Pentium Gold 6405U vs Ryzen 7 3700X

Primary details

Comparing Ryzen 7 3700X and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	507	2025
Place by popularity	73	not in top-100
Cost-effectiveness evaluation	18.31	no data
Market segment	Desktop processor	Laptop
Series	AMD Ryzen 7	Intel Comet Lake
Power efficiency	20.66	10.94
Architecture codename	Matisse (Zen 2) (2019−2020)	Comet Lake-U (2019−2020)
Release date	27 May 2019 (5 years ago)	31 October 2019 (5 years ago)
Launch price (MSRP)	$329	$161

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 7 3700X and Pentium Gold 6405U 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	4
Base clock speed	3.6 GHz	2.4 GHz
Boost clock speed	4.4 GHz	2.4 GHz
Bus rate	no data	4 GT/s
L1 cache	512 KB	256 KB
L2 cache	4 MB	1 MB
L3 cache	32 MB	2 MB
Chip lithography	7 nm, 12 nm	14 nm
Maximum core temperature	no data	100 °C
Number of transistors	19,200 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 7 3700X and Pentium Gold 6405U 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	AM4	FCBGA1528
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3700X and Pentium Gold 6405U. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	+
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Precision Boost 2	+	no data

Security technologies

Ryzen 7 3700X and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	no data	+
Secure Key	no data	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3700X and Pentium Gold 6405U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3700X and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR4
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	51.196 GB/s	37.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel® UHD Graphics for 10th Gen Intel® Processors
Max video memory	-	32 GB
Quick Sync Video	-	+
Clear Video	-	+
Clear Video HD	-	+
Graphics max frequency	-	950 MHz

Graphics interfaces

Available interfaces and connections of Ryzen 7 3700X and Pentium Gold 6405U integrated GPUs.

Number of displays supported	-	3
eDP	-	+
DisplayPort	-	+
HDMI	-	+
DVI	-	+

Graphics image quality

Maximum display resolutions supported by Ryzen 7 3700X and Pentium Gold 6405U integrated GPUs, including resolutions over different interfaces.

4K resolution support	-	+
Max resolution over HDMI 1.4	-	4096x2304@24Hz
Max resolution over eDP	-	4096x2304@60Hz
Max resolution over DisplayPort	-	4096x2304@60Hz

Graphics API support

APIs supported by Ryzen 7 3700X and Pentium Gold 6405U integrated GPUs, sometimes API versions are included.

DirectX	-	12
OpenGL	-	4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3700X and Pentium Gold 6405U.

PCIe version	no data	2.0
PCI Express lanes	no data	12

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	14.73	1.80
Recency	27 May 2019	31 October 2019
Physical cores	8	2
Threads	16	4
Chip lithography	7 nm	14 nm
Power consumption (TDP)	65 Watt	15 Watt

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Should you still have questions on choice between Ryzen 7 3700X and Pentium Gold 6405U, ask them in Comments section, and we shall answer.

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