AMD EPYC 7251 vs Intel Xeon E5-2440

Comparative analysis of AMD EPYC 7251 and Intel Xeon E5-2440 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization, Security & Reliability, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD EPYC 7251

  • CPU is newer: launch date 5 year(s) 1 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 8 vs 6
  • 4 more threads: 16 vs 12
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2.1x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 48% better performance in PassMark - Single thread mark: 1671 vs 1132
  • Around 40% better performance in PassMark - CPU mark: 14935 vs 10663
Specifications (specs)
Launch date June 2017 vs May 2012
Unlocked Unlocked vs Locked
Number of cores 8 vs 6
Number of threads 16 vs 12
Manufacturing process technology 14 nm vs 32 nm
L1 cache 96 KB (per core) vs 64 KB (per core)
L2 cache 512 KB (per core) vs 256 KB (per core)
L3 cache 32 MB vs 15360 KB (shared)
Benchmarks
PassMark - Single thread mark 1671 vs 1132
PassMark - CPU mark 14935 vs 10663

Reasons to consider the Intel Xeon E5-2440

  • Around 26% lower typical power consumption: 95 Watt vs 120 Watt
Thermal Design Power (TDP) 95 Watt vs 120 Watt

Compare benchmarks

CPU 1: AMD EPYC 7251
CPU 2: Intel Xeon E5-2440

PassMark - Single thread mark
CPU 1
CPU 2
1671
1132
PassMark - CPU mark
CPU 1
CPU 2
14935
10663
Name AMD EPYC 7251 Intel Xeon E5-2440
PassMark - Single thread mark 1671 1132
PassMark - CPU mark 14935 10663

Compare specifications (specs)

AMD EPYC 7251 Intel Xeon E5-2440

Essentials

Architecture codename Zen Sandy Bridge EN
Family AMD EPYC
Launch date June 2017 May 2012
Place in performance rating 1180 1730
Series AMD EPYC 7000 Series Intel® Xeon® Processor E5 Family
Vertical segment Server Server
Launch price (MSRP) $295
Price now $43.72
Processor Number E5-2440
Status Discontinued
Value for money (0-100) 61.84

Performance

64 bit support
Base frequency 2.1 GHz 2.40 GHz
Die size 192 mm 294 mm
L1 cache 96 KB (per core) 64 KB (per core)
L2 cache 512 KB (per core) 256 KB (per core)
L3 cache 32 MB 15360 KB (shared)
Manufacturing process technology 14 nm 32 nm
Maximum frequency 2.9 GHz 2.90 GHz
Number of cores 8 6
Number of threads 16 12
Transistor count 4800 million 1270 million
Unlocked
Bus Speed 7.2 GT/s QPI
Number of QPI Links 1
VID voltage range 0.6V-1.35V

Memory

Max memory channels 8 3
Maximum memory bandwidth 307 GB/s 32 GB/s
Supported memory frequency 2400 MHz
Supported memory types DDR4 DDR3 800/1066/1333
ECC memory support
Maximum memory size 384 GB

Compatibility

Max number of CPUs in a configuration 2 2
Socket Count 1P/2P
Sockets supported TR4 FCLGA1356
Thermal Design Power (TDP) 120 Watt 95 Watt
Low Halogen Options Available
Package Size 45mm x 42.5mm

Peripherals

PCI Express revision x128 3.0
Max number of PCIe lanes 24
Scalability 2S Only

Virtualization

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

Security & Reliability

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

Advanced Technologies

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