Steam Deck CPU (OLED) vs i5-10400H

Primary details

Comparing Core i5-10400H and Steam Deck CPU (OLED) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1165	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Comet Lake	no data
Power efficiency	11.25	no data
Architecture codename	Comet Lake-H (2020)	Van Gogh (2022−2023)
Release date	2 April 2020 (4 years ago)	9 November 2023 (1 year ago)

Detailed specifications

Core i5-10400H and Steam Deck CPU (OLED) 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)	4 (Quad-Core)
Threads	8	8
Base clock speed	2.6 GHz	2.4 GHz
Boost clock speed	4.6 GHz	3.5 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	6 MB (shared)	4 MB (shared)
Chip lithography	14 nm	6 nm
Die size	no data	131 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	2,400 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Core i5-10400H and Steam Deck CPU (OLED) 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	FCBGA1440	AMD BGA ST1
Power consumption (TDP)	45 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-10400H and Steam Deck CPU (OLED). 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)	+	no data
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Turbo Boost Max 3.0	-	no data
Precision Boost 2	no data	+

Security technologies

Core i5-10400H and Steam Deck CPU (OLED) technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-10400H and Steam Deck CPU (OLED) 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 i5-10400H and Steam Deck CPU (OLED). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	45.8 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 10th Gen Intel® Processors	Radeon Navi II 8CU
Quick Sync Video	+	-
Graphics max frequency	1.1 GHz	no data

Graphics interfaces

Available interfaces and connections of Core i5-10400H and Steam Deck CPU (OLED) 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 i5-10400H and Steam Deck CPU (OLED) integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@30Hz	no data
Max resolution over eDP	4096 x 2304@60Hz	no data
Max resolution over DisplayPort	4096 x 2304@60Hz	no data

Graphics API support

APIs supported by Core i5-10400H and Steam Deck CPU (OLED) 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 i5-10400H and Steam Deck CPU (OLED).

PCIe version	3.0	3.0
PCI Express lanes	16	8

Pros & cons summary

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Recency	2 April 2020	9 November 2023
Chip lithography	14 nm	6 nm
Power consumption (TDP)	45 Watt	15 Watt

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Should you still have questions on choice between Core i5-10400H and Steam Deck CPU (OLED), ask them in Comments section, and we shall answer.

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