AMD Opteron 4386 vs Intel Xeon E5645

Comparative analysis of AMD Opteron 4386 and Intel Xeon E5645 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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).

 

Differences

Reasons to consider the AMD Opteron 4386

  • 2 more cores, run more applications at once: 8 vs 6
  • Around 42% higher clock speed: 3.8 GHz vs 2.67 GHz
  • 5.3x more L2 cache, more data can be stored in the L2 cache for quick access later
Number of cores 8 vs 6
Maximum frequency 3.8 GHz vs 2.67 GHz
L2 cache 8 MB vs 256 KB (per core)

Reasons to consider the Intel Xeon E5645

  • 4 more threads: 12 vs 8
  • Around 8% higher maximum core temperature: 76.2°C vs 70.50°C
  • Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 19% lower typical power consumption: 80 Watt vs 95 Watt
  • 2.4x better performance in PassMark - Single thread mark: 1173 vs 494
  • Around 68% better performance in PassMark - CPU mark: 9113 vs 5419
Specifications (specs)
Number of threads 12 vs 8
Maximum core temperature 76.2°C vs 70.50°C
L3 cache 12288 KB (shared) vs 8 MB
Thermal Design Power (TDP) 80 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 1173 vs 494
PassMark - CPU mark 9113 vs 5419

Compare benchmarks

CPU 1: AMD Opteron 4386
CPU 2: Intel Xeon E5645

PassMark - Single thread mark
CPU 1
CPU 2
494
1173
PassMark - CPU mark
CPU 1
CPU 2
5419
9113
Name AMD Opteron 4386 Intel Xeon E5645
PassMark - Single thread mark 494 1173
PassMark - CPU mark 5419 9113
Geekbench 4 - Single Core 442
Geekbench 4 - Multi-Core 2731
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.308
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 49.224
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.623
CompuBench 1.5 Desktop - Video Composition (Frames/s) 3.664
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 11.094

Compare specifications (specs)

AMD Opteron 4386 Intel Xeon E5645

Essentials

Architecture codename Seoul Westmere EP
Family AMD Opteron
Launch date n/d March 2010
OPN Tray OS4386WLU8KHK
Place in performance rating 2678 2419
Series AMD Opteron 4300 Series Processor Legacy Intel® Xeon® Processors
Vertical segment Server Server
Launch price (MSRP) $294
Price now $239.95
Processor Number E5645
Status Launched
Value for money (0-100) 7.96

Performance

64 bit support
Base frequency 3.1 GHz 2.40 GHz
Die size 315 mm 239 mm
L1 cache 384 KB 64 KB (per core)
L2 cache 8 MB 256 KB (per core)
L3 cache 8 MB 12288 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 70.50°C 76.2°C
Maximum frequency 3.8 GHz 2.67 GHz
Number of cores 8 6
Number of threads 8 12
Transistor count 1200 million 1170 million
Unlocked
Bus Speed 5.86 GT/s QPI
Number of QPI Links 2
VID voltage range 0.750V-1.350V

Memory

Supported memory frequency 2200 MHz
Supported memory types DDR3 DDR3 800/1066/1333
ECC memory support
Max memory channels 3
Maximum memory bandwidth 32 GB/s
Maximum memory size 288 GB

Compatibility

Max number of CPUs in a configuration 2 2
Sockets supported C32 FCLGA1366
Thermal Design Power (TDP) 95 Watt 80 Watt
Low Halogen Options Available
Package Size 42.5mm X 45mm

Advanced Technologies

Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE) 40-bit
Thermal Monitoring

Virtualization

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

Security & Reliability

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