AMD Opteron 6344 vs Intel Xeon E5540

Comparative analysis of AMD Opteron 6344 and Intel Xeon E5540 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Opteron 6344

Intel Xeon E5540

Differences

Reasons to consider the AMD Opteron 6344

8 more cores, run more applications at once: 12 vs 4
4 more threads: 12 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
12x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 83% better performance in PassMark - CPU mark: 9023 vs 4935

Specifications (specs)
Number of cores	12 vs 4
Number of threads	12 vs 8
Manufacturing process technology	32 nm vs 45 nm
L1 cache	576 KB vs 64 KB (per core)
L2 cache	12 MB vs 256 KB (per core)
L3 cache	16 MB vs 8192 KB (shared)
Benchmarks
PassMark - CPU mark	9023 vs 4935

Reasons to consider the Intel Xeon E5540

Around 40% higher clock speed: 2.80 GHz vs 2 GHz
Around 8% higher maximum core temperature: 76°C vs 70.40°C
Around 44% lower typical power consumption: 80 Watt vs 115 Watt
Around 68% better performance in PassMark - Single thread mark: 1128 vs 672

Specifications (specs)
Maximum frequency	2.80 GHz vs 2 GHz
Maximum core temperature	76°C vs 70.40°C
Thermal Design Power (TDP)	80 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1128 vs 672

Compare benchmarks

CPU 1: AMD Opteron 6344
CPU 2: Intel Xeon E5540

PassMark - Single thread mark

CPU 1

CPU 2

672

1128

PassMark - CPU mark

CPU 1

CPU 2

9023

4935

Name	AMD Opteron 6344	Intel Xeon E5540
PassMark - Single thread mark	672	1128
PassMark - CPU mark	9023	4935
Geekbench 4 - Single Core		383
Geekbench 4 - Multi-Core		1596

Compare specifications (specs)

	AMD Opteron 6344	Intel Xeon E5540
Essentials
Family	AMD Opteron
OPN Tray	OS6344WKTCGHK
Place in performance rating	2442	2450
Series	AMD Opteron 6300 Series Processor	Legacy Intel® Xeon® Processors
Vertical segment	Server	Server
Architecture codename		Nehalem EP
Launch date		March 2009
Launch price (MSRP)		$30
Price now		$35
Processor Number		E5540
Status		Launched
Value for money (0-100)		40.05
Performance
Base frequency	2.6 GHz	2.53 GHz
L1 cache	576 KB	64 KB (per core)
L2 cache	12 MB	256 KB (per core)
L3 cache	16 MB	8192 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	70.40°C	76°C
Maximum frequency	2 GHz	2.80 GHz
Number of cores	12	4
Number of threads	12	8
Unlocked
64 bit support
Bus Speed		5.86 GT/s QPI
Die size		263 mm2
Number of QPI Links		2
Transistor count		731 million
VID voltage range		0.75V -1.35V
Memory
Supported memory frequency	2000 MHz
Supported memory types	DDR3	DDR3 800/1066
ECC memory support
Max memory channels		3
Maximum memory bandwidth		25.6 GB/s
Maximum memory size		144 GB
Compatibility
Sockets supported	G34	FCLGA1366
Thermal Design Power (TDP)	115 Watt	80 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
Package Size		42.5mm x 45mm
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)