AMD Opteron 4334 vs Intel Xeon E5-2643

Comparative analysis of AMD Opteron 4334 and Intel Xeon E5-2643 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 4334

Intel Xeon E5-2643

Differences

Reasons to consider the AMD Opteron 4334

2 more cores, run more applications at once: 6 vs 4
Around 13% more L1 cache; more data can be stored in the L1 cache for quick access later
6x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 37% lower typical power consumption: 95 Watt vs 130 Watt

Number of cores	6 vs 4
L1 cache	288 KB vs 64 KB (per core)
L2 cache	6 MB vs 256 KB (per core)
Thermal Design Power (TDP)	95 Watt vs 130 Watt

Reasons to consider the Intel Xeon E5-2643

2 more threads: 8 vs 6
Around 8% higher maximum core temperature: 73°C vs 67.70°C
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 32% better performance in PassMark - Single thread mark: 1600 vs 1208
Around 60% better performance in PassMark - CPU mark: 9774 vs 6099

Specifications (specs)
Number of threads	8 vs 6
Maximum core temperature	73°C vs 67.70°C
L3 cache	10240 KB (shared) vs 8 MB
Benchmarks
PassMark - Single thread mark	1600 vs 1208
PassMark - CPU mark	9774 vs 6099

Compare benchmarks

CPU 1: AMD Opteron 4334
CPU 2: Intel Xeon E5-2643

PassMark - Single thread mark

CPU 1

CPU 2

1208

1600

PassMark - CPU mark

CPU 1

CPU 2

6099

9774

Name	AMD Opteron 4334	Intel Xeon E5-2643
PassMark - Single thread mark	1208	1600
PassMark - CPU mark	6099	9774
Geekbench 4 - Single Core		638
Geekbench 4 - Multi-Core		2761

Compare specifications (specs)

	AMD Opteron 4334	Intel Xeon E5-2643
Essentials
Architecture codename	Seoul	Sandy Bridge EP
Family	AMD Opteron
Launch date	n/d	March 2012
OPN Tray	OS4334WLU6KHK
Place in performance rating	1906	1858
Series	AMD Opteron 4300 Series Processor	Intel® Xeon® Processor E5 Family
Vertical segment	Server	Server
Launch price (MSRP)		$218
Price now		$2,664
Processor Number		E5-2643
Status		Discontinued
Value for money (0-100)		0.93
Performance
64 bit support
Base frequency	3.1 GHz	3.30 GHz
Die size	315 mm	294 mm
L1 cache	288 KB	64 KB (per core)
L2 cache	6 MB	256 KB (per core)
L3 cache	8 MB	10240 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	67.70°C	73°C
Maximum frequency	3.5 GHz	3.50 GHz
Number of cores	6	4
Number of threads	6	8
Transistor count	1200 million	1270 million
Unlocked
Bus Speed		8 GT/s QPI
Number of QPI Links		2
VID voltage range		0.60V-1.35V
Memory
Supported memory frequency	2000 MHz
Supported memory types	DDR3	DDR3 800/1066/1333/1600
ECC memory support
Max memory channels		4
Maximum memory bandwidth		51.2 GB/s
Maximum memory size		384 GB
Compatibility
Max number of CPUs in a configuration	2	2
Sockets supported	C32	FCLGA2011
Thermal Design Power (TDP)	95 Watt	130 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)