Processor 300 vs Celeron U3400

Place in the ranking	3077	1309
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	1.68	9.28
Architecture codename	Westmere (2010−2011)	Raptor Lake-S (2023−2024)
Release date	24 May 2010 (14 years ago)	8 January 2024 (less than a year ago)
Launch price (MSRP)	no data	$82

Detailed specifications

Celeron U3400 and Processor 300 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	4
Base clock speed	1.06 GHz	3.9 GHz
Boost clock speed	0.07 GHz	3.9 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	8	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	1.25 MB (per core)
L3 cache	2 MB	6 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	81 mm²	163 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron U3400 and Processor 300 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	BGA1288	FCLGA1700
Power consumption (TDP)	18 Watt	46 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron U3400 and Processor 300. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Celeron U3400 and Processor 300 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron U3400 and Processor 300 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron U3400 and Processor 300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800	DDR5-4800, DDR4-3200
Maximum memory size	8 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	12.799 GB/s	76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Previous Generation Intel Processors	Intel UHD Graphics 710
Quick Sync Video	-	+
Clear Video	+	no data
Clear Video HD	no data	+
Graphics max frequency	500 MHz	1.45 GHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Celeron U3400 and Processor 300 integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Celeron U3400 and Processor 300 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Celeron U3400 and Processor 300 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Celeron U3400 and Processor 300.

PCIe version	2.0	5.0 and 4.0
PCI Express lanes	16	16

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 U3400 0.32

Processor 300 4.51
+1309%

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 U3400 516

Processor 300 7160
+1288%

Gaming performance

Pros & cons summary

Performance score	0.32	4.51
Integrated graphics card	0.77	2.85
Recency	24 May 2010	8 January 2024
Threads	2	4
Power consumption (TDP)	18 Watt	46 Watt

Celeron U3400 has 155.6% lower power consumption.

Processor 300, on the other hand, has a 1309.4% higher aggregate performance score, 270.1% faster integrated GPU, an age advantage of 13 years, and 100% more threads.

The Processor 300 is our recommended choice as it beats the Celeron U3400 in performance tests.

Be aware that Celeron U3400 is a notebook processor while Processor 300 is a desktop one.

Should you still have questions on choice between Celeron U3400 and Processor 300, ask them in Comments section, and we shall answer.