AMD Opteron 6238 vs Intel Xeon E5-2640

Comparative analysis of AMD Opteron 6238 and Intel Xeon E5-2640 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, 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 6238

Intel Xeon E5-2640

Differences

Reasons to consider the AMD Opteron 6238

6 more cores, run more applications at once: 12 vs 6
Around 7% higher clock speed: 3.2 GHz vs 3.00 GHz
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 7% more L3 cache; more data can be stored in the L3 cache for quick access later

Number of cores	12 vs 6
Maximum frequency	3.2 GHz vs 3.00 GHz
L1 cache	576 KB vs 64 KB (per core)
L2 cache	12 MB vs 256 KB (per core)
L3 cache	16 MB vs 15360 KB (shared)

Reasons to consider the Intel Xeon E5-2640

Around 4% higher maximum core temperature: 73 °C vs 70.40°C
Around 21% lower typical power consumption: 95 Watt vs 115 Watt
Around 17% better performance in PassMark - Single thread mark: 1348 vs 1157
2.1x better performance in PassMark - CPU mark: 11615 vs 5625

Specifications (specs)
Maximum core temperature	73 °C vs 70.40°C
Thermal Design Power (TDP)	95 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1348 vs 1157
PassMark - CPU mark	11615 vs 5625

Compare benchmarks

CPU 1: AMD Opteron 6238
CPU 2: Intel Xeon E5-2640

PassMark - Single thread mark

CPU 1

CPU 2

1157

1348

PassMark - CPU mark

CPU 1

CPU 2

5625

11615

Name	AMD Opteron 6238	Intel Xeon E5-2640
PassMark - Single thread mark	1157	1348
PassMark - CPU mark	5625	11615
Geekbench 4 - Single Core		564
Geekbench 4 - Multi-Core		3363

Compare specifications (specs)

	AMD Opteron 6238	Intel Xeon E5-2640
Essentials
Family	AMD Opteron
OPN Tray	OS6238WKTCGGU
Place in performance rating	1857	1874
Series	AMD Opteron 6200 Series Processor	Intel® Xeon® Processor E5 Family
Vertical segment	Server	Server
Architecture codename		Sandy Bridge EP
Launch date		March 2012
Launch price (MSRP)		$162
Price now		$197.27
Processor Number		E5-2640
Status		Discontinued
Value for money (0-100)		14.20
Performance
Base frequency	2.6 GHz	2.50 GHz
L1 cache	576 KB	64 KB (per core)
L2 cache	12 MB	256 KB (per core)
L3 cache	16 MB	15360 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	70.40°C	73 °C
Maximum frequency	3.2 GHz	3.00 GHz
Number of cores	12	6
Number of threads	12	12
Unlocked
64 bit support
Bus Speed		7.2 GT/s QPI
Die size		435 mm
Number of QPI Links		2
Transistor count		2270 million
VID voltage range		0.60V-1.35V
Memory
Supported memory frequency	2000 MHz
Supported memory types	DDR3	DDR3 800/1066/1333
ECC memory support
Max memory channels		4
Maximum memory bandwidth		42.6 GB/s
Maximum memory size		384 GB
Compatibility
Sockets supported	G34	FCLGA2011
Thermal Design Power (TDP)	115 Watt	95 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
Package Size		52.5mm x 45.0mm
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)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
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)