i7-2649M vs Celeron 847

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3336	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.01	no data
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Core i7
Power efficiency	0.72	no data
Designer	Intel	Intel
Manufacturer	Intel	no data
Architecture codename	Sandy Bridge (2011−2013)	Sandy Bridge (2011−2013)
Release date	19 June 2011 (14 years ago)	3 January 2011 (14 years ago)
Launch price (MSRP)	$134	$346

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Celeron 847 and Core i7-2649M 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	1.1 GHz	2.3 GHz
Boost clock speed	1.1 GHz	3.2 GHz
Bus type	DMI 2.0	DMI 2.0
Bus rate	4 × 5 GT/s	4 × 5 GT/s
Multiplier	11	23
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	2 MB (shared)	4 MB
Chip lithography	32 nm	32 nm
Die size	131 mm2	149 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	504 million	624 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron 847 and Core i7-2649M 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	FCBGA1023	FCBGA1023
Power consumption (TDP)	17 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 847 and Core i7-2649M. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron 847 and Core i7-2649M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 847 and Core i7-2649M are enumerated here.

AMD-V	-	+
VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 847 and Core i7-2649M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	8.01 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare HD Graphics 3000 and HD Graphics (Sandy Bridge)	Intel HD Graphics (Sandy Bridge) (350 - 800 MHz)	Intel HD Graphics 3000
Quick Sync Video	-	+
Clear Video HD	-	+
Graphics max frequency	800 MHz	1.1 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Celeron 847 and Core i7-2649M integrated GPUs.

Number of displays supported	2	2
eDP	+	+
DisplayPort	+	+
HDMI	+	+
SDVO	+	+
CRT	+	+

Peripherals

Specifications and connection of peripherals supported by Celeron 847 and Core i7-2649M.

PCIe version	2.0	2.0
PCI Express lanes	16	16

Pros & cons summary

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Integrated graphics card	0.31	0.57
Recency	19 June 2011	3 January 2011
Threads	2	4
Power consumption (TDP)	17 Watt	25 Watt

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