Xeon L5638 vs X5570

General info

Comparing Xeon X5570 and Xeon L5638 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1757	1657
Place by popularity	not in top-100	not in top-100
Value for money	2.98	1.73
Market segment	Server	Server
Architecture codename	Gainestown (2009−2010)	Westmere-EP (2010−2011)
Release date	March 2009 (15 years old)	16 March 2010 (14 years old)
Launch price (MSRP)	$49	$90
Current price	$50 (1x MSRP)	$11 (0.1x MSRP)

Xeon X5570 has 72% better value for money than Xeon L5638.

Technical specs

Xeon X5570 and Xeon L5638 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)	6 (Hexa-Core)
Threads	8	12
Base clock speed	2.93 GHz	2 GHz
Boost clock speed	3.33 GHz	2.4 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8 MB (shared)	12 MB (shared)
Chip lithography	45 nm	32 nm
Die size	263 mm2	239 mm2
Maximum core temperature	75 °C	85 °C
Number of transistors	731 million	1,170 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon X5570 and Xeon L5638 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	FCLGA1366	FCLGA1366,LGA1366
Power consumption (TDP)	95 Watt	60 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5570 and Xeon L5638. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon X5570 and Xeon L5638 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5570 and Xeon L5638 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5570 and Xeon L5638. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
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

Peripherals

Specifications and connection of peripherals supported by Xeon X5570 and Xeon L5638.

PCIe version

no data

2.0

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.

L5638 outperforms X5570 by 14% based on our aggregated benchmark results.

---

Advantages and disadvantages

---

Performance score	2.13	2.42
Physical cores	4	6
Threads	8	12
Cost	$49	$90
Chip lithography	45 nm	32 nm
Power consumption (TDP)	95 Watt	60 Watt

---

Should you still have questions on choice between Xeon X5570 and Xeon L5638, ask them in Comments section, and we shall answer.

Vote

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

---