Mobile Sempron SI-40 vs Celeron N3450

Place in the ranking	2311	3239
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	AMD Mobile Sempron
Power efficiency	19.72	0.76
Architecture codename	Apollo Lake (2014−2016)	Sable (2008−2009)
Release date	30 August 2016 (8 years ago)	4 July 2008 (16 years ago)
Launch price (MSRP)	$107	no data

Detailed specifications

Celeron N3450 and Mobile Sempron SI-40 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	4 (Quad-Core)	1 (Single-Core)
Threads	4	1
Base clock speed	1.1 GHz	no data
Boost clock speed	2.2 GHz	2 GHz
Bus rate	no data	1800 MHz
Multiplier	11	no data
L2 cache	2 MB	512 KB
L3 cache	0 KB	no data
Chip lithography	14 nm	65 nm
Maximum core temperature	105 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron N3450 and Mobile Sempron SI-40 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)	no data
Socket	FCBGA1296	S1g2
Power consumption (TDP)	6 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N3450 and Mobile Sempron SI-40. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	65 nm, 1.075 - 1.125V
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
GPIO	+	no data
Smart Connect	-	no data
HD Audio	+	no data
RST	-	no data

Security technologies

Celeron N3450 and Mobile Sempron SI-40 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N3450 and Mobile Sempron SI-40 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N3450 and Mobile Sempron SI-40. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	no data
Maximum memory size	8 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 500	no data
Max video memory	8 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	700 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron N3450 and Mobile Sempron SI-40 integrated GPUs.

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

Graphics API support

APIs supported by Celeron N3450 and Mobile Sempron SI-40 integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron N3450 and Mobile Sempron SI-40.

PCIe version	2.0	no data
PCI Express lanes	6	no data
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	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.

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 N3450 1.25
+525%

Mobile Sempron SI-40 0.20

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.

Celeron N3450 2576
+234%

Mobile Sempron SI-40 772

Gaming performance

Pros & cons summary

Performance score	1.25	0.20
Recency	30 August 2016	4 July 2008
Physical cores	4	1
Threads	4	1
Chip lithography	14 nm	65 nm
Power consumption (TDP)	6 Watt	25 Watt

Celeron N3450 has a 525% higher aggregate performance score, an age advantage of 8 years, 300% more physical cores and 300% more threads, a 364.3% more advanced lithography process, and 316.7% lower power consumption.

The Celeron N3450 is our recommended choice as it beats the Mobile Sempron SI-40 in performance tests.

Should you still have questions on choice between Celeron N3450 and Mobile Sempron SI-40, ask them in Comments section, and we shall answer.