Intel Xeon E7-4870 vs Intel Xeon E5-2643

Comparative analysis of Intel Xeon E7-4870 and Intel Xeon E5-2643 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 E7-4870

  • 6 more cores, run more applications at once: 10 vs 4
  • 12 more threads: 20 vs 8
  • 5.3x more maximum memory size: 2 TB vs 384 GB
  • Around 22% better performance in PassMark - CPU mark: 11939 vs 9778
Specifications (specs)
Number of cores 10 vs 4
Number of threads 20 vs 8
Maximum memory size 2 TB vs 384 GB
Max number of CPUs in a configuration 4 vs 2
Benchmarks
PassMark - CPU mark 11939 vs 9778

Reasons to consider the Intel Xeon E5-2643

  • Around 25% higher clock speed: 3.50 GHz vs 2.80 GHz
  • Around 6% higher maximum core temperature: 73°C vs 69°C
  • Around 52% better performance in PassMark - Single thread mark: 1603 vs 1054
Specifications (specs)
Maximum frequency 3.50 GHz vs 2.80 GHz
Maximum core temperature 73°C vs 69°C
Benchmarks
PassMark - Single thread mark 1603 vs 1054

Compare benchmarks

CPU 1: Intel Xeon E7-4870
CPU 2: Intel Xeon E5-2643

PassMark - Single thread mark
CPU 1
CPU 2
1054
1603
PassMark - CPU mark
CPU 1
CPU 2
11939
9778
Name Intel Xeon E7-4870 Intel Xeon E5-2643
PassMark - Single thread mark 1054 1603
PassMark - CPU mark 11939 9778
Geekbench 4 - Single Core 638
Geekbench 4 - Multi-Core 2761

Compare specifications (specs)

Intel Xeon E7-4870 Intel Xeon E5-2643

Essentials

Architecture codename Westmere EX Sandy Bridge EP
Launch date Q2'11 March 2012
Place in performance rating 1865 1859
Processor Number E7-4870 E5-2643
Series Intel® Xeon® Processor E7 Family Intel® Xeon® Processor E5 Family
Status Discontinued Discontinued
Vertical segment Server Server
Launch price (MSRP) $218
Price now $2,664
Value for money (0-100) 0.93

Performance

64 bit support
Base frequency 2.40 GHz 3.30 GHz
Bus Speed 6.4 GT/s QPI 8 GT/s QPI
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 69°C 73°C
Maximum frequency 2.80 GHz 3.50 GHz
Number of cores 10 4
Number of threads 20 8
Die size 294 mm
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 10240 KB (shared)
Number of QPI Links 2
Transistor count 1270 million
VID voltage range 0.60V-1.35V

Memory

Max memory channels 4 4
Maximum memory size 2 TB 384 GB
Supported memory types DDR3 800/978/1066/1333 (Max Speed 1066 MHz) DDR3 800/1066/1333/1600
ECC memory support
Maximum memory bandwidth 51.2 GB/s

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 4 2
Package Size 49.17mm x 56.47mm 52.5mm x 45.0mm
Sockets supported LGA1567 FCLGA2011
Thermal Design Power (TDP) 130 Watt 130 Watt

Peripherals

Scalability S4S 2S Only
Max number of PCIe lanes 40
PCI Express revision 3.0

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2 Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Idle States
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Flex Memory Access
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)