AMD Opteron 4238 vs Intel Xeon X5647

Comparative analysis of AMD Opteron 4238 and Intel Xeon X5647 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 4238

  • 2 more cores, run more applications at once: 6 vs 4
  • Around 16% higher clock speed: 3.7 GHz vs 3.20 GHz
  • Around 13% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 6x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Number of cores 6 vs 4
Maximum frequency 3.7 GHz vs 3.20 GHz
L1 cache 288 KB vs 64 KB (per core)
L2 cache 6 MB vs 256 KB (per core)
Thermal Design Power (TDP) 95 Watt vs 130 Watt

Reasons to consider the Intel Xeon X5647

  • 2 more threads: 8 vs 6
  • Around 14% higher maximum core temperature: 80.4°C vs 70.50°C
  • Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 8% better performance in PassMark - Single thread mark: 1418 vs 1313
  • Around 16% better performance in PassMark - CPU mark: 8369 vs 7236
Specifications (specs)
Number of threads 8 vs 6
Maximum core temperature 80.4°C vs 70.50°C
L3 cache 12288 KB (shared) vs 8 MB
Benchmarks
PassMark - Single thread mark 1418 vs 1313
PassMark - CPU mark 8369 vs 7236

Compare benchmarks

CPU 1: AMD Opteron 4238
CPU 2: Intel Xeon X5647

PassMark - Single thread mark
CPU 1
CPU 2
1313
1418
PassMark - CPU mark
CPU 1
CPU 2
7236
8369
Name AMD Opteron 4238 Intel Xeon X5647
PassMark - Single thread mark 1313 1418
PassMark - CPU mark 7236 8369

Compare specifications (specs)

AMD Opteron 4238 Intel Xeon X5647

Essentials

Family AMD Opteron
OPN Tray OS4238WLU6KGU
Place in performance rating 1746 1631
Series AMD Opteron 4200 Series Processor Legacy Intel® Xeon® Processors
Vertical segment Server Server
Architecture codename Westmere EP
Launch date February 2011
Launch price (MSRP) $175
Price now $199.75
Processor Number X5647
Status Discontinued
Value for money (0-100) 8.82

Performance

Base frequency 3.3 GHz 2.93 GHz
L1 cache 288 KB 64 KB (per core)
L2 cache 6 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 80.4°C
Maximum frequency 3.7 GHz 3.20 GHz
Number of cores 6 4
Number of threads 6 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 2200 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 C32 FCLGA1366
Thermal Design Power (TDP) 95 Watt 130 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)