Celeron 877 vs Pentium 3556U

Primary details

Comparing Pentium 3556U and Celeron 877 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2624	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Celeron
Architecture codename	Haswell (2013−2015)	Sandy Bridge (2011−2013)
Release date	1 September 2013 (10 years ago)	1 July 2012 (12 years ago)
Launch price (MSRP)	no data	$86
Current price	no data	$528 (6.1x MSRP)

Detailed specifications

Pentium 3556U and Celeron 877 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	1.4 GHz
Boost clock speed	1.7 GHz	1.4 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	2 MB (shared)	2 MB (shared)
Chip lithography	22 nm	32 nm
Die size	118 mm2	131 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1,400 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Pentium 3556U and Celeron 877 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	FCBGA1023
Power consumption (TDP)	15 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3556U and Celeron 877. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	-
FMA	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
TSX	-	no data
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	-	+
Fast Memory Access	no data	+
AMT	9.5	no data
Matrix Storage	-	no data
Status	Discontinued	Discontinued
HD Audio	+	no data
RST	+	no data

Security technologies

Pentium 3556U and Celeron 877 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3556U and Celeron 877 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3556U and Celeron 877. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21.3 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	Intel® HD Graphics for 2nd Generation Intel® Processors
Quick Sync Video	-	-
Clear Video	+	-
Clear Video HD	-	-
Graphics max frequency	1 GHz	1 GHz

Graphics interfaces

Available interfaces and connections of Pentium 3556U and Celeron 877 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Pentium 3556U and Celeron 877.

PCIe version	2.0	2.0
PCI Express lanes	10	16
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	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.

---

Pros & cons summary

---

Recency	1 September 2013	1 July 2012
Chip lithography	22 nm	32 nm
Power consumption (TDP)	15 Watt	17 Watt

---

Should you still have questions on choice between Pentium 3556U and Celeron 877, 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.

---