i3-1005G1 vs Pentium 3805U

Primary details

Comparing Pentium 3805U and Core i3-1005G1 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2661	1622
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Core i3
Power efficiency	4.67	11.70
Architecture codename	Broadwell-U (2015)	Ice Lake (Client) (2019)
Release date	1 March 2015 (9 years ago)	1 August 2019 (5 years ago)
Launch price (MSRP)	$161	$281

Detailed specifications

Pentium 3805U and Core i3-1005G1 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)	2 (Dual-core)
Threads	2	4
Base clock speed	1.9 GHz	1.2 GHz
Boost clock speed	1.9 GHz	3.4 GHz
Bus type	no data	OPI
Bus rate	5 GT/s	4 × 4 GT/s
Multiplier	no data	12
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	2 MB (shared)	4 MB (shared)
Chip lithography	14 nm	10 nm
Die size	82 mm2	no data
Maximum core temperature	105 °C	100 °C
Maximum case temperature (TCase)	105 °C	72 °C
Number of transistors	1300 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Pentium 3805U and Core i3-1005G1 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 (Uniprocessor)
Socket	FCBGA1168	FCBGA1526
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and Core i3-1005G1. 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	-	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Pentium 3805U and Core i3-1005G1 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and Core i3-1005G1 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 i3-1005G1. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	59.732 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for 5th Generation Intel Processors	Intel UHD Graphics for 10th Gen Intel Processors
Quick Sync Video	+	+
Clear Video	+	no data
Graphics max frequency	800 MHz	900 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Pentium 3805U and Core i3-1005G1 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Pentium 3805U and Core i3-1005G1 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304@60Hz
Max resolution over eDP	no data	5120 x 3200@60Hz
Max resolution over DisplayPort	no data	5120 x 3200@60Hz

Graphics API support

APIs supported by Pentium 3805U and Core i3-1005G1 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	12
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and Core i3-1005G1.

PCIe version	2.0	3.0
PCI Express lanes	12	no data

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	0.74	3.09
Integrated graphics card	0.77	5.58
Recency	1 March 2015	1 August 2019
Threads	2	4
Chip lithography	14 nm	10 nm

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Should you still have questions on choice between Pentium 3805U and Core i3-1005G1, ask them in Comments section, and we shall answer.

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