AMD Opteron 3280 vs Intel Xeon E3-1275

Comparative analysis of AMD Opteron 3280 and Intel Xeon E3-1275 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Graphics, Graphics interfaces, Peripherals, 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 3280

Intel Xeon E3-1275

Differences

Reasons to consider the AMD Opteron 3280

4 more cores, run more applications at once: 8 vs 4
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
8x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Number of cores	8 vs 4
L1 cache	384 KB vs 64 KB (per core)
L2 cache	8 MB vs 256 KB (per core)
Thermal Design Power (TDP)	65 Watt vs 95 Watt

Reasons to consider the Intel Xeon E3-1275

Around 12% higher clock speed: 3.80 GHz vs 3.4 GHz
Around 19% higher maximum core temperature: 72.6°C vs 61.10°C
Around 71% better performance in PassMark - Single thread mark: 1773 vs 1036
Around 48% better performance in PassMark - CPU mark: 5516 vs 3723

Specifications (specs)
Maximum frequency	3.80 GHz vs 3.4 GHz
Maximum core temperature	72.6°C vs 61.10°C
Benchmarks
PassMark - Single thread mark	1773 vs 1036
PassMark - CPU mark	5516 vs 3723

Compare benchmarks

CPU 1: AMD Opteron 3280
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark

CPU 1

CPU 2

1036

1773

PassMark - CPU mark

CPU 1

CPU 2

3723

5516

Name	AMD Opteron 3280	Intel Xeon E3-1275
PassMark - Single thread mark	1036	1773
PassMark - CPU mark	3723	5516
Geekbench 4 - Single Core	1866
Geekbench 4 - Multi-Core	7007

Compare specifications (specs)

	AMD Opteron 3280	Intel Xeon E3-1275
Essentials
Family	AMD Opteron
OPN PIB	OS3280OLW8KGUBOX
OPN Tray	OS3280OLW8KGU
Place in performance rating	1449	1412
Series	AMD Opteron 3200 Series Processor	Intel® Xeon® Processor E3 Family
Vertical segment	Server	Server
Architecture codename		Sandy Bridge
Launch date		April 2011
Launch price (MSRP)		$450
Price now		$304
Processor Number		E3-1275
Status		Discontinued
Value for money (0-100)		8.09
Performance
Base frequency	2.4 GHz	3.40 GHz
L1 cache	384 KB	64 KB (per core)
L2 cache	8 MB	256 KB (per core)
L3 cache	8 MB	8192 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	61.10°C	72.6°C
Maximum frequency	3.4 GHz	3.80 GHz
Number of cores	8	4
Number of threads	8	8
Unlocked
64 bit support
Bus Speed		5 GT/s DMI
Die size		216 mm
Transistor count		1160 million
Memory
Supported memory frequency	2000 MHz
Supported memory types	DDR3	DDR3 1066/1333
ECC memory support
Max memory channels		2
Maximum memory bandwidth		21 GB/s
Maximum memory size		32 GB
Compatibility
Sockets supported	AM3+	LGA1155
Thermal Design Power (TDP)	65 Watt	95 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		1
Package Size		37.5mm x 37.5mm
Graphics
Graphics base frequency		850 MHz
Graphics max dynamic frequency		1.35 GHz
Graphics max frequency		1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel HD Graphics P3000
Graphics interfaces
Number of displays supported		2
Wireless Display (WiDi) support
Peripherals
Max number of PCIe lanes		20
PCI Express revision		2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
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)