Xeon E-2478 vs i7-660UE

Primary details

Comparing Core i7-660UE and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	314
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	82.64
Market segment	Laptop	Server
Series	Intel Core i7	no data
Power efficiency	no data	22.22
Architecture codename	Arrandale (2010−2011)	Raptor Lake-S (2023−2024)
Release date	2 August 2010 (14 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$301	$568

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-660UE and Xeon E-2478 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)	8 (Octa-Core)
Threads	4	16
Base clock speed	1.33 GHz	2.8 GHz
Boost clock speed	2.4 GHz	5.2 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	16 GT/s
Multiplier	10	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	2 MB (per core)
L3 cache	4 MB (shared)	24 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	81 mm2	257 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	382 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-660UE and Xeon E-2478 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	FCLGA1700
Power consumption (TDP)	18 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-660UE and Xeon E-2478. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-660UE and Xeon E-2478 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-660UE and Xeon E-2478 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-660UE and Xeon E-2478. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR5-4800
Maximum memory size	8.79 GB	128 GB
Max memory channels	2	2
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 Xeon E-2478 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-660UE and Xeon E-2478.

PCIe version	2.0	5
PCI Express lanes	16	16

Pros & cons summary

---

Recency	2 August 2010	14 December 2023
Physical cores	2	8
Threads	4	16
Power consumption (TDP)	18 Watt	80 Watt

---

Should you still have questions on choice between Core i7-660UE and Xeon E-2478, 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.

---