Celeron G3900T vs i7-8665U

Primary details

Comparing Core i7-8665U and Celeron G3900T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1434	2285
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Celeron
Power efficiency	24.86	3.43
Architecture codename	Whiskey Lake-U (2018−2019)	Skylake (2015−2016)
Release date	1 October 2018 (6 years ago)	19 October 2015 (9 years ago)
Launch price (MSRP)	$409	no data

Detailed specifications

Core i7-8665U and Celeron G3900T 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	4 (Quad-Core)	2 (Dual-core)
Threads	8	2
Base clock speed	1.9 GHz	2.6 GHz
Boost clock speed	4.8 GHz	2.6 GHz
Bus type	OPI	DMI 3.0
Bus rate	4 GT/s	4 × 8 GT/s
Multiplier	19	26
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	8 MB (shared)	2 MB
Chip lithography	14 nm	14 nm
Die size	no data	98.57 mm2
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Core i7-8665U and Celeron G3900T 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 (Uniprocessor)	1 (Uniprocessor)
Socket	FCBGA1528	FCLGA1151
Power consumption (TDP)	15 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8665U and Celeron G3900T. 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
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	-
Smart Response	+	no data

Security technologies

Core i7-8665U and Celeron G3900T technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8665U and Celeron G3900T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8665U and Celeron G3900T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-1866/2133, DDR3L-1333/1600
Maximum memory size	64 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	34.134 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics for 8th Generation Intel Processors	Intel HD Graphics 510
Max video memory	32 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.15 GHz	950 MHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i7-8665U and Celeron G3900T integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-8665U and Celeron G3900T integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096 x 2304@24Hz	4096x2304@24Hz
Max resolution over eDP	4096 x 2304@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096 x 2304@60Hz	4096x2304@60Hz
Max resolution over VGA	no data	N/A

Graphics API support

APIs supported by Core i7-8665U and Celeron G3900T integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.4

Peripherals

Specifications and connection of peripherals supported by Core i7-8665U and Celeron G3900T.

PCIe version	3.0	3.0
PCI Express lanes	16	16

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	3.94	1.27
Integrated graphics card	5.58	1.61
Recency	1 October 2018	19 October 2015
Physical cores	4	2
Threads	8	2
Power consumption (TDP)	15 Watt	35 Watt

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Should you still have questions on choice between Core i7-8665U and Celeron G3900T, ask them in Comments section, and we shall answer.

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