Intel Xeon E5-2640 vs AMD Opteron 6168

Comparative analysis of Intel Xeon E5-2640 and AMD Opteron 6168 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.

Intel Xeon E5-2640

AMD Opteron 6168

Differences

Reasons to consider the Intel Xeon E5-2640

CPU is newer: launch date 2 year(s) 0 month(s) later
Around 58% higher clock speed: 3.00 GHz vs 1.9 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 21% lower typical power consumption: 95 Watt vs 115 Watt
Around 59% better performance in PassMark - Single thread mark: 1346 vs 845

Specifications (specs)
Launch date	March 2012 vs March 2010
Maximum frequency	3.00 GHz vs 1.9 GHz
Manufacturing process technology	32 nm vs 45 nm
L3 cache	15360 KB (shared) vs 12288 KB
Thermal Design Power (TDP)	95 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark	1346 vs 845

Reasons to consider the AMD Opteron 6168

6 more cores, run more applications at once: 12 vs 6
2x more L1 cache, more data can be stored in the L1 cache for quick access later
48x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 36% better performance in PassMark - CPU mark: 15745 vs 11615

Specifications (specs)
Number of cores	12 vs 6
L1 cache	768 KB (shared) vs 64 KB (per core)
L2 cache	6144 KB (per core) vs 256 KB (per core)
Benchmarks
PassMark - CPU mark	15745 vs 11615

Compare benchmarks

CPU 1: Intel Xeon E5-2640
CPU 2: AMD Opteron 6168

PassMark - Single thread mark

CPU 1

CPU 2

1346

845

PassMark - CPU mark

CPU 1

CPU 2

11615

15745

Name	Intel Xeon E5-2640	AMD Opteron 6168
PassMark - Single thread mark	1346	845
PassMark - CPU mark	11615	15745
Geekbench 4 - Single Core	564
Geekbench 4 - Multi-Core	3363

Compare specifications (specs)

	Intel Xeon E5-2640	AMD Opteron 6168
Essentials
Architecture codename	Sandy Bridge EP	Magny-Cours
Launch date	March 2012	March 2010
Launch price (MSRP)	$162
Place in performance rating	1956	1957
Price now	$197.27
Processor Number	E5-2640
Series	Intel® Xeon® Processor E5 Family
Status	Discontinued
Value for money (0-100)	14.20
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.50 GHz
Bus Speed	7.2 GT/s QPI
Die size	435 mm	346 mm
L1 cache	64 KB (per core)	768 KB (shared)
L2 cache	256 KB (per core)	6144 KB (per core)
L3 cache	15360 KB (shared)	12288 KB
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	73 °C
Maximum frequency	3.00 GHz	1.9 GHz
Number of cores	6	12
Number of QPI Links	2
Number of threads	12
Transistor count	2270 million	1800 million
VID voltage range	0.60V-1.35V
Maximum case temperature (TCase)		69 °C
Memory
ECC memory support
Max memory channels	4
Maximum memory bandwidth	42.6 GB/s
Maximum memory size	384 GB
Supported memory types	DDR3 800/1066/1333	DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45.0mm
Sockets supported	FCLGA2011	G34
Thermal Design Power (TDP)	95 Watt	115 Watt
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)