Intel Xeon E5-1660 v2 vs Intel Xeon E3-1275 v3

Comparative analysis of Intel Xeon E5-1660 v2 and Intel Xeon E3-1275 v3 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s).

 

Differences

Reasons to consider the Intel Xeon E5-1660 v2

  • CPU is newer: launch date 3 month(s) later
  • 2 more cores, run more applications at once: 6 vs 4
  • 4 more threads: 12 vs 8
  • Around 3% higher clock speed: 4.00 GHz vs 3.90 GHz
  • 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 88% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 8x more maximum memory size: 256 GB vs 32 GB
  • Around 42% better performance in PassMark - CPU mark: 10268 vs 7220
  • Around 45% better performance in Geekbench 4 - Multi-Core: 4969 vs 3422
Specifications (specs)
Launch date September 2013 vs June 2013
Number of cores 6 vs 4
Number of threads 12 vs 8
Maximum frequency 4.00 GHz vs 3.90 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 15360 KB (shared) vs 8192 KB (shared)
Maximum memory size 256 GB vs 32 GB
Benchmarks
PassMark - CPU mark 10268 vs 7220
Geekbench 4 - Multi-Core 4969 vs 3422

Reasons to consider the Intel Xeon E3-1275 v3

  • Around 55% lower typical power consumption: 84 Watt vs 130 Watt
  • Around 5% better performance in PassMark - Single thread mark: 2199 vs 2101
  • Around 11% better performance in Geekbench 4 - Single Core: 909 vs 816
  • Around 28% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 16.134 vs 12.593
Specifications (specs)
Thermal Design Power (TDP) 84 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark 2199 vs 2101
Geekbench 4 - Single Core 909 vs 816
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 16.134 vs 12.593

Compare benchmarks

CPU 1: Intel Xeon E5-1660 v2
CPU 2: Intel Xeon E3-1275 v3

PassMark - Single thread mark
CPU 1
CPU 2
2101
2199
PassMark - CPU mark
CPU 1
CPU 2
10268
7220
Geekbench 4 - Single Core
CPU 1
CPU 2
816
909
Geekbench 4 - Multi-Core
CPU 1
CPU 2
4969
3422
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
12.593
16.134
Name Intel Xeon E5-1660 v2 Intel Xeon E3-1275 v3
PassMark - Single thread mark 2101 2199
PassMark - CPU mark 10268 7220
Geekbench 4 - Single Core 816 909
Geekbench 4 - Multi-Core 4969 3422
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 12.593 16.134

Compare specifications (specs)

Intel Xeon E5-1660 v2 Intel Xeon E3-1275 v3

Essentials

Architecture codename Ivy Bridge EP Haswell
Launch date September 2013 June 2013
Launch price (MSRP) $1,809 $531
Place in performance rating 1526 1512
Price now $1,808.95 $400.99
Processor Number E5-1660V2 E3-1275 v3
Series Intel® Xeon® Processor E5 v2 Family Intel® Xeon® Processor E3 v3 Family
Status Launched Launched
Value for money (0-100) 2.23 7.26
Vertical segment Server Server

Performance

64 bit support
Base frequency 3.70 GHz 3.50 GHz
Bus Speed 0 GT/s QPI 5 GT/s DMI
Die size 160 mm 160 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) 8192 KB (shared)
Manufacturing process technology 22 nm 22 nm
Maximum core temperature 70°C
Maximum frequency 4.00 GHz 3.90 GHz
Number of cores 6 4
Number of QPI Links 0 0
Number of threads 12 8
Transistor count 1400 million 1400 million
VID voltage range 0.65–1.30V

Memory

ECC memory support
Max memory channels 4 2
Maximum memory bandwidth 59.7 GB/s 25.6 GB/s
Maximum memory size 256 GB 32 GB
Supported memory types DDR3 800/1066/1333/1600/1866 DDR3 and DDR3L 1333/1600 at 1.5V

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 52.5mm x 45.0 mm 37.5mm x 37.5mm
Sockets supported FCLGA2011 FCLGA1150
Thermal Design Power (TDP) 130 Watt 84 Watt
Thermal Solution PCG 2013D

Peripherals

Max number of PCIe lanes 40 16
PCI Express revision 3.0 3.0
PCIe configurations x4, x8, x16 1x16, 2x8, 1x8/2x4
Scalability 1S Only 1S Only

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® AVX Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE) 46-bit
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Fast Memory Access
Intel® Stable Image Platform Program (SIPP)

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 350 MHz
Graphics max dynamic frequency 1.25 GHz
Graphics max frequency 1.25 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 P4600

Graphics interfaces

Number of displays supported 3