Pentium B950 vs Pentium E5800

Primary Details

Comparing Pentium E5800 and Pentium B950 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2522	2626
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	5.38	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Pentium
Architecture codename	Wolfdale (2008−2010)	Sandy Bridge (2011−2013)
Release date	28 November 2010 (13 years ago)	19 June 2011 (12 years ago)
Launch price (MSRP)	$68	$134
Current price	$67 (1x MSRP)	$90 (0.7x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Detailed Specifications

Pentium E5800 and Pentium B950 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	3.2 GHz	2.1 GHz
Boost clock speed	3.2 GHz	2.1 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	2 MB (shared)	256K (per core)
L3 cache	0 KB	2 MB (shared)
Chip lithography	45 nm	32 nm
Die size	82 mm2	131 mm2
Maximum core temperature	74 °C	85 °C
Number of transistors	228 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Pentium E5800 and Pentium B950 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
Socket	LGA775	PGA988
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium E5800 and Pentium B950. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	-
FMA	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	-
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	+
Status	Discontinued	Discontinued

Security technologies

Pentium E5800 and Pentium B950 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 Pentium E5800 and Pentium B950 are enumerated here.

VT-d	-	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium E5800 and Pentium B950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	16 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21.3 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequency	no data	1.1 GHz

Graphics interfaces

Available interfaces and connections of Pentium E5800 and Pentium B950 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Pentium E5800 and Pentium B950.

PCIe version	2.0	2.0
PCI Express lanes	no data	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.

Pentium E5800 outperforms Pentium B950 by 17% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	0.76	0.65
Recency	28 November 2010	19 June 2011
Cost	$68	$134
Chip lithography	45 nm	32 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Pentium E5800 and Pentium B950, ask them in Comments section, and we shall answer.

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