Ultra 7 256V vs Ryzen 9 5900HX

Place in the ranking	515	623
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	AMD Cezanne (Zen 3, Ryzen 5000)	no data
Power efficiency	29.80	69.69
Architecture codename	Cezanne-H (Zen 3) (2021)	Lunar Lake (2024)
Release date	12 January 2021 (3 years ago)	24 September 2024 (less than a year ago)

Detailed specifications

Ryzen 9 5900HX and Core Ultra 7 256V 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)	8 (Octa-Core)
Threads	16	8
Base clock speed	3.3 GHz	2.2 GHz
Boost clock speed	4.6 GHz	4.8 GHz
Bus rate	no data	37 MHz
Multiplier	33	no data
L1 cache	64K (per core)	192 KB (per core)
L2 cache	512K (per core)	2.5 MB (per core)
L3 cache	16 MB (shared)	12 MB (shared)
Chip lithography	7 nm	3 nm
Die size	156 mm²	no data
Maximum core temperature	105 °C	100 °C
Number of transistors	9,800 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Ryzen 9 5900HX and Core Ultra 7 256V 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	FP6	Intel BGA 2833
Power consumption (TDP)	45 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900HX and Core Ultra 7 256V. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
TSX	-	+

Security technologies

Ryzen 9 5900HX and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900HX and Core Ultra 7 256V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HX and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR4

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz)

Arc 140V

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900HX and Core Ultra 7 256V.

PCIe version	3.0	5.0
PCI Express lanes	no data	4

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 9 5900HX 14.16
+13.2%

Ultra 7 256V 12.51

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.

Ryzen 9 5900HX 22497
+13.2%

Ultra 7 256V 19876