Celeron N5100 vs Core i7-840QM

Primary details

Comparing Core i7-840QM and Celeron N5100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2209	1783
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	no data
Architecture codename	Clarksfield (2009−2010)	Jasper Lake (2021)
Release date	20 June 2010 (14 years ago)	11 January 2021 (3 years ago)
Launch price (MSRP)	$568	no data
Current price	$191 (0.3x MSRP)	no data

Detailed specifications

Core i7-840QM and Celeron N5100 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)	4 (Quad-Core)
Threads	8	4
Base clock speed	1.86 GHz	1.1 GHz
Boost clock speed	3.2 GHz	2.8 GHz
Bus support	2500 MHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	1.5 MB
L3 cache	8 MB (shared)	4 MB
Chip lithography	45 nm	10 nm
Die size	296 mm2	no data
Maximum core temperature	100 °C	105 °C
Number of transistors	774 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Core i7-840QM and Celeron N5100 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	FCPGA988,PGA988	FCBGA1338
Power consumption (TDP)	45 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and Celeron N5100. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.2
AES-NI	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	+	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Smart Response	no data	-
PAE	36 Bit	no data
GPIO	no data	+
Turbo Boost Max 3.0	no data	-
Status	Discontinued	Launched

Security technologies

Core i7-840QM and Celeron N5100 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	no data
Identity Protection	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-840QM and Celeron N5100 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and Celeron N5100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	8 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	no data
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	None	Intel UHD Graphics
Quick Sync Video	no data	+
Graphics max frequency	no data	800 MHz
Execution Units	no data	24

Graphics interfaces

Available interfaces and connections of Core i7-840QM and Celeron N5100 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-840QM and Celeron N5100 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@60Hz
Max resolution over eDP	no data	4096x2160@60Hz
Max resolution over DisplayPort	no data	4096x2160@60Hz

Graphics API support

APIs supported by Core i7-840QM and Celeron N5100 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and Celeron N5100.

PCIe version	2	no data
PCI Express lanes	16	8
USB revision	no data	2.0/3.2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	no data	14
Integrated LAN	no data	-
UART	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.

Celeron N5100 outperforms Core i7-840QM by 71% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.26	2.15
Recency	20 June 2010	11 January 2021
Threads	8	4
Chip lithography	45 nm	10 nm
Power consumption (TDP)	45 Watt	6 Watt

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Should you still have questions on choice between Core i7-840QM and Celeron N5100, ask them in Comments section, and we shall answer.

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