Pentium 2117U vs Celeron B840

Place in the ranking	2803	2768
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Pentium
Power efficiency	1.65	3.56
Architecture codename	Sandy Bridge (2011−2013)	Ivy Bridge (2012−2013)
Release date	1 July 2011 (13 years ago)	1 September 2012 (12 years ago)
Launch price (MSRP)	$86	$134

Detailed specifications

Celeron B840 and Pentium 2117U 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	no data	1.8 GHz
Boost clock speed	1.9 GHz	1.8 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	5 GT/s
Multiplier	19	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	2 MB (shared)	2 MB (shared)
Chip lithography	32 nm	22 nm
Die size	131 mm²	118 mm²
Maximum core temperature	100 °C	105 °C
Number of transistors	504 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron B840 and Pentium 2117U 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	G2 (988B)	FCBGA1023
Power consumption (TDP)	35 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B840 and Pentium 2117U. 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	no data	-
Hyper-Threading Technology	no data	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	no data	-
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Celeron B840 and Pentium 2117U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B840 and Pentium 2117U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B840 and Pentium 2117U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics (Sandy Bridge) (650 - 950 MHz)	Intel HD Graphics for 3rd Generation Intel Processors
Graphics max frequency	no data	1 GHz

Graphics interfaces

Available interfaces and connections of Celeron B840 and Pentium 2117U integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Celeron B840 and Pentium 2117U.

PCIe version	no data	2.0
PCI Express lanes	no data	16

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.

Celeron B840 0.61

Pentium 2117U 0.64
+4.9%

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.

Celeron B840 967

Pentium 2117U 1022
+5.7%

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.

Celeron B840 328
+13.1%

Pentium 2117U 290

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.

Celeron B840 597
+22.3%

Pentium 2117U 488

Gaming performance

Pros & cons summary

Performance score	0.61	0.64
Integrated graphics card	0.34	0.77
Recency	1 July 2011	1 September 2012
Chip lithography	32 nm	22 nm
Power consumption (TDP)	35 Watt	17 Watt

Pentium 2117U has a 4.9% higher aggregate performance score, 126.5% faster integrated GPU, an age advantage of 1 year, a 45.5% more advanced lithography process, and 105.9% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Celeron B840 and Pentium 2117U.

Should you still have questions on choice between Celeron B840 and Pentium 2117U, ask them in Comments section, and we shall answer.