i7-640UM vs E2-3800

Primary details

Comparing E2-3800 and Core i7-640UM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2693	2671
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD A-Series	Intel Core i7
Power efficiency	4.60	3.89
Architecture codename	Kabini (2013−2014)	Arrandale (2010−2011)
Release date	23 May 2013 (11 years ago)	7 January 2010 (14 years ago)
Launch price (MSRP)	no data	$305

Detailed specifications

E2-3800 and Core i7-640UM 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	4	4
Base clock speed	no data	1.2 GHz
Boost clock speed	1.3 GHz	2.27 GHz
Bus type	no data	DMI 1.0
Bus rate	no data	1 × 2.5 GT/s
Multiplier	no data	9
L1 cache	128 KB	64 KB (per core)
L2 cache	2048 KB	256 KB (per core)
L3 cache	no data	4 MB (shared)
Chip lithography	28 nm	32 nm
Die size	107 mm2	81+114 mm2
Maximum core temperature	90 °C	105 °C
Maximum case temperature (TCase)	90 °C	no data
Number of transistors	no data	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on E2-3800 and Core i7-640UM 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	1 (Uniprocessor)
Socket	FT3	BGA1288
Power consumption (TDP)	15 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by E2-3800 and Core i7-640UM. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX	Intel® SSE4.1, Intel® SSE4.2
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	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

E2-3800 and Core i7-640UM 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 E2-3800 and Core i7-640UM 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 E2-3800 and Core i7-640UM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1600	DDR3-800
Maximum memory size	no data	8 GB
Max memory channels	1	2
Maximum memory bandwidth	no data	12.799 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	AMD Radeon HD 8280	Intel HD Graphics for Previous Generation Intel Processors
จำนวนพาธไลน์	128	no data
Clear Video	no data	+
Clear Video HD	no data	+
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-
Graphics max frequency	no data	500 MHz

Graphics interfaces

Available interfaces and connections of E2-3800 and Core i7-640UM integrated GPUs.

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

Graphics API support

APIs supported by E2-3800 and Core i7-640UM integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by E2-3800 and Core i7-640UM.

PCIe version	2.0	2.0
PCI Express lanes	4	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	0.73	0.74
Integrated graphics card	0.67	0.77
Recency	23 May 2013	7 January 2010
Physical cores	4	2
Chip lithography	28 nm	32 nm
Power consumption (TDP)	15 Watt	18 Watt

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Should you still have questions on choice between E2-3800 and Core i7-640UM, ask them in Comments section, and we shall answer.

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