Steam Deck OLED APU vs Ryzen 9 7940H

Place in the ranking	335	1288
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	Renoir (Ryzen 4000 APU)
Power efficiency	48.78	29.09
Architecture codename	Phoenix (2023−2024)	Van Gogh (Custom) (2023)
Release date	January 2023 (1 year ago)	9 November 2023 (1 year ago)

Detailed specifications

Ryzen 9 7940H 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	8
Base clock speed	4 GHz	2.4 GHz
Boost clock speed	5.2 GHz	3.5 GHz
L1 cache	64K (per core)	256 KB
L2 cache	1 MB (per core)	2 MB
L3 cache	16 MB (shared)	4 MB
Chip lithography	4 nm	6 nm
Die size	178 mm²	no data
Number of transistors	25,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Ryzen 9 7940H 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	FP8	no data
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7940H and Steam Deck OLED APU. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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	+	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7940H and Steam Deck OLED APU are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940H and Steam Deck OLED APU. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR5-5600

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare

AMD Radeon 780M

AMD Radeon Steam Deck 8CU

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7940H and Steam Deck OLED APU.

PCIe version	4.0	no data
PCI Express lanes	20	no data

Gaming performance

Pros & cons summary

Performance score	18.04	4.61
Physical cores	8	4
Threads	16	8
Chip lithography	4 nm	6 nm
Power consumption (TDP)	35 Watt	15 Watt

Ryzen 9 7940H has a 291.3% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 50% more advanced lithography process.

Steam Deck OLED APU, on the other hand, has 133.3% lower power consumption.

The Ryzen 9 7940H is our recommended choice as it beats the Steam Deck OLED APU in performance tests.

Should you still have questions on choice between Ryzen 9 7940H and Steam Deck OLED APU, ask them in Comments section, and we shall answer.