Ryzen 5 PRO 4650U vs i5-8400H

Primary details

Comparing Core i5-8400H and Ryzen 5 PRO 4650U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1255	950
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	AMD Renoir (Ryzen 4000 APU)
Power efficiency	10.12	50.09
Architecture codename	Coffee Lake-H (2018−2019)	Renoir-U PRO (Zen 2) (2020)
Release date	2 April 2018 (6 years ago)	7 May 2020 (4 years ago)
Launch price (MSRP)	$250	no data

Detailed specifications

Core i5-8400H and Ryzen 5 PRO 4650U 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)	6 (Hexa-Core)
Threads	8	12
Base clock speed	2.5 GHz	2.1 GHz
Boost clock speed	4.2 GHz	4 GHz
Bus type	DMI 3.0	PCIe 3.0
Bus rate	4 × 8 GT/s	no data
Multiplier	25	21
L1 cache	256 KB	384 KB
L2 cache	1 MB	3 MB
L3 cache	8 MB	8 MB (shared)
Chip lithography	14 nm	7 nm
Die size	126 mm2	156 mm2
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	9800 Million
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Core i5-8400H and Ryzen 5 PRO 4650U 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	FCBGA1440	FP6
Power consumption (TDP)	45 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400H and Ryzen 5 PRO 4650U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	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
SIPP	+	-

Security technologies

Core i5-8400H and Ryzen 5 PRO 4650U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
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 i5-8400H and Ryzen 5 PRO 4650U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400H and Ryzen 5 PRO 4650U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	64 GB	64 GB
Max memory channels	2	4
Maximum memory bandwidth	42.671 GB/s	68.27 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics 630	AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1500 MHz)
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-8400H and Ryzen 5 PRO 4650U 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 i5-8400H and Ryzen 5 PRO 4650U 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
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i5-8400H and Ryzen 5 PRO 4650U 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 i5-8400H and Ryzen 5 PRO 4650U.

PCIe version	3.0	3.0
PCI Express lanes	16	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.

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Pros & cons summary

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Performance score	4.81	7.94
Integrated graphics card	3.09	6.04
Recency	2 April 2018	7 May 2020
Physical cores	4	6
Threads	8	12
Chip lithography	14 nm	7 nm
Power consumption (TDP)	45 Watt	15 Watt

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Should you still have questions on choice between Core i5-8400H and Ryzen 5 PRO 4650U, ask them in Comments section, and we shall answer.

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