Celeron 2957U vs J3455

Place in the ranking	2187	2835
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.16	no data
Market segment	Desktop processor	Laptop
Series	Intel Celeron	Intel Celeron
Power efficiency	13.40	3.40
Architecture codename	Apollo Lake (2014−2016)	Haswell (2013−2015)
Release date	30 August 2016 (8 years ago)	1 January 2014 (10 years ago)
Launch price (MSRP)	$107	$107

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron J3455 and Celeron 2957U 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	1.5 GHz	1.4 GHz
Boost clock speed	2.3 GHz	1.4 GHz
Bus rate	no data	5 GT/s
Multiplier	15	no data
L1 cache	no data	128 KB
L2 cache	2 MB	512 KB
L3 cache	0 KB	2 MB
Chip lithography	14 nm	22 nm
Maximum core temperature	105 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron J3455 and Celeron 2957U 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 (Uniprocessor)	1
Socket	FCBGA1296	FCBGA1168
Power consumption (TDP)	10 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3455 and Celeron 2957U. 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	-	-
Idle States	+	+
Thermal Monitoring	+	+
Smart Response	-	-
GPIO	+	+
Smart Connect	-	+
FDI	no data	-
AMT	no data	9.5
Matrix Storage	no data	-
HD Audio	+	+
RST	-	+

Security technologies

Celeron J3455 and Celeron 2957U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3455 and Celeron 2957U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J3455 and Celeron 2957U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s	DDR3
Maximum memory size	8 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 500	Intel® HD Graphics for 4th Generation Intel® Processors
Max video memory	8 GB	no data
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	no data
Graphics max frequency	750 MHz	1 GHz
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J3455 and Celeron 2957U integrated GPUs.

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

Graphics API support

APIs supported by Celeron J3455 and Celeron 2957U integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J3455 and Celeron 2957U.

PCIe version	2.0	2.0
PCI Express lanes	6	10
PCI support	no data	-
USB revision	2.0/3.0	3.0
Total number of SATA ports	2	2
Max number of SATA 6 Gb/s Ports	2	2
Integrated IDE	no data	-
Number of USB ports	8	4
Integrated LAN	-	-
UART	+	+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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 1.47
+163%

Celeron 2957U 0.56

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Celeron J3455 2256
+164%

Celeron 2957U 855

Gaming performance

Pros & cons summary

Performance score	1.47	0.56
Recency	30 August 2016	1 January 2014
Physical cores	4	2
Threads	4	2
Chip lithography	14 nm	22 nm
Power consumption (TDP)	10 Watt	15 Watt

Celeron J3455 has a 162.5% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, a 57.1% more advanced lithography process, and 50% lower power consumption.

The Celeron J3455 is our recommended choice as it beats the Celeron 2957U in performance tests.

Note that Celeron J3455 is a desktop processor while Celeron 2957U is a notebook one.

Should you still have questions on choice between Celeron J3455 and Celeron 2957U, ask them in Comments section, and we shall answer.