Celeron J4125 vs Pentium D 820

Primary details

Comparing Pentium D 820 and Celeron J4125 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1982
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	5.36
Market segment	Desktop processor	Desktop processor
Series	Pentium D	no data
Power efficiency	no data	17.65
Architecture codename	Smithfield (2005)	Gemini Lake Refresh (2019)
Release date	May 2005 (19 years ago)	4 November 2019 (5 years ago)
Launch price (MSRP)	no data	$107

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium D 820 and Celeron J4125 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	2.8 GHz	2 GHz
Boost clock speed	2.8 GHz	2.7 GHz
Bus rate	800 MHz	no data
L1 cache	28 KB	56 KB (per core)
L2 cache	2 MB	4 MB (shared)
L3 cache	0 KB	4 MB
Chip lithography	90 nm	14 nm
Die size	206 mm2	93 mm2
Maximum core temperature	64 °C	105 °C
Number of transistors	169 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	1.2V-1.4V	no data

Compatibility

Information on Pentium D 820 and Celeron J4125 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	2	1
Socket	PLGA775	FCBGA1090
Power consumption (TDP)	95 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 820 and Celeron J4125. 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 820 and Celeron J4125 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 820 and Celeron J4125 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Celeron J4125. 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	no data	Intel UHD Graphics 600
Max video memory	no data	8 GB
Quick Sync Video	-	+
Graphics max frequency	no data	750 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Pentium D 820 and Celeron J4125 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 820 and Celeron J4125 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 820 and Celeron J4125 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 820 and Celeron J4125.

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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Pros & cons summary

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Physical cores	2	4
Threads	2	4
Chip lithography	90 nm	14 nm
Power consumption (TDP)	95 Watt	10 Watt

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Should you still have questions on choice between Pentium D 820 and Celeron J4125, ask them in Comments section, and we shall answer.

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