AMD EPYC 7251 vs Intel Xeon E3-1285 v4

Comparative analysis of AMD EPYC 7251 and Intel Xeon E3-1285 v4 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization, Graphics, Graphics interfaces, Security & Reliability, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD EPYC 7251

  • CPU is newer: launch date 2 year(s) 0 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 4 more cores, run more applications at once: 8 vs 4
  • 8 more threads: 16 vs 8
  • 3x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 5.3x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 91% better performance in PassMark - CPU mark: 14935 vs 7808
Specifications (specs)
Launch date June 2017 vs June 2015
Unlocked Unlocked vs Locked
Number of cores 8 vs 4
Number of threads 16 vs 8
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 6144 KB (shared)
Max number of CPUs in a configuration 2 vs 1
Benchmarks
PassMark - CPU mark 14935 vs 7808

Reasons to consider the Intel Xeon E3-1285 v4

  • Around 31% higher clock speed: 3.80 GHz vs 2.9 GHz
  • Around 26% lower typical power consumption: 95 Watt vs 120 Watt
  • Around 38% better performance in PassMark - Single thread mark: 2313 vs 1671
Specifications (specs)
Maximum frequency 3.80 GHz vs 2.9 GHz
Thermal Design Power (TDP) 95 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark 2313 vs 1671

Compare benchmarks

CPU 1: AMD EPYC 7251
CPU 2: Intel Xeon E3-1285 v4

PassMark - Single thread mark
CPU 1
CPU 2
1671
2313
PassMark - CPU mark
CPU 1
CPU 2
14935
7808
Name AMD EPYC 7251 Intel Xeon E3-1285 v4
PassMark - Single thread mark 1671 2313
PassMark - CPU mark 14935 7808
GFXBench 4.0 - Car Chase Offscreen (Frames) 740
GFXBench 4.0 - Car Chase Offscreen (Fps) 740
GFXBench 4.0 - Manhattan (Frames) 2101
GFXBench 4.0 - Manhattan (Fps) 2101
GFXBench 4.0 - T-Rex (Frames) 3280
GFXBench 4.0 - T-Rex (Fps) 3280

Compare specifications (specs)

AMD EPYC 7251 Intel Xeon E3-1285 v4

Essentials

Architecture codename Zen Broadwell
Family AMD EPYC
Launch date June 2017 June 2015
Place in performance rating 1272 1252
Series AMD EPYC 7000 Series Intel® Xeon® Processor E3 v4 Family
Vertical segment Server Server
Processor Number E3-1285V4
Status Launched

Performance

64 bit support
Base frequency 2.1 GHz 3.50 GHz
Die size 192 mm 160 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 6144 KB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum frequency 2.9 GHz 3.80 GHz
Number of cores 8 4
Number of threads 16 8
Transistor count 4800 million 1400 million
Unlocked
Bus Speed 5 GT/s DMI
Number of QPI Links 0

Memory

Max memory channels 8 2
Maximum memory bandwidth 307 GB/s 29.8 GB/s
Supported memory frequency 2400 MHz
Supported memory types DDR4 DDR3 and DDR3L 1333/1600/1866 at 1.5V
ECC memory support
Maximum memory size 32 GB

Compatibility

Max number of CPUs in a configuration 2 1
Socket Count 1P/2P
Sockets supported TR4 FCLGA1150
Thermal Design Power (TDP) 120 Watt 95 Watt
Low Halogen Options Available
Package Size 37.5mm x 37.5mm
Thermal Solution PCG 2013B

Peripherals

PCI Express revision x128 3.0
Max number of PCIe lanes 16
PCIe configurations 1x16
Scalability 1S 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)

Graphics

eDRAM 128 MB
Execution Units 48
Graphics base frequency 300 MHz
Graphics max dynamic frequency 1.15 GHz
Graphics max frequency 1.15 GHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Max video memory 32 GB
Processor graphics Intel Iris Pro Graphics P6300

Graphics interfaces

Number of displays supported 3

Security & Reliability

Execute Disable Bit (EDB)
Intel® OS Guard
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® AVX2
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