EPYC 7643P vs Xeon E7450
Aggregate performance score
EPYC 7643P outperforms Xeon E7450 by a whopping 678% 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 | 1247 | 57 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 16.55 |
| Market segment | Server | Server |
| Power efficiency | 2.65 | 8.26 |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | no data | Milan (2021−2023) |
| Release date | 1 July 2008 (17 years ago) | 5 September 2023 (1 year ago) |
| Launch price (MSRP) | no data | $2,722 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon E7450 and EPYC 7643P basic parameters such as 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 | no data | 48 (Octatetraconta-Core) |
| Threads | no data | 96 |
| Base clock speed | 2.4 GHz | 2.3 GHz |
| Boost clock speed | no data | 3.6 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | 12 MB L3 Cache | 256 MB (shared) |
| Chip lithography | 45 nm | 7 nm |
| Die size | no data | 8x 81 mm2 |
| Maximum core temperature | 68 °C | no data |
| Number of transistors | no data | 33,200 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
| VID voltage range | 0.9V-1.45V | no data |
Compatibility
Information on Xeon E7450 and EPYC 7643P 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 | 1 |
| Socket | PGA604 | SP3 |
| Power consumption (TDP) | 90 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E7450 and EPYC 7643P. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | + | no data |
| FSB parity | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Xeon E7450 and EPYC 7643P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E7450 and EPYC 7643P are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E7450 and EPYC 7643P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon E7450 and EPYC 7643P.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Synthetic benchmark performance
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 | 5.63 | 43.82 |
| Recency | 1 July 2008 | 5 September 2023 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 90 Watt | 225 Watt |
Xeon E7450 has 150% lower power consumption.
EPYC 7643P, on the other hand, has a 678.3% higher aggregate performance score, an age advantage of 15 years, and a 542.9% more advanced lithography process.
The AMD EPYC 7643P is our recommended choice as it beats the Intel Xeon E7450 in performance tests.
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