Intel Xeon E5-2440 vs Intel Xeon E5-2665

Comparative analysis of Intel Xeon E5-2440 and Intel Xeon E5-2665 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, 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 Intel Xeon E5-2440

  • CPU is newer: launch date 2 month(s) later
  • Around 21% lower typical power consumption: 95 Watt vs 115 Watt
Launch date May 2012 vs March 2012
Thermal Design Power (TDP) 95 Watt vs 115 Watt

Reasons to consider the Intel Xeon E5-2665

  • 2 more cores, run more applications at once: 8 vs 6
  • 4 more threads: 16 vs 12
  • Around 7% higher clock speed: 3.10 GHz vs 2.90 GHz
  • Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 33% 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 18% better performance in PassMark - Single thread mark: 1355 vs 1151
  • Around 31% better performance in PassMark - CPU mark: 14117 vs 10776
Specifications (specs)
Number of cores 8 vs 6
Number of threads 16 vs 12
Maximum frequency 3.10 GHz vs 2.90 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 20480 KB (shared) vs 15360 KB (shared)
Benchmarks
PassMark - Single thread mark 1355 vs 1151
PassMark - CPU mark 14117 vs 10776

Compare benchmarks

CPU 1: Intel Xeon E5-2440
CPU 2: Intel Xeon E5-2665

PassMark - Single thread mark
CPU 1
CPU 2
1151
1355
PassMark - CPU mark
CPU 1
CPU 2
10776
14117
Name Intel Xeon E5-2440 Intel Xeon E5-2665
PassMark - Single thread mark 1151 1355
PassMark - CPU mark 10776 14117
Geekbench 4 - Single Core 573
Geekbench 4 - Multi-Core 4647

Compare specifications (specs)

Intel Xeon E5-2440 Intel Xeon E5-2665

Essentials

Architecture codename Sandy Bridge EN Sandy Bridge EP
Launch date May 2012 March 2012
Launch price (MSRP) $295 $142
Place in performance rating 1796 1816
Price now $43.72 $141.50
Processor Number E5-2440 E5-2665
Series Intel® Xeon® Processor E5 Family Intel® Xeon® Processor E5 Family
Status Discontinued Discontinued
Value for money (0-100) 61.84 24.14
Vertical segment Server Server

Performance

64 bit support
Base frequency 2.40 GHz 2.40 GHz
Bus Speed 7.2 GT/s QPI 8 GT/s QPI
Die size 294 mm 435 mm
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 15360 KB (shared) 20480 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum frequency 2.90 GHz 3.10 GHz
Number of cores 6 8
Number of QPI Links 1 2
Number of threads 12 16
Transistor count 1270 million 2270 million
VID voltage range 0.6V-1.35V 0.60V-1.35V
Maximum core temperature 81.8°C

Memory

ECC memory support
Max memory channels 3 4
Maximum memory bandwidth 32 GB/s 51.2 GB/s
Maximum memory size 384 GB 384 GB
Supported memory types DDR3 800/1066/1333 DDR3 800/1066/1333/1600

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 2 2
Package Size 45mm x 42.5mm 52.5mm x 45.0mm
Sockets supported FCLGA1356 FCLGA2011
Thermal Design Power (TDP) 95 Watt 115 Watt

Peripherals

Max number of PCIe lanes 24 40
PCI Express revision 3.0 3.0
Scalability 2S Only 2S Only

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® AVX Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Intel® vPro™ Platform Eligibility

Virtualization

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