Pentium D 915 vs Core Ultra 7 155H

Primary details

Comparing Core Ultra 7 155H and Pentium D 915 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	383	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Meteor Lake-H	no data
Architecture codename	Meteor Lake-H	Presler (2006−2007)
Release date	14 December 2023 (less than a year ago)	23 July 2006 (17 years ago)
Current price	no data	$35

Detailed specifications

Core Ultra 7 155H and Pentium D 915 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	16 (Hexadeca-Core)	2 (Dual-core)
Threads	22	2
Base clock speed	3.8 GHz	2.8 GHz
Boost clock speed	4.8 GHz	2.8 GHz
L1 cache	112 KB (per core)	16 KB (per core)
L2 cache	2 MB (per core)	2 MB (per die)
L3 cache	24 MB (shared)	0 KB
Chip lithography	7 nm	65 nm
Die size	no data	2x 81 mm2
Maximum core temperature	no data	63 °C
Maximum case temperature (TCase)	no data	63 °C
Number of transistors	no data	376 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	No	No
VID voltage range	no data	1.2V-1.3375V

Compatibility

Information on Core Ultra 7 155H and Pentium D 915 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	FCBGA2049	LGA775,PLGA775
Power consumption (TDP)	28 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Pentium D 915. 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	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	no data	-
Hyper-Threading Technology	+	-
TSX	+	no data
Idle States	no data	+
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	-	no data
Demand Based Switching	no data	-
PAE	no data	32 Bit
Turbo Boost Max 3.0	+	no data
FSB parity	no data	-
Status	Launched	Discontinued

Security technologies

Core Ultra 7 155H and Pentium D 915 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Pentium D 915 are enumerated here.

VT-d	+	-
VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Pentium D 915. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR1, DDR2, DDR3
Maximum memory size	96 GB	no data
Max memory channels	2	no data
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ graphics	On certain motherboards (Chipset feature)
Quick Sync Video	+	no data
Graphics max frequency	2.25 GHz	no data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Pentium D 915 integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Pentium D 915 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)	no data
Max resolution over eDP	3840x2400 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core Ultra 7 155H and Pentium D 915 integrated GPUs, sometimes API versions are included.

DirectX	12.2	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Pentium D 915.

PCIe version	5.0	no data
PCI Express lanes	28	no data
PCI support	5.0 and 4.0	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.

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Pros & cons summary

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Recency	14 December 2023	23 July 2006
Physical cores	16	2
Threads	22	2
Chip lithography	7 nm	65 nm
Power consumption (TDP)	28 Watt	95 Watt

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Should you still have questions on choice between Core Ultra 7 155H and Pentium D 915, ask them in Comments section, and we shall answer.

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