Core Ultra 9 285 vs Core 2 Duo T9400

Primary details

Comparing Core 2 Duo T9400 and Core Ultra 9 285 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2754	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Duo	no data
Power efficiency	1.72	no data
Architecture codename	Penryn (2008−2011)	Arrow Lake-S (2024−2025)
Release date	15 July 2008 (16 years ago)	January 2025
Launch price (MSRP)	$316	no data

Detailed specifications

Core 2 Duo T9400 and Core Ultra 9 285 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	2 (Dual-core)	24 (Tetracosa-Core)
Threads	2	24
Base clock speed	2.53 GHz	2.5 GHz
Boost clock speed	2.53 GHz	5.6 GHz
Bus rate	1066 MHz	no data
L1 cache	128 KB	112 KB (per core)
L2 cache	6 MB	3 MB (per core)
L3 cache	6 MB L2 Cache	36 MB (shared)
Chip lithography	45 nm	3 nm
Die size	107 mm2	243 mm2
Maximum core temperature	105 °C	no data
Number of transistors	410 Million	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	1.05V-1.162V	no data

Compatibility

Information on Core 2 Duo T9400 and Core Ultra 9 285 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	no data	1
Socket	BGA479,BGA956,PBGA479,PGA478	1851
Power consumption (TDP)	35 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9400 and Core Ultra 9 285. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
Idle States	-	no data
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo T9400 and Core Ultra 9 285 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9400 and Core Ultra 9 285 are enumerated here.

VT-d	no data	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9400 and Core Ultra 9 285. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR5 Depends on motherboard

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Arc Xe2 Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T9400 and Core Ultra 9 285.

PCIe version	no data	5.0
PCI Express lanes	no data	20

Pros & cons summary

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Physical cores	2	24
Threads	2	24
Chip lithography	45 nm	3 nm
Power consumption (TDP)	35 Watt	125 Watt

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