i3-1005G1 vs i5-4278U

Primary details

Comparing Core i5-4278U and Core i3-1005G1 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2025	1630
Place by popularity	not in top-100	67
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Core i3
Power efficiency	5.98	11.64
Architecture codename	Haswell (2013−2015)	Ice Lake (Client) (2019)
Release date	21 July 2014 (10 years ago)	1 August 2019 (5 years ago)
Launch price (MSRP)	$315	$281

Detailed specifications

Core i5-4278U 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	4	4
Base clock speed	2.6 GHz	1.2 GHz
Boost clock speed	3.1 GHz	3.4 GHz
Bus type	no data	OPI
Bus rate	5 GT/s	4 × 4 GT/s
Multiplier	no data	12
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	3 MB	4 MB (shared)
Chip lithography	22 nm	10 nm
Die size	181 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	1300 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i5-4278U 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)	28 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-4278U 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® AVX2	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	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Deep Learning Boost	-	+

Security technologies

Core i5-4278U 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	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-4278U 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 Core i5-4278U 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 Iris Graphics 5100	Intel UHD Graphics for 10th Gen Intel Processors
Max video memory	2 GB	no data
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	900 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-4278U and Core i3-1005G1 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-4278U and Core i3-1005G1 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3280x2000@60Hz	4096 x 2304@60Hz
Max resolution over eDP	no data	5120 x 3200@60Hz
Max resolution over DisplayPort	3200x2000@60Hz	5120 x 3200@60Hz

Graphics API support

APIs supported by Core i5-4278U and Core i3-1005G1 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	12
OpenGL	4.3	4.6

Peripherals

Specifications and connection of peripherals supported by Core i5-4278U and Core i3-1005G1.

PCIe version	2	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	1.78	3.09
Integrated graphics card	1.94	5.58
Recency	21 July 2014	1 August 2019
Chip lithography	22 nm	10 nm
Power consumption (TDP)	28 Watt	15 Watt

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Should you still have questions on choice between Core i5-4278U and Core i3-1005G1, ask them in Comments section, and we shall answer.

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