Pentium Gold 6405U vs Pentium Silver J5040

Primary details

Comparing Pentium Silver J5040 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1799	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.29	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Comet Lake
Architecture codename	Gemini Lake Refresh (2019)	Comet Lake-U (2019−2020)
Release date	4 November 2019 (4 years ago)	31 October 2019 (4 years ago)
Launch price (MSRP)	no data	$161
Current price	$649	$75 (0.5x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium Silver J5040 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	4
Base clock speed	2 GHz	2.4 GHz
Boost clock speed	3.2 GHz	2.4 GHz
L1 cache	no data	256 KB
L2 cache	4 MB	1 MB
L3 cache	4 MB	2 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	105 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Pentium Silver J5040 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	1
Socket	FCBGA1090	FCBGA1528
Power consumption (TDP)	10 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Silver J5040 and Pentium Gold 6405U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	-	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
TSX	no data	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Smart Response	-	no data
GPIO	+	no data
Turbo Boost Max 3.0	-	no data
Status	Discontinued	Discontinued

Security technologies

Pentium Silver J5040 and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Silver J5040 and Pentium Gold 6405U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Silver J5040 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	8 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	37.5 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 605	Intel® UHD Graphics for 10th Gen Intel® Processors
Max video memory	8 GB	32 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	800 MHz	950 MHz
Execution Units	18	no data

Graphics interfaces

Available interfaces and connections of Pentium Silver J5040 and Pentium Gold 6405U integrated GPUs.

Number of displays supported	3	3
eDP	+	+
DisplayPort	+	+
HDMI	+	+
DVI	no data	+
MIPI-DSI	+	no data

Graphics image quality

Maximum display resolutions supported by Pentium Silver J5040 and Pentium Gold 6405U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2160@30Hz	4096x2304@24Hz
Max resolution over eDP	4096x2160@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2160@60Hz	4096x2304@60Hz

Graphics API support

APIs supported by Pentium Silver J5040 and Pentium Gold 6405U integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.4	4.5

Peripherals

Specifications and connection of peripherals supported by Pentium Silver J5040 and Pentium Gold 6405U.

PCIe version	2.0	2.0
PCI Express lanes	6	12
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	no data
Integrated LAN	-	no data
UART	+	no data

Pros & cons summary

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Physical cores	4	2
Power consumption (TDP)	10 Watt	15 Watt

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Should you still have questions on choice between Pentium Silver J5040 and Pentium Gold 6405U, ask them in Comments section, and we shall answer.

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