AMD Opteron 1385 vs Intel Xeon E5640

Comparative analysis of AMD Opteron 1385 and Intel Xeon E5640 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD Opteron 1385

  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 910.2x more maximum memory size: 256 TB vs 288 GB
L1 cache 512 KB vs 64 KB (per core)
L2 cache 2 MB vs 256 KB (per core)
Maximum memory size 256 TB vs 288 GB

Reasons to consider the Intel Xeon E5640

  • CPU is newer: launch date 8 month(s) later
  • 4 more threads: 8 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 44% lower typical power consumption: 80 Watt vs 115 Watt
  • Around 21% better performance in PassMark - Single thread mark: 1252 vs 1035
  • 3.9x better performance in PassMark - CPU mark: 7455 vs 1898
Specifications (specs)
Launch date March 2010 vs 1 Jun 2009
Number of threads 8 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) 80 Watt vs 115 Watt
Benchmarks
PassMark - Single thread mark 1252 vs 1035
PassMark - CPU mark 7455 vs 1898

Compare benchmarks

CPU 1: AMD Opteron 1385
CPU 2: Intel Xeon E5640

PassMark - Single thread mark
CPU 1
CPU 2
1035
1252
PassMark - CPU mark
CPU 1
CPU 2
1898
7455
Name AMD Opteron 1385 Intel Xeon E5640
PassMark - Single thread mark 1035 1252
PassMark - CPU mark 1898 7455
Geekbench 4 - Single Core 476
Geekbench 4 - Multi-Core 2185

Compare specifications (specs)

AMD Opteron 1385 Intel Xeon E5640

Essentials

Architecture codename K10 Westmere EP
Launch date 1 Jun 2009 March 2010
Launch price (MSRP) $229 $49
Place in performance rating 2226 2220
Vertical segment Server Server
Price now $59.49
Processor Number E5640
Series Legacy Intel® Xeon® Processors
Status Discontinued
Value for money (0-100) 26.06

Performance

Base frequency 2.7 GHz 2.66 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 4
Number of threads 4 8
64 bit support
Bus Speed 5.86 GT/s QPI
Die size 239 mm
Maximum core temperature 77.6°C
Maximum frequency 2.93 GHz
Number of QPI Links 2
Transistor count 1170 million
VID voltage range 0.750V-1.350V

Memory

Maximum memory size 256 TB 288 GB
Supported memory types DDR3-1333, DDR2-1066 DDR3 800/1066
ECC memory support
Max memory channels 3
Maximum memory bandwidth 25.6 GB/s

Compatibility

Max number of CPUs in a configuration 1 2
Sockets supported AM2+, AM3 FCLGA1366
Thermal Design Power (TDP) 115 Watt 80 Watt
Low Halogen Options Available
Package Size 42.5mm X 45mm

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE) 40-bit
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)