Xeon X5470 vs X5550

Primary Details

Comparing Xeon X5550 and Xeon X5470 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1834	1864
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	30.53	0.35
Market segment	Server	Server
Architecture codename	Gainestown (2009−2010)	no data
Release date	March 2009 (15 years ago)	1 July 2008 (15 years ago)
Launch price (MSRP)	$62	no data
Current price	$71 (1.1x MSRP)	$208

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Xeon X5550 has 8623% better value for money than Xeon X5470.

Detailed Specifications

Xeon X5550 and Xeon X5470 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)	no data
Threads	8	no data
Base clock speed	2.66 GHz	3.33 GHz
Boost clock speed	3.06 GHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	8 MB (shared)	12 MB L2 Cache
Chip lithography	45 nm	45 nm
Die size	263 mm2	no data
Maximum core temperature	75 °C	63 °C
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	0.85V-1.35V

Compatibility

Information on Xeon X5550 and Xeon X5470 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	no data
Socket	FCLGA1366,PLGA1366	LGA771
Power consumption (TDP)	95 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5550 and Xeon X5470. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	no data	+
Demand Based Switching	+	+
PAE	40 Bit	no data
FSB parity	no data	+
Status	Discontinued	Discontinued

Security technologies

Xeon X5550 and Xeon X5470 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5550 and Xeon X5470 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5550 and Xeon X5470. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	144 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	32 GB/s	no data
ECC memory support	+	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.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

X5550 outperforms X5470 by 4% based on our aggregated benchmark results.

---

Pros & Cons Summary

---

Performance score	1.96	1.89
Power consumption (TDP)	95 Watt	120 Watt

---

Should you still have questions on choice between Xeon X5550 and Xeon X5470, 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.

---