AES-NI	+	no data
FMA	+	no data
AVX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 PRO 6650U and A8-3870K are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 PRO 6650U and A8-3870K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR5

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

AMD Radeon 660M

AMD Radeon HD 6550D

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 PRO 6650U and A8-3870K.

PCIe version	4.0	no data
PCI Express lanes	20	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 5 PRO 6650U outperforms A8-3870K by 626% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	10.82	1.49
Integrated graphics card	9.77	1.03
Recency	19 April 2022	20 December 2011
Physical cores	6	4
Threads	12	4
Chip lithography	6 nm	32 nm
Power consumption (TDP)	15 Watt	100 Watt

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Should you still have questions on choice between Ryzen 5 PRO 6650U and A8-3870K, ask them in Comments section, and we shall answer.

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