PRO A12-8870 vs i7-2820QM

Primary details

Comparing Core i7-2820QM and PRO A12-8870 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1682	1751
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Power efficiency	5.80	3.55
Architecture codename	Sandy Bridge (2011−2013)	Carrizo (2015−2018)
Release date	3 January 2011 (13 years ago)	October 2016 (8 years ago)
Launch price (MSRP)	$568	no data

Detailed specifications

Core i7-2820QM and PRO A12-8870 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	2.3 GHz	3.7 GHz
Boost clock speed	3.4 GHz	4.2 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)	no data
L2 cache	256K (per core)	2048 KB
L3 cache	8 MB (shared)	no data
Chip lithography	32 nm	28 nm
Die size	216 mm2	250 mm2
Maximum core temperature	100 °C	no data
Number of transistors	1,160 million	3,100 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-2820QM and PRO A12-8870 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	AM4
Power consumption (TDP)	45 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2820QM and PRO A12-8870. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-2820QM and PRO A12-8870 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2820QM and PRO A12-8870 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2820QM and PRO A12-8870. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333, DDR3-1600	DDR4-2400
Maximum memory size	32 GB	no data
Max memory channels	2	2
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	AMD Radeon R7 Graphics
iGPU core count	no data	8
Quick Sync Video	+	-
Clear Video HD	+	no data
Enduro	-	n/a
Switchable graphics	-	+
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2820QM and PRO A12-8870 integrated GPUs.

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

Graphics API support

APIs supported by Core i7-2820QM and PRO A12-8870 integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-2820QM and PRO A12-8870.

PCIe version	2.0	3.0
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.

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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	2.86	2.53
Threads	8	4
Chip lithography	32 nm	28 nm
Power consumption (TDP)	45 Watt	65 Watt

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Should you still have questions on choice between Core i7-2820QM and PRO A12-8870, ask them in Comments section, and we shall answer.

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