Mobile Sempron SI-42 vs Pentium 997

Place in the ranking	2869	3193
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	AMD Mobile Sempron
Power efficiency	2.84	0.83
Architecture codename	Sandy Bridge (2011−2013)	Sable (2008−2009)
Release date	1 September 2012 (12 years ago)	1 September 2009 (15 years ago)
Launch price (MSRP)	$134	no data

Detailed specifications

Pentium 997 and Mobile Sempron SI-42 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)	1 (Single-Core)
Threads	2	1
Base clock speed	1.6 GHz	no data
Boost clock speed	1.6 GHz	2.1 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	1800 MHz
Multiplier	16	no data
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	2 MB (shared)	no data
Chip lithography	32 nm	65 nm
Die size	131 mm²	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium 997 and Mobile Sempron SI-42 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	FCBGA1023	S1g2
Power consumption (TDP)	17 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 997 and Mobile Sempron SI-42. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	65 nm, 1.075 - 1.125
FMA	+	-
Enhanced SpeedStep (EIST)	+	no data
My WiFi	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Pentium 997 and Mobile Sempron SI-42 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 997 and Mobile Sempron SI-42 are enumerated here.

VT-d	-	no data
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 997 and Mobile Sempron SI-42. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 2nd Generation Intel Processors	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium 997 and Mobile Sempron SI-42 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Pentium 997 and Mobile Sempron SI-42.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Gaming performance

Pros & cons summary

Performance score	0.51	0.22
Recency	1 September 2012	1 September 2009
Physical cores	2	1
Threads	2	1
Chip lithography	32 nm	65 nm
Power consumption (TDP)	17 Watt	25 Watt

Pentium 997 has a 131.8% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 100% more threads, a 103.1% more advanced lithography process, and 47.1% lower power consumption.

The Pentium 997 is our recommended choice as it beats the Mobile Sempron SI-42 in performance tests.

Should you still have questions on choice between Pentium 997 and Mobile Sempron SI-42, ask them in Comments section, and we shall answer.