AMD Opteron 6328 vs Intel Xeon E5640

Comparative analysis of AMD Opteron 6328 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD Opteron 6328

  • 4 more cores, run more applications at once: 8 vs 4
  • Around 30% higher clock speed: 3.8 GHz vs 2.93 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 33% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 15% better performance in PassMark - Single thread mark: 1442 vs 1252
  • Around 28% better performance in PassMark - CPU mark: 9508 vs 7455
Specifications (specs)
Number of cores 8 vs 4
Maximum frequency 3.8 GHz vs 2.93 GHz
L1 cache 384 KB vs 64 KB (per core)
L2 cache 8 MB vs 256 KB (per core)
L3 cache 16 MB vs 12288 KB (shared)
Benchmarks
PassMark - Single thread mark 1442 vs 1252
PassMark - CPU mark 9508 vs 7455

Reasons to consider the Intel Xeon E5640

  • Around 8% higher maximum core temperature: 77.6°C vs 71.70°C
  • Around 44% lower typical power consumption: 80 Watt vs 115 Watt
Maximum core temperature 77.6°C vs 71.70°C
Thermal Design Power (TDP) 80 Watt vs 115 Watt

Compare benchmarks

CPU 1: AMD Opteron 6328
CPU 2: Intel Xeon E5640

PassMark - Single thread mark
CPU 1
CPU 2
1442
1252
PassMark - CPU mark
CPU 1
CPU 2
9508
7455
Name AMD Opteron 6328 Intel Xeon E5640
PassMark - Single thread mark 1442 1252
PassMark - CPU mark 9508 7455
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 14.434
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 33.578
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.591
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.157
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 12.195
Geekbench 4 - Single Core 476
Geekbench 4 - Multi-Core 2185

Compare specifications (specs)

AMD Opteron 6328 Intel Xeon E5640

Essentials

Family AMD Opteron
OPN Tray OS6328WKT8GHK
Place in performance rating 2238 2222
Series AMD Opteron 6300 Series Processor Legacy Intel® Xeon® Processors
Vertical segment Server Server
Architecture codename Westmere EP
Launch date March 2010
Launch price (MSRP) $49
Price now $59.49
Processor Number E5640
Status Discontinued
Value for money (0-100) 26.06

Performance

Base frequency 3.2 GHz 2.66 GHz
L1 cache 384 KB 64 KB (per core)
L2 cache 8 MB 256 KB (per core)
L3 cache 16 MB 12288 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 71.70°C 77.6°C
Maximum frequency 3.8 GHz 2.93 GHz
Number of cores 8 4
Number of threads 8 8
Unlocked
64 bit support
Bus Speed 5.86 GT/s QPI
Die size 239 mm
Number of QPI Links 2
Transistor count 1170 million
VID voltage range 0.750V-1.350V

Memory

Supported memory frequency 2000 MHz
Supported memory types DDR3 DDR3 800/1066
ECC memory support
Max memory channels 3
Maximum memory bandwidth 25.6 GB/s
Maximum memory size 288 GB

Compatibility

Sockets supported G34 FCLGA1366
Thermal Design Power (TDP) 115 Watt 80 Watt
Low Halogen Options Available
Max number of CPUs in a configuration 2
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)