Ultra 5 135U vs Pentium 3805U

Primary details

Comparing Pentium 3805U and Core Ultra 5 135U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2658	697
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Meteor Lake-U
Power efficiency	4.71	69.97
Architecture codename	Broadwell-U (2015)	Meteor Lake-P (2023)
Release date	1 March 2015 (9 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$161	$332

Detailed specifications

Pentium 3805U and Core Ultra 5 135U 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)	12 (Dodeca-Core)
Threads	2	14
Base clock speed	1.9 GHz	1.6 GHz
Boost clock speed	1.9 GHz	4.4 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	112 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	2 MB (shared)	12 MB (shared)
Chip lithography	14 nm	Intel 4 nm
Die size	82 mm2	no data
Maximum core temperature	105 °C	110 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1300 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Pentium 3805U and Core Ultra 5 135U 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	FCBGA1168	FCBGA2049
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and Core Ultra 5 135U. 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	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	+
SIPP	-	+
Smart Response	-	no data
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

Pentium 3805U and Core Ultra 5 135U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	-
OS Guard	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and Core Ultra 5 135U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3805U and Core Ultra 5 135U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	16 GB	96 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 5th Generation Intel® Processors	Intel® Graphics
Quick Sync Video	+	+
Clear Video	+	no data
Graphics max frequency	800 MHz	1.9 GHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Pentium 3805U and Core Ultra 5 135U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Pentium 3805U and Core Ultra 5 135U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	3840x2400 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Pentium 3805U and Core Ultra 5 135U integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	12.2
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and Core Ultra 5 135U.

PCIe version	2.0	4.0
PCI Express lanes	12	12
PCI support	no data	4.0

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	0.76	11.30
Recency	1 March 2015	14 December 2023
Physical cores	2	12
Threads	2	14

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Should you still have questions on choice between Pentium 3805U and Core Ultra 5 135U, ask them in Comments section, and we shall answer.

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