Ryzen 5 PRO 6650U vs i9-7940X

Primary details

Comparing Core i9-7940X and Ryzen 5 PRO 6650U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	402	737
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.21	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i9	no data
Power efficiency	9.37	66.25
Architecture codename	Skylake (server) (2017−2018)	Rembrandt-U PRO (Zen 3+) (2022)
Release date	1 September 2017 (7 years ago)	19 April 2022 (2 years ago)
Launch price (MSRP)	$1,399	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-7940X and Ryzen 5 PRO 6650U 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	14 (Tetradeca-Core)	6 (Hexa-Core)
Threads	28	12
Base clock speed	3.1 GHz	2.9 GHz
Boost clock speed	4.4 GHz	4.5 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	64K (per core)
L2 cache	1 MB (per core)	512K (per core)
L3 cache	19.25 MB (shared)	16 MB (shared)
Chip lithography	14 nm	6 nm
Die size	484 mm2	208 mm2
Maximum core temperature	102 °C	95 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-7940X and Ryzen 5 PRO 6650U 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 (Uniprocessor)	1
Socket	FCLGA2066	FP7
Power consumption (TDP)	165 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7940X and Ryzen 5 PRO 6650U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	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
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data
Precision Boost 2	no data	+

Security technologies

Core i9-7940X and Ryzen 5 PRO 6650U technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7940X and Ryzen 5 PRO 6650U are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7940X and Ryzen 5 PRO 6650U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon 660M ( - 1900 MHz)

Peripherals

Specifications and connection of peripherals supported by Core i9-7940X and Ryzen 5 PRO 6650U.

PCIe version	3.0	4.0
PCI Express lanes	44	20

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.

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Pros & cons summary

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Performance score	16.34	10.50
Recency	1 September 2017	19 April 2022
Physical cores	14	6
Threads	28	12
Chip lithography	14 nm	6 nm
Power consumption (TDP)	165 Watt	15 Watt

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Should you still have questions on choice between Core i9-7940X and Ryzen 5 PRO 6650U, ask them in Comments section, and we shall answer.

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