Intel Xeon X3440 vs AMD Opteron 148

Comparative analysis of Intel Xeon X3440 and AMD Opteron 148 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon X3440

AMD Opteron 148

Differences

Reasons to consider the Intel Xeon X3440

CPU is newer: launch date 5 year(s) 10 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 33% higher clock speed: 2.93 GHz vs 2.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later

Launch date	8 September 2009 vs November 2003
Number of cores	4 vs 1
Maximum frequency	2.93 GHz vs 2.2 GHz
Manufacturing process technology	45 nm vs 130 nm
L1 cache	256 KB vs 128 KB

Reasons to consider the AMD Opteron 148

Around 7% lower typical power consumption: 89 Watt vs 95 Watt

Thermal Design Power (TDP)	89 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Xeon X3440
CPU 2: AMD Opteron 148

Name	Intel Xeon X3440	AMD Opteron 148
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.062
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	54.918
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.33
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.597
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.562
PassMark - Single thread mark		443
PassMark - CPU mark		392

Compare specifications (specs)

	Intel Xeon X3440	AMD Opteron 148
Essentials
Architecture codename	Lynnfield	SledgeHammer
Launch date	8 September 2009	November 2003
Launch price (MSRP)	$215
Place in performance rating	3136	3083
Processor Number	X3440
Status	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.53 GHz
Bus Speed	2.5 GT/s DMI
Die size	296 mm2	193 mm
L1 cache	256 KB	128 KB
L2 cache	1 MB	1024 KB
L3 cache	8 MB
Manufacturing process technology	45 nm	130 nm
Maximum case temperature (TCase)	72.7 °C
Maximum frequency	2.93 GHz	2.2 GHz
Number of cores	4	1
Number of threads	8
Transistor count	774 million	106 million
VID voltage range	0.65V - 1.4V
Memory
ECC memory support
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	LGA1156	940
Thermal Design Power (TDP)	95 Watt	89 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16, 2x8, 4x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)