Pentium J2900 vs i5-2557M

Primary details

Comparing Core i5-2557M and Pentium J2900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2407	2616
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Pentium
Power efficiency	6.01	7.48
Architecture codename	Sandy Bridge (2011−2013)	Bay Trail-D (2013)
Release date	1 June 2011 (13 years ago)	1 November 2013 (11 years ago)
Launch price (MSRP)	$250	$94

Detailed specifications

Core i5-2557M and Pentium J2900 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	4	4
Base clock speed	1.7 GHz	2.41 GHz
Boost clock speed	2.7 GHz	2.66 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	17	no data
L1 cache	64K (per core)	224 KB
L2 cache	256K (per core)	2 MB
L3 cache	3 MB (shared)	2 MB L2 Cache
Chip lithography	32 nm	22 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	105 °C
Number of transistors	624 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-2557M and Pentium J2900 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	FCBGA1023	FCBGA1170
Power consumption (TDP)	17 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2557M and Pentium J2900. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	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	-	no data
PAE	no data	36 Bit
FDI	+	-
Fast Memory Access	+	no data
RST	no data	-

Security technologies

Core i5-2557M and Pentium J2900 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2557M and Pentium J2900 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2557M and Pentium J2900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	8.01 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	21.3 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	896 MHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i5-2557M and Pentium J2900 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 Core i5-2557M and Pentium J2900 integrated GPUs, sometimes API versions are included.

DirectX

no data

11.2

Peripherals

Specifications and connection of peripherals supported by Core i5-2557M and Pentium J2900.

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

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.

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Pros & cons summary

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Performance score	1.08	0.79
Recency	1 June 2011	1 November 2013
Physical cores	2	4
Chip lithography	32 nm	22 nm
Power consumption (TDP)	17 Watt	10 Watt

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Should you still have questions on choice between Core i5-2557M and Pentium J2900, ask them in Comments section, and we shall answer.

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