Intel Xeon E3-1271 v3 vs Intel Xeon E3-1275

Comparative analysis of Intel Xeon E3-1271 v3 and Intel Xeon E3-1275 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. 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 E3-1271 v3

  • Around 5% higher clock speed: 4.00 GHz vs 3.80 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
  • Around 19% lower typical power consumption: 80 Watt vs 95 Watt
  • Around 29% better performance in PassMark - Single thread mark: 2279 vs 1773
  • Around 37% better performance in PassMark - CPU mark: 7535 vs 5516
Specifications (specs)
Maximum frequency 4.00 GHz vs 3.80 GHz
Manufacturing process technology 22 nm vs 32 nm
Thermal Design Power (TDP) 80 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 2279 vs 1773
PassMark - CPU mark 7535 vs 5516

Compare benchmarks

CPU 1: Intel Xeon E3-1271 v3
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark
CPU 1
CPU 2
2279
1773
PassMark - CPU mark
CPU 1
CPU 2
7535
5516
Name Intel Xeon E3-1271 v3 Intel Xeon E3-1275
PassMark - Single thread mark 2279 1773
PassMark - CPU mark 7535 5516
Geekbench 4 - Single Core 965
Geekbench 4 - Multi-Core 3597

Compare specifications (specs)

Intel Xeon E3-1271 v3 Intel Xeon E3-1275

Essentials

Architecture codename Haswell Sandy Bridge
Launch date Q2'14 April 2011
Place in performance rating 1418 1412
Processor Number E3-1271V3 E3-1275
Series Intel® Xeon® Processor E3 v3 Family Intel® Xeon® Processor E3 Family
Status Launched Discontinued
Vertical segment Server Server
Launch price (MSRP) $450
Price now $304
Value for money (0-100) 8.09

Performance

64 bit support
Base frequency 3.60 GHz 3.40 GHz
Bus Speed 5 GT/s DMI2 5 GT/s DMI
Manufacturing process technology 22 nm 32 nm
Maximum frequency 4.00 GHz 3.80 GHz
Number of cores 4 4
Number of QPI Links 0
Number of threads 8 8
Die size 216 mm
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 8192 KB (shared)
Maximum core temperature 72.6°C
Transistor count 1160 million

Memory

Max memory channels 2 2
Maximum memory bandwidth 25.6 GB/s 21 GB/s
Maximum memory size 32 GB 32 GB
Supported memory types DDR3 and DDR3L 1333/1600 at 1.5V DDR3 1066/1333
ECC memory support

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm 37.5mm x 37.5mm
Sockets supported FCLGA1150 LGA1155
Thermal Design Power (TDP) 80 Watt 95 Watt
Thermal Solution PCG 2013D

Peripherals

Max number of PCIe lanes 16 20
PCI Express revision 3.0 2.0
PCIe configurations 1x16, 2x8, 1x8/2x4
Scalability 1S Only

Security & Reliability

Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching

Virtualization

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

Graphics

Graphics base frequency 850 MHz
Graphics max dynamic frequency 1.35 GHz
Graphics max frequency 1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel HD Graphics P3000

Graphics interfaces

Number of displays supported 2
Wireless Display (WiDi) support