Celeron 3965Y vs i7-2820QM

Primary details

Comparing Core i7-2820QM and Celeron 3965Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1696	2661
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Celeron
Power efficiency	5.77	11.77
Architecture codename	Sandy Bridge (2011−2013)	Kaby Lake (2016−2019)
Release date	3 January 2011 (13 years ago)	21 April 2017 (7 years ago)
Launch price (MSRP)	$568	no data

Detailed specifications

Core i7-2820QM and Celeron 3965Y 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	2.3 GHz	1.5 GHz
Boost clock speed	3.4 GHz	1.3 GHz
Bus type	DMI 2.0	OPI
Bus rate	4 × 5 GT/s	4 GT/s
Multiplier	23	13
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	8 MB (shared)	2 MB
Chip lithography	32 nm	14 nm
Die size	216 mm2	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	1,160 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-2820QM and Celeron 3965Y 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	FCBGA1224,FCPGA988,PPGA988	FCBGA1515
Power consumption (TDP)	45 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2820QM and Celeron 3965Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	+	-
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
My WiFi	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Smart Response	no data	+
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-2820QM and Celeron 3965Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2820QM and Celeron 3965Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2820QM and Celeron 3965Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333, DDR3-1600	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.598 GB/s	34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	Intel HD Graphics 615
Max video memory	no data	16 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	+
Graphics max frequency	1.3 GHz	850 MHz
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2820QM and Celeron 3965Y integrated GPUs.

Number of displays supported	2	3
eDP	+	+
DisplayPort	+	+
HDMI	+	+
DVI	no data	+
SDVO	+	no data
CRT	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-2820QM and Celeron 3965Y integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz

Graphics API support

APIs supported by Core i7-2820QM and Celeron 3965Y integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Core i7-2820QM and Celeron 3965Y.

PCIe version	2.0	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	2.76	0.75
Integrated graphics card	0.66	1.87
Recency	3 January 2011	21 April 2017
Physical cores	4	2
Threads	8	2
Chip lithography	32 nm	14 nm
Power consumption (TDP)	45 Watt	6 Watt

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Should you still have questions on choice between Core i7-2820QM and Celeron 3965Y, ask them in Comments section, and we shall answer.

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