Xeon 6780E vs Pentium D 820

Primary details

Comparing Pentium D 820 and Xeon 6780E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	Pentium D	no data
Architecture codename	Smithfield (2005)	Sierra Forest (2024)
Release date	May 2005 (19 years ago)	3 June 2024 (less than a year ago)
Launch price (MSRP)	no data	$11,350

Detailed specifications

Pentium D 820 and Xeon 6780E 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)	144
Threads	2	144
Base clock speed	2.8 GHz	2.2 GHz
Boost clock speed	2.8 GHz	3 GHz
Bus rate	800 MHz	no data
L1 cache	28 KB	96 KB (per core)
L2 cache	2 MB	4 MB (per module)
L3 cache	0 KB	108 MB (shared)
Chip lithography	90 nm	5 nm
Die size	206 mm2	no data
Maximum core temperature	64 °C	no data
Maximum case temperature (TCase)	no data	85 °C
Number of transistors	169 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	1.2V-1.4V	no data

Compatibility

Information on Pentium D 820 and Xeon 6780E 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	2	2
Socket	PLGA775	4710
Power consumption (TDP)	95 Watt	330 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 820 and Xeon 6780E. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	-	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
Idle States	+	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Pentium D 820 and Xeon 6780E technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 820 and Xeon 6780E are enumerated here.

VT-d	-	+
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Xeon 6780E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Pentium D 820 and Xeon 6780E.

PCIe version	no data	5.0
PCI Express lanes	no data	88

Pros & cons summary

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Physical cores	2	144
Threads	2	144
Chip lithography	90 nm	5 nm
Power consumption (TDP)	95 Watt	330 Watt

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