AMD Opteron 6348 vs Intel Xeon E3-1275

Comparative analysis of AMD Opteron 6348 and Intel Xeon E3-1275 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Peripherals, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Opteron 6348

Intel Xeon E3-1275

Differences

Reasons to consider the AMD Opteron 6348

CPU is newer: launch date 1 year(s) 7 month(s) later
8 more cores, run more applications at once: 12 vs 4
4 more threads: 12 vs 8
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
2.4x better performance in PassMark - CPU mark: 13470 vs 5516

Specifications (specs)
Launch date	November 2012 vs April 2011
Number of cores	12 vs 4
Number of threads	12 vs 8
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)
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	13470 vs 5516

Reasons to consider the Intel Xeon E3-1275

Around 12% higher clock speed: 3.80 GHz vs 3.4 GHz
Around 3% higher maximum core temperature: 72.6°C vs 70.40°C
Around 21% lower typical power consumption: 95 Watt vs 115 Watt
Around 32% better performance in PassMark - Single thread mark: 1773 vs 1344

Specifications (specs)
Maximum frequency	3.80 GHz vs 3.4 GHz
Maximum core temperature	72.6°C vs 70.40°C
Thermal Design Power (TDP)	95 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1773 vs 1344

Compare benchmarks

CPU 1: AMD Opteron 6348
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark

CPU 1

CPU 2

1344

1773

PassMark - CPU mark

CPU 1

CPU 2

13470

5516

Name	AMD Opteron 6348	Intel Xeon E3-1275
PassMark - Single thread mark	1344	1773
PassMark - CPU mark	13470	5516

Compare specifications (specs)

	AMD Opteron 6348	Intel Xeon E3-1275
Essentials
Architecture codename	Abu Dhabi	Sandy Bridge
Family	AMD Opteron
Launch date	November 2012	April 2011
OPN Tray	OS6348WKTCGHK
Place in performance rating	1550	1411
Series	AMD Opteron 6300 Series Processor	Intel® Xeon® Processor E3 Family
Vertical segment	Server	Server
Launch price (MSRP)		$450
Price now		$304
Processor Number		E3-1275
Status		Discontinued
Value for money (0-100)		8.09
Performance
64 bit support
Base frequency	2.8 GHz	3.40 GHz
Die size	315 mm	216 mm
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	32 nm
Maximum core temperature	70.40°C	72.6°C
Maximum frequency	3.4 GHz	3.80 GHz
Number of cores	12	4
Number of threads	12	8
Transistor count	2400 million	1160 million
Unlocked
Bus Speed		5 GT/s DMI
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
Max number of CPUs in a configuration	4	1
Sockets supported	G34	LGA1155
Thermal Design Power (TDP)	115 Watt	95 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
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
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)
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)