Xeon 6740P vs EPYC 7662
Aggregate performance score
Xeon 6740P outperforms EPYC 7662 by a significant 25% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 88 | 51 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 9.58 |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 7.75 | 8.10 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Zen 2 (2019−2020) | Granite Rapids (2024−2026) |
| Release date | 19 February 2020 (6 years ago) | 24 February 2025 (1 year ago) |
| Launch price (MSRP) | no data | $4,650 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of EPYC 7662 and Xeon 6740P: number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 64 (Tetrahexaconta-Core) | 48 (Octatetraconta-Core) |
| Threads | 128 | 96 |
| Base clock speed | 2 GHz | 2.1 GHz |
| Boost clock speed | 3.3 GHz | 3.8 GHz |
| Multiplier | 20 | no data |
| L1 cache | 4 MB | 112 KB (per core) |
| L2 cache | 32 MB | 2 MB (per core) |
| L3 cache | 256 MB | 288 MB (shared) |
| Chip lithography | 7 nm, 14 nm | Intel 3 nm |
| Die size | no data | 2x 598 mm2 |
| Maximum case temperature (TCase) | no data | 75 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on EPYC 7662 and Xeon 6740P compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | no data | 2 |
| Socket | Socket SP3 | FCLGA4710 |
| Power consumption (TDP) | 225 Watt | 270 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7662 and Xeon 6740P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
EPYC 7662 and Xeon 6740P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7662 and Xeon 6740P are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7662 and Xeon 6740P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5(6400MT/s) |
| Maximum memory size | 4 TiB | 4 TB |
| Max memory channels | 8 | 8 |
| Maximum memory bandwidth | 204.763 GB/s | no data |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC 7662 and Xeon 6740P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 41.31 | 51.81 |
| Recency | 19 February 2020 | 24 February 2025 |
| Physical cores | 64 | 48 |
| Threads | 128 | 96 |
| Power consumption (TDP) | 225 Watt | 270 Watt |
EPYC 7662 has 33% more physical cores and 33% more threads, and 20% lower power consumption.
Xeon 6740P, on the other hand, has a 25% higher aggregate performance score, and an age advantage of 5 years.
The Intel Xeon 6740P is our recommended choice as it beats the AMD EPYC 7662 in performance tests.
Other comparisons
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