Intel Xeon E7450 vs AMD Opteron 6281

Comparative analysis of Intel Xeon E7450 and AMD Opteron 6281 processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E7450

AMD Opteron 6281

Differences

Reasons to consider the Intel Xeon E7450

Around 44% lower typical power consumption: 90 Watt vs 130 Watt
Around 36% better performance in PassMark - CPU mark: 9932 vs 7279

Specifications (specs)
Thermal Design Power (TDP)	90 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark	9932 vs 7279

Reasons to consider the AMD Opteron 6281

10 more cores, run more applications at once: 16 vs 6
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
699050.7x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 11% better performance in PassMark - Single thread mark: 1129 vs 1018

Specifications (specs)
Number of cores	16 vs 6
Manufacturing process technology	32 nm vs 45 nm
L3 cache	8 MB vs 12 MB L3 Cache
Benchmarks
PassMark - Single thread mark	1129 vs 1018

Compare benchmarks

CPU 1: Intel Xeon E7450
CPU 2: AMD Opteron 6281

PassMark - Single thread mark

CPU 1

CPU 2

1018

1129

PassMark - CPU mark

CPU 1

CPU 2

9932

7279

Name	Intel Xeon E7450	AMD Opteron 6281
PassMark - Single thread mark	1018	1129
PassMark - CPU mark	9932	7279

Compare specifications (specs)

	Intel Xeon E7450	AMD Opteron 6281
Essentials
Architecture codename	Dunnington	Bulldozer
Launch date	Q3'08
Place in performance rating	1959	1936
Processor Number	E7450
Series	Legacy Intel Xeon Processors	AMD Opteron 6200 Series Processor
Vertical segment	Server	Server
Family		AMD Opteron
OPN Tray		OS6281YJTGGGU
Value for money (0-100)		33.18
Performance
64 bit support
Base frequency	2.40 GHz	2.5 GHz
Bus Speed	1066 MHz
Die size	503 mm2
L3 cache	12 MB L3 Cache	8 MB
Manufacturing process technology	45 nm	32 nm
Maximum core temperature	68°C
Number of cores	6	16
Transistor count	1900 million
VID voltage range	0.900V-1.450V
L1 cache		768 KB
L2 cache		16 MB
Maximum frequency		3.2 GHz
Number of threads		16
Unlocked
Compatibility
Package Size	53.3mm x 53.3mm
Sockets supported	PGA604	G34
Thermal Design Power (TDP)	90 Watt	130 Watt
Max number of CPUs in a configuration		4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
FSB parity
Idle States
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
Intel® Virtualization Technology (VT-x)
AMD Virtualization (AMD-V™)
Memory
Max memory channels		2
Supported memory frequency		2000 MHz
Supported memory types		DDR3