Celeron 2955U vs Pentium 997

Place in the ranking	2863	2825
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Celeron
Power efficiency	2.84	3.47
Architecture codename	Sandy Bridge (2011−2013)	Haswell (2013−2015)
Release date	1 September 2012 (12 years ago)	1 September 2013 (11 years ago)
Launch price (MSRP)	$134	no data

Detailed specifications

Pentium 997 and Celeron 2955U 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	1.6 GHz	1.4 GHz
Boost clock speed	1.6 GHz	1.4 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	5 GT/s
Multiplier	16	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	100 °C
Maximum case temperature (TCase)	no data	105 °C
Number of transistors	504 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium 997 and Celeron 2955U 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	FCBGA1023	FCBGA1168
Power consumption (TDP)	17 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 997 and Celeron 2955U. 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
FMA	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	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	no data	9.5
Matrix Storage	no data	-
HD Audio	no data	+
RST	no data	+

Security technologies

Pentium 997 and Celeron 2955U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 997 and Celeron 2955U 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 997 and Celeron 2955U. 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	21.335 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel® HD Graphics for 4th Generation Intel® Processors
Clear Video	no data	+
Graphics max frequency	1 GHz	1 GHz

Graphics interfaces

Available interfaces and connections of Pentium 997 and Celeron 2955U integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Pentium 997 and Celeron 2955U.

PCIe version	2.0	2.0
PCI Express lanes	16	10
PCI support	no data	-
USB revision	no data	3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Integrated IDE	no data	-
Number of USB ports	no data	4
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 997 0.53

Celeron 2955U 0.57
+7.5%

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 997 809

Celeron 2955U 877
+8.4%

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 997 241

Celeron 2955U 266
+10.4%

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 997 425

Celeron 2955U 455
+7.1%

Gaming performance

Pros & cons summary

Performance score	0.53	0.57
Recency	1 September 2012	1 September 2013
Chip lithography	32 nm	22 nm
Power consumption (TDP)	17 Watt	15 Watt

Celeron 2955U has a 7.5% higher aggregate performance score, an age advantage of 1 year, a 45.5% more advanced lithography process, and 13.3% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Pentium 997 and Celeron 2955U.

Should you still have questions on choice between Pentium 997 and Celeron 2955U, ask them in Comments section, and we shall answer.