Celeron 847 vs Xeon X3440

Primary details

Comparing Xeon X3440 and Celeron 847 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2041	3114
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.53	no data
Market segment	Server	Laptop
Series	no data	Intel Celeron
Power efficiency	1.73	1.67
Architecture codename	Lynnfield (2009−2010)	Sandy Bridge (2011−2013)
Release date	8 September 2009 (15 years ago)	19 June 2011 (13 years ago)
Launch price (MSRP)	$215	$134

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon X3440 and Celeron 847 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	8	2
Base clock speed	2.53 GHz	1.1 GHz
Boost clock speed	2.93 GHz	1.1 GHz
Bus type	no data	DMI 2.0
Bus rate	no data	4 × 5 GT/s
Multiplier	no data	11
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	8 MB (shared)	2 MB (shared)
Chip lithography	45 nm	32 nm
Die size	296 mm2	131 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	73 °C	no data
Number of transistors	774 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon X3440 and Celeron 847 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	FCLGA1156,LGA1156	FCBGA1023
Power consumption (TDP)	95 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3440 and Celeron 847. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon X3440 and Celeron 847 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X3440 and Celeron 847 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X3440 and Celeron 847. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	21.335 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel HD Graphics (Sandy Bridge) (350 - 800 MHz)
Graphics max frequency	no data	800 MHz

Graphics interfaces

Available interfaces and connections of Xeon X3440 and Celeron 847 integrated GPUs.

Number of displays supported	no data	2
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
SDVO	no data	+
CRT	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon X3440 and Celeron 847.

PCIe version	2.0	2.0
PCI Express lanes	16	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	1.74	0.30
Recency	8 September 2009	19 June 2011
Physical cores	4	2
Threads	8	2
Chip lithography	45 nm	32 nm
Power consumption (TDP)	95 Watt	17 Watt

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Should you still have questions on choice between Xeon X3440 and Celeron 847, ask them in Comments section, and we shall answer.

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