Xeon 5120 vs Celeron B800

Primary details

Comparing Celeron B800 and Xeon 5120 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Celeron	no data
Architecture codename	Sandy Bridge (2011−2013)	Woodcrest (2006)
Release date	19 June 2011 (13 years ago)	June 2006 (18 years ago)
Launch price (MSRP)	$80	$45

Detailed specifications

Celeron B800 and Xeon 5120 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)	2 (Dual-core)
Threads	2	2
Base clock speed	1.5 GHz	1.86 GHz
Boost clock speed	1.5 GHz	1.87 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	15	no data
L1 cache	64K (per core)	0 KB
L2 cache	256K (per core)	4 MB
L3 cache	2 MB (shared)	0 KB
Chip lithography	32 nm	65 nm
Die size	131 mm2	no data
Maximum core temperature	100 °C	65 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	B2=1.0V-1.5V, G0=.85V-1.5V

Compatibility

Information on Celeron B800 and Xeon 5120 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	FCPGA988	LGA771
Power consumption (TDP)	35 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B800 and Xeon 5120. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron B800 and Xeon 5120 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B800 and Xeon 5120 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B800 and Xeon 5120. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B800 and Xeon 5120 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Celeron B800 and Xeon 5120.

PCIe version	2.0	no data
PCI Express lanes	16	no data

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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Pros & cons summary

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Chip lithography	32 nm	65 nm
Power consumption (TDP)	35 Watt	65 Watt

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Should you still have questions on choice between Celeron B800 and Xeon 5120, ask them in Comments section, and we shall answer.

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