Celeron 6305 vs Pentium D 950

Primary details

Comparing Pentium D 950 and Celeron 6305 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2959	2260
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Tiger Lake
Power efficiency	0.31	8.26
Architecture codename	Presler (2005−2007)	Tiger Lake-U (2020)
Release date	16 January 2006 (18 years ago)	1 September 2020 (4 years ago)
Launch price (MSRP)	$637	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium D 950 and Celeron 6305 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	3.4 GHz	no data
Boost clock speed	3.4 GHz	1.8 GHz
Bus rate	no data	4 GT/s
L1 cache	16 KB (per core)	160 KB
L2 cache	2 MB (per die)	2.5 MB
L3 cache	0 KB	4 MB
Chip lithography	65 nm	10 nm SuperFin
Die size	2x 81 mm2	no data
Maximum core temperature	C1+D0=63 °C, B1=69 °C	100 °C
Number of transistors	376 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 950 and Celeron 6305 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,PLGA775	FCBGA1449
Power consumption (TDP)	130 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 950 and Celeron 6305. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Pentium D 950 and Celeron 6305 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	no data
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 950 and Celeron 6305 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 950 and Celeron 6305. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	64 GB
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.25 GHz
Execution Units	no data	48

Graphics interfaces

Available interfaces and connections of Pentium D 950 and Celeron 6305 integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Pentium D 950 and Celeron 6305 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Pentium D 950 and Celeron 6305 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

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.

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Pros & cons summary

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Performance score	0.43	1.31
Recency	16 January 2006	1 September 2020
Chip lithography	65 nm	10 nm
Power consumption (TDP)	130 Watt	15 Watt

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Should you still have questions on choice between Pentium D 950 and Celeron 6305, ask them in Comments section, and we shall answer.

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