Pentium D 840 vs Xeon W3530

Primary details

Comparing Xeon W3530 and Pentium D 840 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1950	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.14	no data
Market segment	Server	Desktop processor
Power efficiency	1.40	no data
Architecture codename	Bloomfield (2008−2010)	Smithfield (2005)
Release date	16 March 2010 (14 years ago)	May 2005 (19 years ago)
Launch price (MSRP)	$999	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W3530 and Pentium D 840 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	4 (Quad-Core)	2 (Dual-core)
Threads	8	2
Base clock speed	2.8 GHz	3.2 GHz
Boost clock speed	3.06 GHz	3.2 GHz
L1 cache	64 KB (per core)	28 KB
L2 cache	256 KB (per core)	2 MB
L3 cache	8 MB (shared)	0 KB
Chip lithography	45 nm	90 nm
Die size	263 mm2	206 mm2
Maximum core temperature	68 °C	70 °C
Number of transistors	731 million	169 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1.2V-1.4V

Compatibility

Information on Xeon W3530 and Pentium D 840 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	2
Socket	FCLGA1366	PLGA775
Power consumption (TDP)	130 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3530 and Pentium D 840. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Demand Based Switching	+	-
PAE	36 Bit	32 Bit
FSB parity	no data	-

Security technologies

Xeon W3530 and Pentium D 840 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3530 and Pentium D 840 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3530 and Pentium D 840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	24 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon W3530 and Pentium D 840.

PCIe version

2.0

no data

Pros & cons summary

---

Physical cores	4	2
Threads	8	2
Chip lithography	45 nm	90 nm

---

Should you still have questions on choice between Xeon W3530 and Pentium D 840, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---