Celeron J3455 vs Pentium G620

Primary details

Comparing Pentium G620 and Celeron J3455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2530	2086
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.43	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Celeron
Architecture codename	Sandy Bridge (2011−2013)	Apollo Lake (2016)
Release date	22 May 2011 (13 years ago)	30 August 2016 (7 years ago)
Launch price (MSRP)	$60	$107
Current price	$73 (1.2x MSRP)	$189 (1.8x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium G620 and Celeron J3455 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	2.6 GHz	1.5 GHz
Boost clock speed	2.6 GHz	2.3 GHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	3 MB (shared)	0 KB
Chip lithography	32 nm	14 nm
Die size	131 mm2	no data
Maximum core temperature	69 °C	105 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Pentium G620 and Celeron J3455 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	FCLGA1155	FCBGA1296
Power consumption (TDP)	65 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G620 and Celeron J3455. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	+
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	no data	-
Smart Response	no data	-
GPIO	no data	+
Smart Connect	no data	-
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Launched
HD Audio	no data	+
RST	no data	-

Security technologies

Pentium G620 and Celeron J3455 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G620 and Celeron J3455 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G620 and Celeron J3455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	17 GB/s	no data
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel HD Graphics 500
Max video memory	no data	8 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	-	+
Graphics max frequency	1.1 GHz	750 MHz
Execution Units	no data	12
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Pentium G620 and Celeron J3455 integrated GPUs.

Number of displays supported	2	3
eDP	no data	+
DisplayPort	no data	+
HDMI	no data	+
MIPI-DSI	no data	+

Graphics API support

APIs supported by Pentium G620 and Celeron J3455 integrated GPUs, sometimes API versions are included.

DirectX	no data	+
OpenGL	no data	+

Peripherals

Specifications and connection of peripherals supported by Pentium G620 and Celeron J3455.

PCIe version	2.0	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.

Celeron J3455 outperforms Pentium G620 by 87% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.78	1.46
Recency	22 May 2011	30 August 2016
Physical cores	2	4
Threads	2	4
Cost	$60	$107
Chip lithography	32 nm	14 nm
Power consumption (TDP)	65 Watt	10 Watt

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Should you still have questions on choice between Pentium G620 and Celeron J3455, ask them in Comments section, and we shall answer.

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