Intel Xeon E5-4640 v4 vs AMD EPYC 7251
Comparative analysis of Intel Xeon E5-4640 v4 and AMD EPYC 7251 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.
Differences
Reasons to consider the Intel Xeon E5-4640 v4
- 4 more cores, run more applications at once: 12 vs 8
- 8 more threads: 24 vs 16
- Around 14% lower typical power consumption: 105 Watt vs 120 Watt
- Around 51% better performance in PassMark - CPU mark: 22559 vs 14935
Specifications (specs) | |
Number of cores | 12 vs 8 |
Number of threads | 24 vs 16 |
Max number of CPUs in a configuration | 4 vs 2 |
Thermal Design Power (TDP) | 105 Watt vs 120 Watt |
Benchmarks | |
PassMark - CPU mark | 22559 vs 14935 |
Reasons to consider the AMD EPYC 7251
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 12% higher clock speed: 2.9 GHz vs 2.60 GHz
- Around 6% better performance in PassMark - Single thread mark: 1671 vs 1573
Specifications (specs) | |
Unlocked | Unlocked vs Locked |
Maximum frequency | 2.9 GHz vs 2.60 GHz |
Benchmarks | |
PassMark - Single thread mark | 1671 vs 1573 |
Compare benchmarks
CPU 1: Intel Xeon E5-4640 v4
CPU 2: AMD EPYC 7251
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | Intel Xeon E5-4640 v4 | AMD EPYC 7251 |
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PassMark - Single thread mark | 1573 | 1671 |
PassMark - CPU mark | 22559 | 14935 |
Compare specifications (specs)
Intel Xeon E5-4640 v4 | AMD EPYC 7251 | |
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Essentials |
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Architecture codename | Broadwell | Zen |
Launch date | Q2'16 | June 2017 |
Place in performance rating | 1197 | 1272 |
Processor Number | E5-4640V4 | |
Series | Intel® Xeon® Processor E5 v4 Family | AMD EPYC 7000 Series |
Status | Launched | |
Vertical segment | Server | Server |
Family | AMD EPYC | |
Performance |
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64 bit support | ||
Base frequency | 2.10 GHz | 2.1 GHz |
Bus Speed | 8 GT/s QPI | |
Manufacturing process technology | 14 nm | 14 nm |
Maximum core temperature | 80 | |
Maximum frequency | 2.60 GHz | 2.9 GHz |
Number of cores | 12 | 8 |
Number of QPI Links | 2 | |
Number of threads | 24 | 16 |
Die size | 192 mm | |
L1 cache | 96 KB (per core) | |
L2 cache | 512 KB (per core) | |
L3 cache | 32 MB | |
Transistor count | 4800 million | |
Unlocked | ||
Memory |
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Max memory channels | 4 | 8 |
Maximum memory bandwidth | 68 GB/s | 307 GB/s |
Maximum memory size | 1.5 TB | |
Supported memory types | DDR4 | DDR4 |
Supported memory frequency | 2400 MHz | |
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 4 | 2 |
Package Size | 45mm x 52.5mm | |
Sockets supported | FCLGA2011-3 | TR4 |
Thermal Design Power (TDP) | 105 Watt | 120 Watt |
Socket Count | 1P/2P | |
Peripherals |
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Max number of PCIe lanes | 40 | |
PCI Express revision | 3.0 | x128 |
PCIe configurations | x4, x8, x16 | |
Scalability | 4S | |
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® OS Guard | ||
Intel® Secure Key technology | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | ||
Idle States | ||
Instruction set extensions | Intel® AVX2 | |
Intel 64 | ||
Intel® AES New Instructions | ||
Intel® Flex Memory Access | ||
Intel® Hyper-Threading technology | ||
Intel® Instruction Replay Technology | ||
Intel® TSX-NI | ||
Intel® Turbo Boost technology | ||
Physical Address Extensions (PAE) | 46-bit | |
Thermal Monitoring | ||
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) | ||
Intel® VT-x with Extended Page Tables (EPT) | ||
AMD Virtualization (AMD-V™) |