Atom E640 vs i3-2120T

Primary details

Comparing Core i3-2120T and Atom E640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2488	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.15	no data
Market segment	Desktop processor	Laptop
Power efficiency	2.60	no data
Architecture codename	Sandy Bridge (2011−2013)	Tunnel Creek (2010)
Release date	4 September 2011 (13 years ago)	14 September 2010 (14 years ago)
Launch price (MSRP)	$50	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i3-2120T and Atom E640 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)	1 (Single-Core)
Threads	4	2
Base clock speed	2.6 GHz	no data
Boost clock speed	2.6 GHz	1 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	3 MB (shared)	0 KB
Chip lithography	32 nm	45 nm
Die size	131 mm2	26 mm2
Maximum core temperature	65 °C	no data
Number of transistors	504 million	47 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Core i3-2120T and Atom E640 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
Socket	FCLGA1155	Intel BGA 676
Power consumption (TDP)	35 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-2120T and Atom E640. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i3-2120T and Atom E640 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-2120T and Atom E640 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-2120T and Atom E640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 2000	Intel GMA 600
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i3-2120T and Atom E640 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i3-2120T and Atom E640.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Recency	4 September 2011	14 September 2010
Physical cores	2	1
Threads	4	2
Chip lithography	32 nm	45 nm
Power consumption (TDP)	35 Watt	3 Watt

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Should you still have questions on choice between Core i3-2120T and Atom E640, ask them in Comments section, and we shall answer.

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