Atom x7405C vs i7-660UE

Primary details

Comparing Core i7-660UE and Atom x7405C processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	no data
Architecture codename	Arrandale (2010−2011)	Amston Lake (2024)
Release date	15 August 2010 (14 years ago)	8 April 2024 (less than a year ago)
Launch price (MSRP)	$301	no data

Detailed specifications

Core i7-660UE and Atom x7405C 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	1.33 GHz	1.7 GHz
Boost clock speed	2.4 GHz	3.4 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	10	no data
L1 cache	128 KB	96 KB (per core)
L2 cache	512 KB	2 MB (shared)
L3 cache	4 MB (shared)	6 MB (shared)
Chip lithography	32 nm	10 nm
Die size	81 mm2	no data
Maximum core temperature	105 °C	no data
Number of transistors	382 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-660UE and Atom x7405C 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	Intel BGA 1264
Power consumption (TDP)	18 Watt	12 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-660UE and Atom x7405C. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	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 i7-660UE and Atom x7405C 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 i7-660UE and Atom x7405C are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-660UE and Atom x7405C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR4, DDR5
Maximum memory size	8.79 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	12.799 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	N/A
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-660UE and Atom x7405C integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-660UE and Atom x7405C.

PCIe version	2.0	3.0
PCI Express lanes	16	9

Pros & cons summary

---

Recency	15 August 2010	8 April 2024
Physical cores	2	4
Chip lithography	32 nm	10 nm
Power consumption (TDP)	18 Watt	12 Watt

---

Should you still have questions on choice between Core i7-660UE and Atom x7405C, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---