Celeron B800 vs Xeon E3-1246 v3

Primary details

Comparing Xeon E3-1246 v3 and Celeron B800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1293	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel Celeron
Power efficiency	5.17	no data
Architecture codename	no data	Sandy Bridge (2011−2013)
Release date	1 April 2014 (10 years ago)	19 June 2011 (13 years ago)
Launch price (MSRP)	no data	$80

Detailed specifications

Xeon E3-1246 v3 and Celeron B800 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	3.5 GHz	1.5 GHz
Boost clock speed	3.9 GHz	1.5 GHz
Bus type	no data	DMI 2.0
Bus rate	5 GT/s	4 × 5 GT/s
Multiplier	no data	15
L1 cache	no data	64K (per core)
L2 cache	no data	256K (per core)
L3 cache	8 MB Intel® Smart Cache	2 MB (shared)
Chip lithography	22 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	no data	100 °C
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1246 v3 and Celeron B800 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	FCLGA1150	FCPGA988
Power consumption (TDP)	84 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1246 v3 and Celeron B800. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E3-1246 v3 and Celeron B800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
Identity Protection	+	-
OS Guard	+	no data
Anti-Theft	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1246 v3 and Celeron B800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1246 v3 and Celeron B800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.335 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® HD Graphics for 2nd Generation Intel® Processors
Max video memory	1.7 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	-
Graphics max frequency	1.2 GHz	1 GHz
Execution Units	20	no data
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Xeon E3-1246 v3 and Celeron B800 integrated GPUs.

Number of displays supported	3	2
eDP	+	+
DisplayPort	+	+
HDMI	+	+
VGA	+	no data
SDVO	no data	+
CRT	no data	+

Graphics image quality

Maximum display resolutions supported by Xeon E3-1246 v3 and Celeron B800 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	2880x1800@60Hz	no data

Graphics API support

APIs supported by Xeon E3-1246 v3 and Celeron B800 integrated GPUs, sometimes API versions are included.

DirectX	11.2	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1246 v3 and Celeron B800.

PCIe version	3.0	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.

---

---

Pros & cons summary

---

Recency	1 April 2014	19 June 2011
Physical cores	4	2
Threads	8	2
Chip lithography	22 nm	32 nm
Power consumption (TDP)	84 Watt	35 Watt

---

Should you still have questions on choice between Xeon E3-1246 v3 and Celeron B800, 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.

---