Pentium B940 vs Pentium J2900

Place in the ranking	2632	2849
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Pentium
Power efficiency	7.48	1.46
Architecture codename	Bay Trail-D (2013)	Sandy Bridge (2011−2013)
Release date	1 November 2013 (11 years ago)	19 June 2011 (13 years ago)
Launch price (MSRP)	$94	$134

Detailed specifications

Pentium J2900 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	2.41 GHz	2 GHz
Boost clock speed	2.66 GHz	2 GHz
Bus type	no data	DMI 2.0
Bus rate	no data	4 × 5 GT/s
Multiplier	no data	20
L1 cache	224 KB	64K (per core)
L2 cache	2 MB	256K (per core)
L3 cache	2 MB L2 Cache	2 MB (shared)
Chip lithography	22 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	-	-

Compatibility

Information on Pentium J2900 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 (Uniprocessor)
Socket	FCBGA1170	PGA988
Power consumption (TDP)	10 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium J2900 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
FMA	-	+
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	no data	-
PAE	36 Bit	no data
FDI	-	+
Fast Memory Access	no data	+
RST	-	no data

Security technologies

Pentium J2900 and Pentium B940 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium J2900 and Pentium B940 are enumerated here.

VT-d	-	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium J2900 and Pentium B940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	8 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for Intel Atom Processor Z3700 Series	Intel HD Graphics for 2nd Generation Intel Processors
Quick Sync Video	+	-
Graphics max frequency	896 MHz	1.1 GHz
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Pentium J2900 and Pentium B940 integrated GPUs.

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

Graphics API support

APIs supported by Pentium J2900 and Pentium B940 integrated GPUs, sometimes API versions are included.

DirectX

11.2

no data

Peripherals

Specifications and connection of peripherals supported by Pentium J2900 and Pentium B940.

PCIe version	2.0	2.0
PCI Express lanes	4	16
USB revision	3.0 and 2.0	no data
Total number of SATA ports	2	no data
Number of USB ports	5	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.

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 J2900 0.79
+46.3%

Pentium B940 0.54

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium J2900 1250
+44.5%

Pentium B940 865

Gaming performance

Pros & cons summary

Performance score	0.79	0.54
Recency	1 November 2013	19 June 2011
Physical cores	4	2
Threads	4	2
Chip lithography	22 nm	32 nm
Power consumption (TDP)	10 Watt	35 Watt

Pentium J2900 has a 46.3% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, a 45.5% more advanced lithography process, and 250% lower power consumption.

The Pentium J2900 is our recommended choice as it beats the Pentium B940 in performance tests.

Should you still have questions on choice between Pentium J2900 and Pentium B940, ask them in Comments section, and we shall answer.