Xeon E5462 vs E5440

Place in performance ranking	2000	2097
Place by popularity	not in top-100	not in top-100
Value for money	0.38	0.27
Market segment	Server	Server
Release date	1 January 2008 (16 years old)	1 October 2007 (16 years old)
Current price	$113	$125

Value for money

Performance per price, higher is better.

Xeon E5440 has 41% better value for money than Xeon E5462.

Technical specs

Xeon E5440 and Xeon E5462 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.

Base clock speed	2.83 GHz	2.8 GHz
L3 cache	12 MB L2 Cache	12 MB L2 Cache
Chip lithography	45 nm	45 nm
Maximum core temperature	67 °C	67 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.35V	0.85V-1.35V

Compatibility

Information on Xeon E5440 and Xeon E5462 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.

Socket	LGA771	LGA771
Power consumption (TDP)	80 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5440 and Xeon E5462. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	+	+
FSB parity	+	+
Status	Discontinued	Discontinued

Security technologies

Xeon E5440 and Xeon E5462 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5440 and Xeon E5462 are enumerated here.

VT-x	+	+
EPT	-	-

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.

Xeon E5440 1.55
+10.7%

Xeon E5462 1.40

E5440 outperforms E5462 by 11% based on our aggregated benchmark results.

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Xeon E5440 2374
+10.6%

Xeon E5462 2146

E5440 outperforms E5462 by 11% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

Xeon E5440 361

Xeon E5462 396
+9.7%

E5462 outperforms E5440 by 10% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

Xeon E5440 1052

Xeon E5462 1239
+17.8%

E5462 outperforms E5440 by 18% in GeekBench 5 Multi-Core.