A4-5100 vs i7-640M

Primary details

Comparing Core i7-640M and A4-5100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2231	2531
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	AMD A-Series
Architecture codename	Arrandale (2010−2011)	Kabini (2013−2014)
Release date	13 September 2010 (14 years ago)	4 November 2013 (10 years ago)
Launch price (MSRP)	$346	no data

Detailed specifications

Core i7-640M and A4-5100 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)	4 (Quad-Core)
Threads	4	4
Base clock speed	2.8 GHz	no data
Boost clock speed	3.46 GHz	1.55 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	21	no data
L1 cache	128 KB	no data
L2 cache	512 KB	2048 KB
L3 cache	4 MB	no data
Chip lithography	32 nm	28 nm
Die size	81+114 mm2	107 mm2
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	no data	90 °C
Number of transistors	382+177 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-640M and A4-5100 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	BGA1288,PGA988	FT3
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640M and A4-5100. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX
AES-NI	+	+
FMA	+	FMA4
AVX	-	+
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Core i7-640M and A4-5100 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640M and A4-5100 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 i7-640M and A4-5100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	8 GB	no data
Max memory channels	2	1
Maximum memory bandwidth	17.051 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	AMD Radeon HD 8330
Clear Video	+	no data
Clear Video HD	+	no data
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+
Graphics max frequency	766 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-640M and A4-5100 integrated GPUs.

Number of displays supported	2	no data
DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Core i7-640M and A4-5100 integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-640M and A4-5100.

PCIe version	2.0	2.0
PCI Express lanes	16	8

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.

Pros & cons summary

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Performance score	1.34	0.87
Recency	13 September 2010	4 November 2013
Physical cores	2	4
Chip lithography	32 nm	28 nm
Power consumption (TDP)	35 Watt	15 Watt

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Should you still have questions on choice between Core i7-640M and A4-5100, ask them in Comments section, and we shall answer.

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