Core i5-11400 vs Pentium Gold 6405U

Primary details

Comparing Pentium Gold 6405U and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	661
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	63.61
Market segment	Laptop	Desktop processor
Series	Intel Comet Lake	no data
Architecture codename	Comet Lake-U (2019−2020)	Rocket Lake (2021)
Release date	31 October 2019 (4 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$161	no data
Current price	$75 (0.5x MSRP)	$120

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium Gold 6405U and Core i5-11400 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	2 (Dual-core)	6 (Hexa-Core)
Threads	4	12
Base clock speed	2.4 GHz	2.6 GHz
Boost clock speed	2.4 GHz	4.4 GHz
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	256K (per core)
L3 cache	2 MB	12 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Pentium Gold 6405U and Core i5-11400 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	FCBGA1528	FCLGA1200
Power consumption (TDP)	15 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Gold 6405U and Core i5-11400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	no data	-
Turbo Boost Max 3.0	no data	-
Status	Discontinued	Discontinued

Security technologies

Pentium Gold 6405U and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	+
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Gold 6405U and Core i5-11400 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 Gold 6405U and Core i5-11400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	37.5 GB/s	50 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 10th Gen Intel® Processors	Intel UHD Graphics 730
Max video memory	32 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	950 MHz	1.3 GHz
Execution Units	no data	24
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Pentium Gold 6405U and Core i5-11400 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Pentium Gold 6405U and Core i5-11400 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2160@60Hz
Max resolution over eDP	4096x2304@60Hz	5120 x 3200 @60Hz
Max resolution over DisplayPort	4096x2304@60Hz	5120 x 3200 @60Hz

Graphics API support

APIs supported by Pentium Gold 6405U and Core i5-11400 integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Pentium Gold 6405U and Core i5-11400.

PCIe version	2.0	4.0
PCI Express lanes	12	20

Pros & cons summary

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Recency	31 October 2019	16 March 2021
Physical cores	2	6
Threads	4	12
Power consumption (TDP)	15 Watt	65 Watt

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Should you still have questions on choice between Pentium Gold 6405U and Core i5-11400, ask them in Comments section, and we shall answer.

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