Atom Z3740 vs Pentium B940

Primary details

Comparing Pentium B940 and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2802	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	no data
Architecture codename	Sandy Bridge (2011−2013)	Bay Trail-T (2013−2014)
Release date	13 June 2011 (13 years ago)	27 September 2013 (10 years ago)
Launch price (MSRP)	$134	$32

Detailed specifications

Pentium B940 and Atom Z3740 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	2 GHz	1.33 GHz
Boost clock speed	2 GHz	1.86 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	20	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	512K (per core)
L3 cache	2 MB	0 KB
Chip lithography	32 nm	22 nm
Die size	131 mm2	no data
Maximum core temperature	85 °C	90 °C
Number of transistors	504 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium B940 and Atom Z3740 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)	1
Socket	PGA988	UTFCBGA1380
Power consumption (TDP)	35 Watt	2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium B940 and Atom Z3740. 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	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
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	Discontinued

Security technologies

Pentium B940 and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium B940 and Atom Z3740 are enumerated here.

VT-d	-	no data
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium B940 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	4 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	17.1 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video	-	+
Clear Video HD	-	+
Graphics max frequency	1.1 GHz	667 MHz

Graphics interfaces

Available interfaces and connections of Pentium B940 and Atom Z3740 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 Atom Z3740.

PCIe version	2.0	no data
PCI Express lanes	16	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.

---

Pros & cons summary

---

Recency	13 June 2011	27 September 2013
Physical cores	2	4
Threads	2	4
Chip lithography	32 nm	22 nm
Power consumption (TDP)	35 Watt	2 Watt

---

Should you still have questions on choice between Pentium B940 and Atom Z3740, 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.

---