Celeron 2950M vs Core 2 Duo E8400

Primary details

Comparing Core 2 Duo E8400 and Celeron 2950M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2538	2490
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.86	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Celeron
Architecture codename	Wolfdale (2008−2010)	Haswell (2013−2015)
Release date	1 January 2008 (16 years ago)	1 September 2013 (10 years ago)
Launch price (MSRP)	no data	$75
Current price	$67	$73 (1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Duo E8400 and Celeron 2950M 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	3 GHz	2 GHz
Boost clock speed	3 GHz	2 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	6 MB (shared)	256K (per core)
L3 cache	0 KB	2 MB (shared)
Chip lithography	45 nm	22 nm
Die size	104 mm2	118 mm2
Maximum core temperature	72 °C	100 °C
Maximum case temperature (TCase)	72 °C	105 °C
Number of transistors	410 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 Duo E8400 and Celeron 2950M 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	LGA775	FCPGA946
Power consumption (TDP)	65 Watt	37 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Celeron 2950M. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
TSX	no data	-
Idle States	+	no data
Thermal Monitoring	+	+
Demand Based Switching	-	no data
FSB parity	-	no data
Status	Discontinued	Discontinued

Security technologies

Core 2 Duo E8400 and Celeron 2950M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Celeron 2950M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Celeron 2950M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	25.6 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel® HD Graphics for 4th Generation Intel® Processors
Graphics max frequency	no data	1.1 GHz

Graphics interfaces

Available interfaces and connections of Core 2 Duo E8400 and Celeron 2950M integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	no data	+
HDMI	no data	+
VGA	no data	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Celeron 2950M.

PCIe version	2.0	2.0
PCI Express lanes	no data	16

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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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 2950M outperforms Core 2 Duo E8400 by 7% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	0.75	0.80
Recency	1 January 2008	1 September 2013
Chip lithography	45 nm	22 nm
Power consumption (TDP)	65 Watt	37 Watt

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Should you still have questions on choice between Core 2 Duo E8400 and Celeron 2950M, ask them in Comments section, and we shall answer.

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