Atom 330 vs Celeron 2955U

Place in the ranking	2844	3189
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Atom
Power efficiency	3.47	2.72
Architecture codename	Haswell (2013−2015)	Diamondville (2008−2009)
Release date	1 September 2013 (11 years ago)	2 April 2008 (16 years ago)
Launch price (MSRP)	no data	$43

Detailed specifications

Celeron 2955U and Atom 330 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	4
Base clock speed	1.4 GHz	1.6 GHz
Boost clock speed	1.4 GHz	0.1 GHz
Bus type	no data	FSB
Bus rate	5 GT/s	533.33 MT/s
Multiplier	no data	12
L1 cache	64K (per core)	112 KB
L2 cache	256K (per core)	1 MB
L3 cache	2 MB (shared)	0 KB
Chip lithography	22 nm	45 nm
Die size	118 mm²	51.9276 mm²
Maximum core temperature	100 °C	85 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1,400 million	94 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	0.9V-1.1625V

Compatibility

Information on Celeron 2955U and Atom 330 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 (Uniprocessor)
Socket	FCBGA1168	PBGA437
Power consumption (TDP)	15 Watt	8 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2955U and Atom 330. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)	+	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
Demand Based Switching	no data	-
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
FSB parity	no data	-
HD Audio	+	no data
RST	+	no data

Security technologies

Celeron 2955U and Atom 330 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2955U and Atom 330 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2955U and Atom 330. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	8 GB
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 4th Generation Intel Processors	-
Clear Video	+	-
Graphics max frequency	1 GHz	-

Graphics interfaces

Available interfaces and connections of Celeron 2955U and Atom 330 integrated GPUs.

Number of displays supported	3	-
eDP	+	-
DisplayPort	+	-
HDMI	+	-

Peripherals

Specifications and connection of peripherals supported by Celeron 2955U and Atom 330.

PCIe version	2.0	no data
PCI Express lanes	10	no data
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.

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 2955U 0.55
+139%

Atom 330 0.23

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 2955U 880
+142%

Atom 330 363

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Celeron 2955U 2069
+282%

Atom 330 542

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Celeron 2955U 4000
+161%

Atom 330 1530

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 2955U 1520
+84.4%

Atom 330 825

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Celeron 2955U 53.2
+119%

Atom 330 116.45