AMD Opteron 6276 vs Intel Xeon E3-1245

Comparative analysis of AMD Opteron 6276 and Intel Xeon E3-1245 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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).

AMD Opteron 6276

Intel Xeon E3-1245

Differences

Reasons to consider the AMD Opteron 6276

CPU is newer: launch date 7 month(s) later
12 more cores, run more applications at once: 16 vs 4
8 more threads: 16 vs 8
3x more L1 cache, more data can be stored in the L1 cache for quick access later
16x 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
Around 72% better performance in PassMark - CPU mark: 9168 vs 5339
2.4x better performance in Geekbench 4 - Single Core: 1688 vs 713
3.1x better performance in Geekbench 4 - Multi-Core: 8409 vs 2683

Specifications (specs)
Launch date	November 2011 vs April 2011
Number of cores	16 vs 4
Number of threads	16 vs 8
L1 cache	768 KB vs 64 KB (per core)
L2 cache	16 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	9168 vs 5339
Geekbench 4 - Single Core	1688 vs 713
Geekbench 4 - Multi-Core	8409 vs 2683

Reasons to consider the Intel Xeon E3-1245

Around 16% higher clock speed: 3.70 GHz vs 3.2 GHz
Around 5% higher maximum core temperature: 72.6°C vs 69°C
Around 21% lower typical power consumption: 95 Watt vs 115 Watt
Around 88% better performance in PassMark - Single thread mark: 1718 vs 916

Specifications (specs)
Maximum frequency	3.70 GHz vs 3.2 GHz
Maximum core temperature	72.6°C vs 69°C
Thermal Design Power (TDP)	95 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1718 vs 916

Compare benchmarks

CPU 1: AMD Opteron 6276
CPU 2: Intel Xeon E3-1245

PassMark - Single thread mark

CPU 1

CPU 2

916

1718

PassMark - CPU mark

CPU 1

CPU 2

9168

5339

Geekbench 4 - Single Core

CPU 1

CPU 2

1688

713

Geekbench 4 - Multi-Core

CPU 1

CPU 2

8409

2683

Name	AMD Opteron 6276	Intel Xeon E3-1245
PassMark - Single thread mark	916	1718
PassMark - CPU mark	9168	5339
Geekbench 4 - Single Core	1688	713
Geekbench 4 - Multi-Core	8409	2683
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	15.75
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	39.164
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.93
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.806
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	18.974

Compare specifications (specs)

	AMD Opteron 6276	Intel Xeon E3-1245
Essentials
Architecture codename	Interlagos	Sandy Bridge
Family	AMD Opteron
Launch date	November 2011	April 2011
Launch price (MSRP)	$119	$350
OPN Tray	OS6276WKTGGGU
Place in performance rating	1749	1750
Price now	$79.99	$260
Series	AMD Opteron 6200 Series Processor	Intel® Xeon® Processor E3 Family
Value for money (0-100)	33.18	9.09
Vertical segment	Server	Server
Processor Number		E3-1245
Status		Discontinued
Performance
64 bit support
Base frequency	2.3 GHz	3.30 GHz
Die size	316 mm	216 mm
L1 cache	768 KB	64 KB (per core)
L2 cache	16 MB	256 KB (per core)
L3 cache	16 MB	8192 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	69°C	72.6°C
Maximum frequency	3.2 GHz	3.70 GHz
Number of cores	16	4
Number of threads	16	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)