A6 PRO-7400B vs i7-2640M

Primary details

Comparing Core i7-2640M and A6 PRO-7400B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2111	2437
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Power efficiency	4.19	1.50
Architecture codename	Sandy Bridge (2011−2013)	Kaveri (2014−2015)
Release date	4 September 2011 (13 years ago)	31 July 2014 (10 years ago)
Launch price (MSRP)	$346	no data

Detailed specifications

Core i7-2640M and A6 PRO-7400B 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	2 (Dual-core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.8 GHz	3.5 GHz
Boost clock speed	3.5 GHz	3.9 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	28	no data
L1 cache	128 KB	no data
L2 cache	512 KB	1024 KB
L3 cache	4 MB	no data
Chip lithography	32 nm	28 nm
Die size	149 mm2	245 mm2
Maximum core temperature	100 °C	70 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	624 Million	2,411 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-2640M and A6 PRO-7400B 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	FCBGA1023,PPGA988	FM2+
Power consumption (TDP)	35 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2640M and A6 PRO-7400B. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
FMA	+	+
AVX	+	+
PowerTune	-	+
DualGraphics	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
Out-of-band client management	-	+
VirusProtect	-	+
RAID	-	+
HSA	-	+
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 i7-2640M and A6 PRO-7400B 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 i7-2640M and A6 PRO-7400B are enumerated here.

AMD-V	+	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2640M and A6 PRO-7400B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-1866
Maximum memory size	16 GB	no data
Max memory channels	2	2
Maximum memory bandwidth	228.707 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	AMD Radeon R5 Graphics
iGPU core count	no data	4
Number of pipelines	no data	256
Quick Sync Video	+	-
Clear Video HD	+	no data
UVD	-	+
VCE	-	+
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2640M and A6 PRO-7400B integrated GPUs.

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

Graphics API support

APIs supported by Core i7-2640M and A6 PRO-7400B integrated GPUs, sometimes API versions are included.

DirectX

no data

DirectX® 12

Peripherals

Specifications and connection of peripherals supported by Core i7-2640M and A6 PRO-7400B.

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	1.55	1.03
Recency	4 September 2011	31 July 2014
Threads	4	2
Chip lithography	32 nm	28 nm
Power consumption (TDP)	35 Watt	65 Watt

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Should you still have questions on choice between Core i7-2640M and A6 PRO-7400B, ask them in Comments section, and we shall answer.

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