Celeron 1047UE vs Core 2 Quad Q8400

Primary details

Comparing Core 2 Quad Q8400 and Celeron 1047UE processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2165	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.73	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Celeron
Architecture codename	Yorkfield (2007−2009)	Ivy Bridge (2012−2013)
Release date	April 2009 (15 years ago)	20 January 2013 (11 years ago)
Launch price (MSRP)	no data	$134
Current price	$41	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Quad Q8400 and Celeron 1047UE 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.66 GHz	no data
Boost clock speed	2.67 GHz	1.4 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	4 MB (shared)	256K (per core)
L3 cache	0 KB	2 MB (shared)
Chip lithography	45 nm	22 nm
Die size	2x 81 mm2	118 mm2
Maximum core temperature	71 °C	105 °C
Maximum case temperature (TCase)	71 °C	105 °C
Number of transistors	456 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q8400 and Celeron 1047UE 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
Socket	FCLGA775,LGA775	Intel BGA1023
Power consumption (TDP)	95 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Celeron 1047UE. You'll probably need this information if you require some particular technology.

AES-NI	-	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	+
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Core 2 Quad Q8400 and Celeron 1047UE 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 2 Quad Q8400 and Celeron 1047UE are enumerated here.

VT-x

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Celeron 1047UE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics (Ivy Bridge)

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	4	2
Threads	4	2
Chip lithography	45 nm	22 nm
Power consumption (TDP)	95 Watt	17 Watt

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Should you still have questions on choice between Core 2 Quad Q8400 and Celeron 1047UE, ask them in Comments section, and we shall answer.

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