Intel Xeon E3-1265L v2 vs Intel Xeon E5-2640

Comparative analysis of Intel Xeon E3-1265L v2 and Intel Xeon E5-2640 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.

 

Differences

Reasons to consider the Intel Xeon E3-1265L v2

  • CPU is newer: launch date 2 month(s) later
  • Around 17% higher clock speed: 3.50 GHz vs 3.00 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
  • 2.1x lower typical power consumption: 45 Watt vs 95 Watt
  • Around 23% better performance in PassMark - Single thread mark: 1653 vs 1346
  • Around 5% better performance in Geekbench 4 - Single Core: 592 vs 564
Specifications (specs)
Launch date May 2012 vs March 2012
Maximum frequency 3.50 GHz vs 3.00 GHz
Manufacturing process technology 22 nm vs 32 nm
Thermal Design Power (TDP) 45 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 1653 vs 1346
Geekbench 4 - Single Core 592 vs 564

Reasons to consider the Intel Xeon E5-2640

  • 2 more cores, run more applications at once: 6 vs 4
  • 4 more threads: 12 vs 8
  • 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
  • 11.7x more maximum memory size: 384 GB vs 32.77 GB
  • 2.3x better performance in PassMark - CPU mark: 11615 vs 5148
  • Around 40% better performance in Geekbench 4 - Multi-Core: 3363 vs 2402
Specifications (specs)
Number of cores 6 vs 4
Number of threads 12 vs 8
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 384 GB vs 32.77 GB
Max number of CPUs in a configuration 2 vs 1
Benchmarks
PassMark - CPU mark 11615 vs 5148
Geekbench 4 - Multi-Core 3363 vs 2402

Compare benchmarks

CPU 1: Intel Xeon E3-1265L v2
CPU 2: Intel Xeon E5-2640

PassMark - Single thread mark
CPU 1
CPU 2
1653
1346
PassMark - CPU mark
CPU 1
CPU 2
5148
11615
Geekbench 4 - Single Core
CPU 1
CPU 2
592
564
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2402
3363
Name Intel Xeon E3-1265L v2 Intel Xeon E5-2640
PassMark - Single thread mark 1653 1346
PassMark - CPU mark 5148 11615
Geekbench 4 - Single Core 592 564
Geekbench 4 - Multi-Core 2402 3363

Compare specifications (specs)

Intel Xeon E3-1265L v2 Intel Xeon E5-2640

Essentials

Architecture codename Ivy Bridge Sandy Bridge EP
Launch date May 2012 March 2012
Launch price (MSRP) $142 $162
Place in performance rating 1954 1956
Price now $142.42 $197.27
Processor Number E3-1265LV2 E5-2640
Series Intel® Xeon® Processor E3 v2 Family Intel® Xeon® Processor E5 Family
Status Discontinued Discontinued
Value for money (0-100) 16.10 14.20
Vertical segment Server Server

Performance

64 bit support
Base frequency 2.50 GHz 2.50 GHz
Bus Speed 5 GT/s DMI 7.2 GT/s QPI
Die size 160 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 8192 KB (shared) 15360 KB (shared)
Manufacturing process technology 22 nm 32 nm
Maximum frequency 3.50 GHz 3.00 GHz
Number of cores 4 6
Number of threads 8 12
Transistor count 1400 million 2270 million
Maximum core temperature 73 °C
Number of QPI Links 2
VID voltage range 0.60V-1.35V

Memory

ECC memory support
Max memory channels 2 4
Maximum memory size 32.77 GB 384 GB
Supported memory types DDR3 1333/1600 DDR3 800/1066/1333
Maximum memory bandwidth 42.6 GB/s

Graphics

Graphics base frequency 650 MHz
Graphics max dynamic frequency 1.15 GHz
Graphics max frequency 1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel® HD Graphics 2500

Graphics interfaces

Number of displays supported 3

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 2
Sockets supported FCLGA1155 FCLGA2011
Thermal Design Power (TDP) 45 Watt 95 Watt
Package Size 52.5mm x 45.0mm

Peripherals

PCI Express revision 3.0 3.0
PCIe configurations 1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4
Max number of PCIe lanes 40
Scalability 2S Only

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® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Intel® Demand Based Switching
Intel® Flex Memory Access
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)