Xeon E5-2689A v4 vs Pentium B940

Primary details

Comparing Pentium B940 and Xeon E5-2689A v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2809	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Pentium	Intel Xeon E5
Architecture codename	Sandy Bridge (2011−2013)	Broadwell (2014−2019)
Release date	13 June 2011 (13 years ago)	20 June 2016 (8 years ago)
Launch price (MSRP)	$134	no data

Detailed specifications

Pentium B940 and Xeon E5-2689A 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	2 GHz	no data
Boost clock speed	2 GHz	3.4 GHz
Bus type	DMI 2.0	QPI
Bus rate	4 × 5 GT/s	2 × 9.6 GT/s
Multiplier	20	34
L1 cache	128 KB	no data
L2 cache	512 KB	2 MB
L3 cache	2 MB	20 MB
Chip lithography	32 nm	14 nm
Die size	131 mm2	246.24 mm2
Maximum core temperature	85 °C	no data
Number of transistors	504 Million	3200 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium B940 and Xeon E5-2689A 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	1 (Uniprocessor)	2 (Multiprocessor)
Socket	PGA988	no data
Power consumption (TDP)	35 Watt	145 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium B940 and Xeon E5-2689A v4. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium B940 and Xeon E5-2689A v4 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium B940 and Xeon E5-2689A v4 are enumerated here.

VT-d	-	no data
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium B940 and Xeon E5-2689A v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	1,536 GB
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	1.1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium B940 and Xeon E5-2689A v4 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 Pentium B940 and Xeon E5-2689A v4.

PCIe version	2.0	3.0
PCI Express lanes	16	40

Pros & cons summary

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Recency	13 June 2011	20 June 2016
Physical cores	2	8
Threads	2	16
Chip lithography	32 nm	14 nm
Power consumption (TDP)	35 Watt	145 Watt

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Should you still have questions on choice between Pentium B940 and Xeon E5-2689A v4, ask them in Comments section, and we shall answer.

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