Celeron B800 vs i5-580M

Place in the ranking	2328	2991
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	Intel Celeron
Power efficiency	3.33	1.14
Architecture codename	Arrandale (2010−2011)	Sandy Bridge (2011−2013)
Release date	26 September 2010 (14 years ago)	19 June 2011 (13 years ago)
Launch price (MSRP)	$266	$80

Detailed specifications

Core i5-580M and Celeron B800 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	4	2
Base clock speed	2.66 GHz	no data
Boost clock speed	3.33 GHz	1.5 GHz
Bus type	DMI 1.0	DMI 2.0
Bus rate	1 × 2.5 GT/s	4 × 5 GT/s
Multiplier	20	15
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	3 MB (shared)	2 MB (shared)
Chip lithography	32 nm	32 nm
Die size	81+114 mm²	131 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	382+177 Million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-580M and Celeron B800 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 (Uniprocessor)
Socket	BGA1288,PGA988	G2 (988B)
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-580M and Celeron B800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	-
FMA	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i5-580M and Celeron B800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-580M and Celeron B800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-580M and Celeron B800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	8 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	17.051 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Previous Generation Intel Processors	Intel HD Graphics (Sandy Bridge) (650 - 1000 MHz)
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	766 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i5-580M and Celeron B800 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-580M and Celeron B800.

PCIe version	2.0	no data
PCI Express lanes	16	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.

i5-580M 1.23
+193%

Celeron B800 0.42

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.

i5-580M 1950
+194%

Celeron B800 663

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.

i5-580M 449
+81.8%

Celeron B800 247

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.

i5-580M 831
+99.8%

Celeron B800 416

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.

i5-580M 3519
+84.2%

Celeron B800 1910

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.

i5-580M 7666
+103%

Celeron B800 3779

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.

i5-580M 3174
+107%

Celeron B800 1534