Atom N2800 vs i7-2820QM

Place in the ranking	1688	3118
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Atom
Power efficiency	5.80	3.79
Architecture codename	Sandy Bridge (2011−2013)	Cedarview-M (2011−2012)
Release date	3 January 2011 (13 years ago)	1 December 2011 (12 years ago)
Launch price (MSRP)	$568	$47

Detailed specifications

Core i7-2820QM and Atom N2800 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	4
Base clock speed	2.3 GHz	1.86 GHz
Boost clock speed	3.4 GHz	1.87 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	23	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	8 MB (shared)	0 KB
Chip lithography	32 nm	32 nm
Die size	216 mm²	66 mm²
Maximum core temperature	100 °C	no data
Number of transistors	1,160 million	176 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-2820QM and Atom N2800 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
Socket	FCBGA1224,FCPGA988,PPGA988	FCBGA559
Power consumption (TDP)	45 Watt	6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2820QM and Atom N2800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Demand Based Switching	-	-
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-2820QM and Atom N2800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2820QM and Atom N2800 are enumerated here.

AMD-V	+	-
VT-d	+	-
VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2820QM and Atom N2800. 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	4.88 GB
Max memory channels	2	1
Maximum memory bandwidth	25.598 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	Intel Graphics Media Accelerator (GMA) 3650 (640 MHz)
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2820QM and Atom N2800 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Core i7-2820QM and Atom N2800.

PCIe version	2.0	no data
PCI Express lanes	16	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.

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.

i7-2820QM 2.76
+886%

Atom N2800 0.28

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-2820QM 4379
+886%

Atom N2800 444

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-2820QM 4250
+556%

Atom N2800 648

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-2820QM 15044
+722%

Atom N2800 1829

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-2820QM 5819
+503%

Atom N2800 965

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-2820QM 10
+443%

Atom N2800 54.3