Pentium 8505 vs Pentium Gold 6405U

Primary details

Comparing Pentium Gold 6405U and Pentium 8505 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2048	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Comet Lake	Intel Alder Lake-M
Power efficiency	10.85	no data
Architecture codename	Comet Lake-U (2019−2020)	Alder Lake-U (2022)
Release date	31 October 2019 (5 years ago)	23 February 2022 (2 years ago)
Launch price (MSRP)	$161	no data

Detailed specifications

Pentium Gold 6405U and Pentium 8505 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)	5 (Penta-Core)
Performance-cores	no data	1
Efficient-cores	no data	4
Threads	4	6
Base clock speed	2.4 GHz	1.2 GHz
Boost clock speed	2.4 GHz	4.4 GHz
Bus rate	4 GT/s	no data
L1 cache	256 KB	80K (per core)
L2 cache	1 MB	1.25 MB (per core)
L3 cache	2 MB	8 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Pentium Gold 6405U and Pentium 8505 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	Intel BGA 1744
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Gold 6405U and Pentium 8505. 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
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	+
Deep Learning Boost	-	+

Security technologies

Pentium Gold 6405U and Pentium 8505 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Gold 6405U and Pentium 8505 are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Gold 6405U and Pentium 8505. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4, DDR5
Maximum memory size	64 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	37.5 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics for 10th Gen Intel Processors	Intel UHD Graphics for 12th Gen Intel Processors
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	950 MHz	1.1 GHz
Execution Units	no data	48

Graphics interfaces

Available interfaces and connections of Pentium Gold 6405U and Pentium 8505 integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Pentium Gold 6405U and Pentium 8505 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	4096 x 2304 @ 60Hz
Max resolution over eDP	4096x2304@60Hz	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	4096x2304@60Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Pentium Gold 6405U and Pentium 8505 integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Pentium Gold 6405U and Pentium 8505.

PCIe version	2.0	4.0
PCI Express lanes	12	20

Pros & cons summary

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Recency	31 October 2019	23 February 2022
Physical cores	2	5
Threads	4	6

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