Pentium J2900 vs i5-8400

Place in the ranking	1110	2611
Place by popularity	68	not in top-100
Cost-effectiveness evaluation	4.91	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	Intel Pentium
Power efficiency	8.47	7.48
Architecture codename	Coffee Lake-S (2017−2018)	Bay Trail-D (2013)
Release date	24 September 2017 (7 years ago)	1 November 2013 (11 years ago)
Launch price (MSRP)	$182	$94

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400 and Pentium J2900 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	6	4
Base clock speed	2.8 GHz	2.41 GHz
Boost clock speed	4 GHz	2.66 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	28	no data
L1 cache	384 KB	224 KB
L2 cache	1.5 MB	2 MB
L3 cache	9 MB (shared)	2 MB L2 Cache
Chip lithography	14 nm	22 nm
Die size	149 mm²	no data
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Core i5-8400 and Pentium J2900 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	FCLGA1151	FCBGA1170
Power consumption (TDP)	65 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400 and Pentium J2900. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	-
PAE	no data	36 Bit
FDI	no data	-
RST	no data	-

Security technologies

Core i5-8400 and Pentium J2900 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400 and Pentium J2900 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400 and Pentium J2900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3
Maximum memory size	128 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	21.3 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.05 GHz	896 MHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i5-8400 and Pentium J2900 integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i5-8400 and Pentium J2900 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Core i5-8400 and Pentium J2900 integrated GPUs, sometimes API versions are included.

DirectX	12	11.2
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8400 and Pentium J2900.

PCIe version	3.0	2.0
PCI Express lanes	16	4
USB revision	no data	3.0 and 2.0
Total number of SATA ports	no data	2
Number of USB ports	no data	5

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.

i5-8400 6.04
+637%

Pentium J2900 0.82

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.

i5-8400 9238
+640%

Pentium J2900 1249

Gaming performance

Pros & cons summary

Performance score	6.04	0.82
Recency	24 September 2017	1 November 2013
Physical cores	6	4
Threads	6	4
Chip lithography	14 nm	22 nm
Power consumption (TDP)	65 Watt	10 Watt

i5-8400 has a 636.6% higher aggregate performance score, an age advantage of 3 years, 50% more physical cores and 50% more threads, and a 57.1% more advanced lithography process.

Pentium J2900, on the other hand, has 550% lower power consumption.

The Core i5-8400 is our recommended choice as it beats the Pentium J2900 in performance tests.

Note that Core i5-8400 is a desktop processor while Pentium J2900 is a notebook one.

Should you still have questions on choice between Core i5-8400 and Pentium J2900, ask them in Comments section, and we shall answer.