Celeron N4020 vs Pentium D 950

Primary details

Comparing Pentium D 950 and Celeron N4020 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2976	2492
Place by popularity	not in top-100	94
Market segment	Desktop processor	Laptop
Series	no data	Intel Gemini Lake
Power efficiency	0.31	15.30
Architecture codename	Presler (2005−2007)	Gemini Lake Refresh (2019)
Release date	16 January 2006 (18 years ago)	4 November 2019 (5 years ago)
Launch price (MSRP)	$637	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium D 950 and Celeron N4020 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	1.1 GHz
Boost clock speed	3.4 GHz	2.8 GHz
Bus rate	no data	15 MHz
L1 cache	16 KB (per core)	no data
L2 cache	2 MB (per die)	4 MB
L3 cache	0 KB	4 MB
Chip lithography	65 nm	14 nm
Die size	2x 81 mm2	no data
Maximum core temperature	C1+D0=63 °C, B1=69 °C	105 °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 N4020 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	FCBGA1090
Power consumption (TDP)	130 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 950 and Celeron N4020. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	-	+
Smart Response	no data	-
Demand Based Switching	-	no data
PAE	32 Bit	no data
GPIO	no data	+
Turbo Boost Max 3.0	no data	-
FSB parity	-	no data

Security technologies

Pentium D 950 and Celeron N4020 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Secure Key	no data	+
MPX	-	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+
Anti-Theft	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 950 and Celeron N4020 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 N4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	8 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 600
Max video memory	no data	8 GB
Quick Sync Video	-	+
Graphics max frequency	no data	650 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Pentium D 950 and Celeron N4020 integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
MIPI-DSI	no data	+

Graphics image quality

Maximum display resolutions supported by Pentium D 950 and Celeron N4020 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@30Hz
Max resolution over eDP	no data	4096x2160@60Hz
Max resolution over DisplayPort	no data	4096x2160@60Hz

Graphics API support

APIs supported by Pentium D 950 and Celeron N4020 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Pentium D 950 and Celeron N4020.

PCIe version	no data	2.0
PCI Express lanes	no data	6
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	no data	8
Integrated LAN	no data	-
UART	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.

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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	0.97
Recency	16 January 2006	4 November 2019
Chip lithography	65 nm	14 nm
Power consumption (TDP)	130 Watt	6 Watt

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Should you still have questions on choice between Pentium D 950 and Celeron N4020, ask them in Comments section, and we shall answer.

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