Xeon E3-1284L v4 vs E5-2660

Primary details

Comparing Xeon E5-2660 and Xeon E3-1284L v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1198	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.78	no data
Market segment	Server	Server
Power efficiency	5.12	no data
Architecture codename	Sandy Bridge-EP (2012)	Broadwell-DT (2015)
Release date	6 March 2012 (12 years ago)	2 June 2015 (9 years ago)
Launch price (MSRP)	$85	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2660 and Xeon E3-1284L v4 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	8
Base clock speed	2.2 GHz	2.9 GHz
Boost clock speed	3 GHz	3.8 GHz
Bus rate	8 GT/s	5 GT/s
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	20480 KB (shared)	6 MB (shared)
Chip lithography	32 nm	14 nm
Die size	435 mm2	182 mm2
Maximum core temperature	73 °C	no data
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2660 and Xeon E3-1284L v4 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	2	1
Socket	FCLGA2011	1150
Power consumption (TDP)	95 Watt	47 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2660 and Xeon E3-1284L v4. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	no data	128 MB
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
FDI	no data	+

Security technologies

Xeon E5-2660 and Xeon E3-1284L v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2660 and Xeon E3-1284L v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2660 and Xeon E3-1284L v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3L-1333, DDR3L-1600, DDR3L-1866
Maximum memory size	384 GB	32 GB
Max memory channels	4	2
Maximum memory bandwidth	51.2 GB/s	29.8 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel Iris Pro P6300
Max video memory	no data	16 GB
Quick Sync Video	-	+
Clear Video	no data	+
Graphics max frequency	no data	1.15 GHz

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2660 and Xeon E3-1284L v4.

PCIe version	3.0	3.0
PCI Express lanes	40	16

Pros & cons summary

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Recency	6 March 2012	2 June 2015
Physical cores	8	4
Threads	16	8
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	47 Watt

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