Intel Xeon E3-1240 vs Intel Xeon E5649

Comparative analysis of Intel Xeon E3-1240 and Intel Xeon E5649 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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, 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 Intel Xeon E3-1240

  • CPU is newer: launch date 1 month(s) later
  • Around 26% higher clock speed: 3.70 GHz vs 2.93 GHz
  • Around 42% better performance in PassMark - Single thread mark: 1723 vs 1214
  • Around 52% better performance in Geekbench 4 - Single Core: 714 vs 470
  • Around 73% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.497 vs 2.594
  • 3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 76.242 vs 25.435
Specifications (specs)
Launch date April 2011 vs February 2011
Maximum frequency 3.70 GHz vs 2.93 GHz
Benchmarks
PassMark - Single thread mark 1723 vs 1214
Geekbench 4 - Single Core 714 vs 470
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.497 vs 2.594
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 76.242 vs 25.435

Reasons to consider the Intel Xeon E5649

  • 2 more cores, run more applications at once: 6 vs 4
  • 4 more threads: 12 vs 8
  • Around 10% higher maximum core temperature: 76.2°C vs 69.1°C
  • Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 9x more maximum memory size: 288 GB vs 32 GB
  • Around 77% better performance in PassMark - CPU mark: 9558 vs 5403
  • Around 4% better performance in Geekbench 4 - Multi-Core: 2849 vs 2746
  • Around 20% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.647 vs 0.537
Specifications (specs)
Number of cores 6 vs 4
Number of threads 12 vs 8
Maximum core temperature 76.2°C vs 69.1°C
L1 cache 64 KB (per core) vs 64 KB (per core)
L2 cache 256 KB (per core) vs 256 KB (per core)
L3 cache 12288 KB (shared) vs 8192 KB (shared)
Maximum memory size 288 GB vs 32 GB
Max number of CPUs in a configuration 2 vs 1
Benchmarks
PassMark - CPU mark 9558 vs 5403
Geekbench 4 - Multi-Core 2849 vs 2746
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.647 vs 0.537

Compare benchmarks

CPU 1: Intel Xeon E3-1240
CPU 2: Intel Xeon E5649

PassMark - Single thread mark
CPU 1
CPU 2
1723
1214
PassMark - CPU mark
CPU 1
CPU 2
5403
9558
Geekbench 4 - Single Core
CPU 1
CPU 2
714
470
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2746
2849
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
4.497
2.594
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
76.242
25.435
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.537
0.647
Name Intel Xeon E3-1240 Intel Xeon E5649
PassMark - Single thread mark 1723 1214
PassMark - CPU mark 5403 9558
Geekbench 4 - Single Core 714 470
Geekbench 4 - Multi-Core 2746 2849
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.497 2.594
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 76.242 25.435
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.537 0.647
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.514
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.798

Compare specifications (specs)

Intel Xeon E3-1240 Intel Xeon E5649

Essentials

Architecture codename Sandy Bridge Westmere EP
Launch date April 2011 February 2011
Launch price (MSRP) $209 $45
Place in performance rating 2372 2404
Price now $244 $115
Processor Number E3-1240 E5649
Series Intel® Xeon® Processor E3 Family Legacy Intel® Xeon® Processors
Status Discontinued Launched
Value for money (0-100) 9.61 17.77
Vertical segment Server Server

Performance

64 bit support
Base frequency 3.30 GHz 2.53 GHz
Bus Speed 5 GT/s DMI 5.86 GT/s QPI
Die size 216 mm 239 mm
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 8192 KB (shared) 12288 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 69.1°C 76.2°C
Maximum frequency 3.70 GHz 2.93 GHz
Number of cores 4 6
Number of threads 8 12
Transistor count 1160 million 1170 million
Number of QPI Links 2
VID voltage range 0.750V-1.350V

Memory

ECC memory support
Max memory channels 2 3
Maximum memory bandwidth 21 GB/s 32 GB/s
Maximum memory size 32 GB 288 GB
Supported memory types DDR3 1066/1333 DDR3 800/1066/1333

Graphics

Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video

Graphics interfaces

Wireless Display (WiDi) support

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 2
Package Size 37.5mm x 37.5mm 42.5mm X 45mm
Sockets supported LGA1155 FCLGA1366
Thermal Design Power (TDP) 80 Watt 80 Watt

Peripherals

Max number of PCIe lanes 20
PCI Express revision 2.0

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Physical Address Extensions (PAE) 40-bit

Virtualization

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