Processor 300 vs i5-8257U

Place in the ranking	1281	1320
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i5	no data
Power efficiency	29.65	9.28
Architecture codename	Coffee Lake-U (2018−2019)	Raptor Lake-S (2023−2024)
Release date	10 July 2019 (5 years ago)	8 January 2024 (less than a year ago)
Launch price (MSRP)	no data	$82

Detailed specifications

Core i5-8257U 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	4 (Quad-Core)	2 (Dual-core)
Threads	8	4
Base clock speed	1.4 GHz	3.9 GHz
Boost clock speed	3.9 GHz	3.9 GHz
Bus rate	4 GT/s	no data
L1 cache	256 KB	80 KB (per core)
L2 cache	1 MB	1.25 MB (per core)
L3 cache	6 MB	6 MB (shared)
Chip lithography	14 nm	10 nm
Die size	no data	163 mm²
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i5-8257U 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	1
Socket	FCBGA1528	1700
Power consumption (TDP)	15 Watt	46 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8257U and Processor 300. 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	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
Speed Shift	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data

Security technologies

Core i5-8257U and Processor 300 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8257U and Processor 300 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 i5-8257U and Processor 300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4, DDR5
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	37.5 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Plus Graphics 645	Intel UHD Graphics 710
Max video memory	32 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.05 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-8257U and Processor 300 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-8257U and Processor 300 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@30Hz	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 i5-8257U and Processor 300 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8257U and Processor 300.

PCIe version	3.0	5.0
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.

i5-8257U 4.70
+4.2%

Processor 300 4.51

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.

i5-8257U 7466
+4.3%

Processor 300 7160

Gaming performance

Pros & cons summary

Performance score	4.70	4.51
Integrated graphics card	4.45	2.86
Recency	10 July 2019	8 January 2024
Physical cores	4	2
Threads	8	4
Chip lithography	14 nm	10 nm
Power consumption (TDP)	15 Watt	46 Watt

i5-8257U has a 4.2% higher aggregate performance score, 55.6% faster integrated GPU, 100% more physical cores and 100% more threads, and 206.7% lower power consumption.

Processor 300, on the other hand, has an age advantage of 4 years, and a 40% more advanced lithography process.

Given the minimal performance differences, no clear winner can be declared between Core i5-8257U and Processor 300.

Be aware that Core i5-8257U is a notebook processor while Processor 300 is a desktop one.

Should you still have questions on choice between Core i5-8257U and Processor 300, ask them in Comments section, and we shall answer.