Steam Deck OLED APU vs Ryzen 3 5400U

Place in the ranking	1004	1290
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Cezanne (Zen 3, Ryzen 5000)	Renoir (Ryzen 4000 APU)
Power efficiency	43.97	29.09
Architecture codename	Cezanne-U (Zen 3) (2021)	Van Gogh (Custom) (2023)
Release date	12 January 2021 (3 years ago)	9 November 2023 (1 year ago)

Detailed specifications

Ryzen 3 5400U and Steam Deck OLED APU 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 GHz	3.5 GHz
Multiplier	26	no data
L1 cache	64K (per core)	256 KB
L2 cache	512K (per core)	2 MB
L3 cache	8 MB (shared)	4 MB
Chip lithography	7 nm	6 nm
Die size	180 mm²	no data
Maximum core temperature	105 °C	no data
Number of transistors	10,700 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Ryzen 3 5400U and Steam Deck OLED APU 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	no data
Socket	FP6	no data
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 3 5400U and Steam Deck OLED APU. You'll probably need this information if you require some particular technology.

Instruction set extensions	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	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 3 5400U and Steam Deck OLED APU are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 3 5400U and Steam Deck OLED APU. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
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AMD Radeon RX Vega 6 (Ryzen 4000/5000)

AMD Radeon Steam Deck 8CU

Peripherals

Specifications and connection of peripherals supported by Ryzen 3 5400U and Steam Deck OLED APU.

PCIe version	3.0	no data
PCI Express lanes	8	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.

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.

Ryzen 3 5400U 6.97
+51.2%

Steam Deck OLED APU 4.61