Celeron N2840 vs Pentium 3556U

Place in the ranking	2733	3027
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Celeron
Power efficiency	4.23	5.00
Architecture codename	Haswell (2013−2015)	Bay Trail-M (2013−2014)
Release date	1 September 2013 (11 years ago)	22 May 2014 (10 years ago)

Detailed specifications

Pentium 3556U and Celeron N2840 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	1.7 GHz	2.16 GHz
Boost clock speed	1.7 GHz	2.58 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	56K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	2 MB (shared)	0 KB
Chip lithography	22 nm	22 nm
Die size	118 mm²	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium 3556U and Celeron N2840 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	FCBGA1168	FCBGA1170
Power consumption (TDP)	15 Watt	7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3556U and Celeron N2840. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	-
Smart Response	-	no data
GPIO	+	no data
Smart Connect	+	+
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
HD Audio	+	no data
RST	+	no data

Security technologies

Pentium 3556U and Celeron N2840 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3556U and Celeron N2840 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3556U and Celeron N2840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.32 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 4th Generation Intel Processors	Intel HD Graphics for Intel Atom Processor Z3700 Series
Quick Sync Video	-	+
Clear Video	+	no data
Clear Video HD	-	-
Graphics max frequency	1 GHz	792 MHz

Graphics interfaces

Available interfaces and connections of Pentium 3556U and Celeron N2840 integrated GPUs.

Number of displays supported	3	2
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Peripherals

Specifications and connection of peripherals supported by Pentium 3556U and Celeron N2840.

PCIe version	2.0	2.0
PCI Express lanes	10	4
PCI support	-	no data
USB revision	3.0	3.0 and 2.0
Total number of SATA ports	2	2
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	5
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.

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 3556U 0.67
+81.1%

Celeron N2840 0.37

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 3556U 1061
+80.7%

Celeron N2840 587

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Pentium 3556U 302
+69.7%

Celeron N2840 178

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Pentium 3556U 493
+66%

Celeron N2840 297

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Pentium 3556U 2515
+89%

Celeron N2840 1331

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Pentium 3556U 4854
+91.6%

Celeron N2840 2533

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Pentium 3556U 1939
+28.4%

Celeron N2840 1510

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Pentium 3556U 1
+60.7%

Celeron N2840 1

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Pentium 3556U 126
+65.1%

Celeron N2840 76

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Pentium 3556U 66
+72.4%

Celeron N2840 38

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Pentium 3556U 0.75
+70.5%

Celeron N2840 0.44