Xeon E-2378G vs Pentium D 915

Primary details

Comparing Pentium D 915 and Xeon E-2378G processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	557
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	no data	15.75
Architecture codename	Presler (2005−2007)	Rocket Lake-E (2021)
Release date	23 July 2006 (18 years ago)	8 September 2021 (3 years ago)
Launch price (MSRP)	$74	no data

Detailed specifications

Pentium D 915 and Xeon E-2378G 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)	8 (Octa-Core)
Threads	2	16
Base clock speed	2.8 GHz	2.8 GHz
Boost clock speed	2.8 GHz	5.1 GHz
Bus rate	no data	8 GT/s
L1 cache	16 KB (per core)	64K (per core)
L2 cache	2 MB (per die)	512K (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	65 nm	14 nm
Die size	2x 81 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	63 °C	72 °C
Number of transistors	376 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 915 and Xeon E-2378G 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	LGA775,PLGA775	FCLGA1200
Power consumption (TDP)	95 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 915 and Xeon E-2378G. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Pentium D 915 and Xeon E-2378G technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
MPX	-	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 915 and Xeon E-2378G are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 915 and Xeon E-2378G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-3200
Maximum memory size	no data	128 GB
Max memory channels	no data	2
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	Intel UHD Graphics P750
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.3 GHz
Execution Units	no data	32
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Pentium D 915 and Xeon E-2378G integrated GPUs.

Number of displays supported

no data

1

Graphics image quality

Maximum display resolutions supported by Pentium D 915 and Xeon E-2378G integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2160 @60 Hz
Max resolution over eDP	no data	5120 x 3200 @ 60 Hz
Max resolution over DisplayPort	no data	5120 x 3200 @ 60 Hz

Graphics API support

APIs supported by Pentium D 915 and Xeon E-2378G integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Pentium D 915 and Xeon E-2378G.

PCIe version	no data	4.0
PCI Express lanes	no data	44

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	23 July 2006	8 September 2021
Physical cores	2	8
Threads	2	16
Chip lithography	65 nm	14 nm
Power consumption (TDP)	95 Watt	80 Watt

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Should you still have questions on choice between Pentium D 915 and Xeon E-2378G, ask them in Comments section, and we shall answer.

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