Pentium B940 vs Pentium J4205

Primary details

Comparing Pentium J4205 and Pentium B940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2025	2733
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.40	no data
Market segment	Desktop processor	Laptop
Series	Intel Pentium	Intel Pentium
Architecture codename	Goldmont (2016−2017)	Sandy Bridge (2011−2013)
Release date	30 August 2016 (7 years ago)	19 June 2011 (13 years ago)
Launch price (MSRP)	$161	$134
Current price	$133 (0.8x MSRP)	$131 (1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium J4205 and Pentium B940 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	4	2
Base clock speed	1.5 GHz	2 GHz
Boost clock speed	2.6 GHz	2 GHz
L1 cache	no data	64K (per core)
L2 cache	2 MB	256K (per core)
L3 cache	0 KB	2 MB (shared)
Chip lithography	14 nm	32 nm
Die size	no data	131 mm2
Maximum core temperature	105 °C	85 °C
Number of transistors	no data	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Pentium J4205 and Pentium B940 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	FCBGA1296	PGA988
Power consumption (TDP)	10 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium J4205 and Pentium B940. 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	+
SIPP	-	no data
Smart Response	-	no data
Demand Based Switching	no data	-
GPIO	+	no data
Smart Connect	-	no data
FDI	no data	+
Fast Memory Access	no data	+
Status	Discontinued	Discontinued
HD Audio	+	no data
RST	-	no data

Security technologies

Pentium J4205 and Pentium B940 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium J4205 and Pentium B940 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium J4205 and Pentium B940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s	DDR3
Maximum memory size	8 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	21.3 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 505	Intel® HD Graphics for 2nd Generation Intel® Processors
Max video memory	8 GB	no data
Quick Sync Video	+	-
Clear Video	+	-
Clear Video HD	+	-
Graphics max frequency	800 MHz	1.1 GHz
Execution Units	18	no data
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Pentium J4205 and Pentium B940 integrated GPUs.

Number of displays supported	3	2
eDP	+	+
DisplayPort	+	+
HDMI	+	+
MIPI-DSI	+	no data
SDVO	no data	+
CRT	no data	+

Graphics API support

APIs supported by Pentium J4205 and Pentium B940 integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Pentium J4205 and Pentium B940.

PCIe version	2.0	2.0
PCI Express lanes	6	16
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	no data
Integrated LAN	-	no data
UART	+	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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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 J4205 outperforms Pentium B940 by 185% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.57	0.55
Recency	30 August 2016	19 June 2011
Physical cores	4	2
Threads	4	2
Cost	$161	$134
Chip lithography	14 nm	32 nm
Power consumption (TDP)	10 Watt	35 Watt

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Should you still have questions on choice between Pentium J4205 and Pentium B940, ask them in Comments section, and we shall answer.

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