AMD Opteron 6281 vs Intel Xeon E5-2640

Comparative analysis of AMD Opteron 6281 and Intel Xeon E5-2640 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization, Peripherals, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Opteron 6281

Intel Xeon E5-2640

Differences

Reasons to consider the AMD Opteron 6281

10 more cores, run more applications at once: 16 vs 6
4 more threads: 16 vs 12
Around 7% higher clock speed: 3.2 GHz vs 3.00 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
10.7x more L2 cache, more data can be stored in the L2 cache for quick access later

Number of cores	16 vs 6
Number of threads	16 vs 12
Maximum frequency	3.2 GHz vs 3.00 GHz
L1 cache	768 KB vs 64 KB (per core)
L2 cache	16 MB vs 256 KB (per core)
Max number of CPUs in a configuration	4 vs 2

Reasons to consider the Intel Xeon E5-2640

Around 88% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 19% better performance in PassMark - Single thread mark: 1345 vs 1129
Around 59% better performance in PassMark - CPU mark: 11591 vs 7279

Specifications (specs)
L3 cache	15360 KB (shared) vs 8 MB
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1345 vs 1129
PassMark - CPU mark	11591 vs 7279

Compare benchmarks

CPU 1: AMD Opteron 6281
CPU 2: Intel Xeon E5-2640

PassMark - Single thread mark

CPU 1

CPU 2

1129

1345

PassMark - CPU mark

CPU 1

CPU 2

7279

11591

Name	AMD Opteron 6281	Intel Xeon E5-2640
PassMark - Single thread mark	1129	1345
PassMark - CPU mark	7279	11591
Geekbench 4 - Single Core		564
Geekbench 4 - Multi-Core		3363

Compare specifications (specs)

	AMD Opteron 6281	Intel Xeon E5-2640
Essentials
Architecture codename	Bulldozer	Sandy Bridge EP
Family	AMD Opteron
OPN Tray	OS6281YJTGGGU
Place in performance rating	1936	1956
Series	AMD Opteron 6200 Series Processor	Intel® Xeon® Processor E5 Family
Value for money (0-100)	33.18	14.20
Vertical segment	Server	Server
Launch date		March 2012
Launch price (MSRP)		$162
Price now		$197.27
Processor Number		E5-2640
Status		Discontinued
Performance
64 bit support
Base frequency	2.5 GHz	2.50 GHz
L1 cache	768 KB	64 KB (per core)
L2 cache	16 MB	256 KB (per core)
L3 cache	8 MB	15360 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum frequency	3.2 GHz	3.00 GHz
Number of cores	16	6
Number of threads	16	12
Unlocked
Bus Speed		7.2 GT/s QPI
Die size		435 mm
Maximum core temperature		73 °C
Number of QPI Links		2
Transistor count		2270 million
VID voltage range		0.60V-1.35V
Memory
Max memory channels	2	4
Supported memory frequency	2000 MHz
Supported memory types	DDR3	DDR3 800/1066/1333
ECC memory support
Maximum memory bandwidth		42.6 GB/s
Maximum memory size		384 GB
Compatibility
Max number of CPUs in a configuration	4	2
Sockets supported	G34	FCLGA2011
Thermal Design Power (TDP)	130 Watt	95 Watt
Low Halogen Options Available
Package Size		52.5mm x 45.0mm
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® AVX
Intel 64
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Peripherals
Max number of PCIe lanes		40
PCI Express revision		3.0
Scalability		2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)