Intel Xeon E5503 vs Intel Xeon X5550

Comparative analysis of Intel Xeon E5503 and Intel Xeon X5550 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

 

Differences

Reasons to consider the Intel Xeon E5503

  • CPU is newer: launch date 1 year(s) 0 month(s) later
  • Around 1% higher maximum core temperature: 76°C vs 75°C
  • Around 19% lower typical power consumption: 80 Watt vs 95 Watt
Launch date March 2010 vs March 2009
Maximum core temperature 76°C vs 75°C
Thermal Design Power (TDP) 80 Watt vs 95 Watt

Reasons to consider the Intel Xeon X5550

  • 2 more cores, run more applications at once: 4 vs 2
  • 6 more threads: 8 vs 2
  • Around 53% higher clock speed: 3.06 GHz vs 2 GHz
  • 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
  • 2x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 68% better performance in PassMark - Single thread mark: 1312 vs 783
  • 3.1x better performance in PassMark - CPU mark: 5603 vs 1787
Specifications (specs)
Number of cores 4 vs 2
Number of threads 8 vs 2
Maximum frequency 3.06 GHz vs 2 GHz
L1 cache 64 KB (per core) vs 64 KB (per core)
L2 cache 256 KB (per core) vs 256 KB (per core)
L3 cache 8192 KB (shared) vs 4096 KB (shared)
Benchmarks
PassMark - Single thread mark 1312 vs 783
PassMark - CPU mark 5603 vs 1787

Compare benchmarks

CPU 1: Intel Xeon E5503
CPU 2: Intel Xeon X5550

PassMark - Single thread mark
CPU 1
CPU 2
783
1312
PassMark - CPU mark
CPU 1
CPU 2
1787
5603
Name Intel Xeon E5503 Intel Xeon X5550
PassMark - Single thread mark 783 1312
PassMark - CPU mark 1787 5603
Geekbench 4 - Single Core 491
Geekbench 4 - Multi-Core 2241
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.775
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 71.663
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.861
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 8.548
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.531

Compare specifications (specs)

Intel Xeon E5503 Intel Xeon X5550

Essentials

Architecture codename Nehalem EP Nehalem EP
Launch date March 2010 March 2009
Launch price (MSRP) $287 $62
Place in performance rating 2554 2539
Price now $287.01 $17.27
Processor Number E5503 X5550
Series Legacy Intel® Xeon® Processors Legacy Intel® Xeon® Processors
Status Launched Launched
Value for money (0-100) 1.43 92.15
Vertical segment Server Server

Performance

64 bit support
Base frequency 2.00 GHz 2.66 GHz
Bus Speed 4.8 GT/s QPI 6.4 GT/s QPI
Die size 263 mm 263 mm2
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 4096 KB (shared) 8192 KB (shared)
Manufacturing process technology 45 nm 45 nm
Maximum core temperature 76°C 75°C
Maximum frequency 2 GHz 3.06 GHz
Number of cores 2 4
Number of QPI Links 2 2
Number of threads 2 8
Transistor count 731 million 731 million
VID voltage range 0.75V -1.35V 0.75V -1.35V

Memory

ECC memory support
Max memory channels 3 3
Maximum memory bandwidth 19.2 GB/s 32 GB/s
Maximum memory size 144 GB 144 GB
Supported memory types DDR3 800 DDR3 800/1066/1333

Compatibility

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

Security & Reliability

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

Advanced Technologies

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