A9-9420e vs Core i7-640UM

General info

Comparing Core i7-640UM and A9-9420e processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2507	2554
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	AMD Bristol Ridge
Architecture codename	Arrandale (2010−2011)	Stoney Ridge (2016−2019)
Release date	4 January 2010 (14 years old)	1 June 2018 (5 years old)
Launch price (MSRP)	$305	no data
Current price	$1359 (4.5x MSRP)	$380

Technical specs

Core i7-640UM and A9-9420e 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	1.2 GHz	no data
Boost clock speed	2.27 GHz	no data
Bus support	2500 MHz	no data
L1 cache	128 KB	no data
L2 cache	512 KB	1 MB
L3 cache	4 MB	no data
Chip lithography	32 nm	28 nm
Die size	81+114 mm2	124.5 mm2
Maximum core temperature	105 °C	90 °C
Number of transistors	382+177 Million	1200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i7-640UM and A9-9420e 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	no data
Socket	BGA1288	BGA
Power consumption (TDP)	18 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640UM and A9-9420e. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Single-Channel DDR4-2133?, Virtualization,
AES-NI	+	no data
FMA	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
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 i7-640UM and A9-9420e 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 i7-640UM and A9-9420e are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640UM and A9-9420e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR4
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	12.8 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	AMD Radeon R5 (Stoney Ridge)
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-640UM and A9-9420e integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640UM and A9-9420e.

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.

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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.

Core i7-640UM outperforms A9-9420e by 7% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	0.77	0.72
Recency	4 January 2010	1 June 2018
Threads	4	2
Chip lithography	32 nm	28 nm

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Should you still have questions on choice between Core i7-640UM and A9-9420e, ask them in Comments section, and we shall answer.

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