AMD Opteron 1385 vs Intel Xeon L5638

Comparative analysis of AMD Opteron 1385 and Intel Xeon L5638 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD Opteron 1385

  • Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 10% better performance in PassMark - Single thread mark: 1035 vs 944
Specifications (specs)
L1 cache 512 KB vs 64 KB (per core)
L2 cache 2 MB vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark 1035 vs 944

Reasons to consider the Intel Xeon L5638

  • CPU is newer: launch date 8 month(s) later
  • 2 more cores, run more applications at once: 6 vs 4
  • 8 more threads: 12 vs 4
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • 2x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 92% lower typical power consumption: 60 Watt vs 115 Watt
  • 3.8x better performance in PassMark - CPU mark: 7217 vs 1898
Specifications (specs)
Launch date March 2010 vs 1 Jun 2009
Number of cores 6 vs 4
Number of threads 12 vs 4
Manufacturing process technology 32 nm vs 45 nm
L3 cache 12288 KB (shared) vs 6 MB
Max number of CPUs in a configuration 2 vs 1
Thermal Design Power (TDP) 60 Watt vs 115 Watt
Benchmarks
PassMark - CPU mark 7217 vs 1898

Compare benchmarks

CPU 1: AMD Opteron 1385
CPU 2: Intel Xeon L5638

PassMark - Single thread mark
CPU 1
CPU 2
1035
944
PassMark - CPU mark
CPU 1
CPU 2
1898
7217
Name AMD Opteron 1385 Intel Xeon L5638
PassMark - Single thread mark 1035 944
PassMark - CPU mark 1898 7217

Compare specifications (specs)

AMD Opteron 1385 Intel Xeon L5638

Essentials

Architecture codename K10 Westmere EP
Launch date 1 Jun 2009 March 2010
Launch price (MSRP) $229 $90
Place in performance rating 2226 2148
Vertical segment Server Server
Price now $69.90
Processor Number L5638
Series Legacy Intel® Xeon® Processors
Status Launched
Value for money (0-100) 23.41

Performance

Base frequency 2.7 GHz 2.00 GHz
L1 cache 512 KB 64 KB (per core)
L2 cache 2 MB 256 KB (per core)
L3 cache 6 MB 12288 KB (shared)
Manufacturing process technology 45 nm 32 nm
Number of cores 4 6
Number of threads 4 12
64 bit support
Bus Speed 5.86 GT/s QPI
Die size 239 mm
Maximum core temperature 85°C
Maximum frequency 2.40 GHz
Number of QPI Links 2
Transistor count 1170 million
VID voltage range 1.0 - 1.5V

Memory

Maximum memory size 256 TB
Supported memory types DDR3-1333, DDR2-1066 DDR3

Compatibility

Max number of CPUs in a configuration 1 2
Sockets supported AM2+, AM3 FCLGA1366
Thermal Design Power (TDP) 115 Watt 60 Watt
Low Halogen Options Available

Security & Reliability

Intel® Trusted Execution technology (TXT)

Advanced Technologies

Idle States
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)