Ryzen 9 3900XT vs EPYC 7282
Aggregate performance score
Ryzen 9 3900XT outperforms EPYC 7282 by a small 7% 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 | 450 | 399 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 11.81 | 21.42 |
| Market segment | Server | Desktop processor |
| Series | AMD EPYC | AMD Ryzen 9 |
| Power efficiency | 6.09 | 7.46 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Zen 2 (2019−2020) | Matisse 2 (2020) |
| Release date | 7 August 2019 (6 years ago) | 7 July 2020 (5 years ago) |
| Launch price (MSRP) | $650 | $499 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen 9 3900XT has 81% better value for money than EPYC 7282.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of EPYC 7282 and Ryzen 9 3900XT: 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 | 16 (Hexadeca-Core) | 12 (Dodeca-Core) |
| Threads | 32 | 24 |
| Base clock speed | 2.8 GHz | 3.8 GHz |
| Boost clock speed | 3.2 GHz | 4.7 GHz |
| Multiplier | 28 | no data |
| L1 cache | 1 MB | 96K (per core) |
| L2 cache | 8 MB | 512K (per core) |
| L3 cache | 64 MB | 64 MB |
| Chip lithography | 7 nm, 14 nm | 7 nm, 12 nm |
| Die size | 2x 74 mm2 | 74 mm2 |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 7,600 million | 3,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC 7282 and Ryzen 9 3900XT 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 | 2 (Multiprocessor) | 1 |
| Socket | SP3 | AM4 |
| Power consumption (TDP) | 120 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7282 and Ryzen 9 3900XT. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7282 and Ryzen 9 3900XT are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7282 and Ryzen 9 3900XT. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR4-3200 |
| Maximum memory size | 4 TiB | 128 GB |
| Max memory channels | 8 | 2 |
| Maximum memory bandwidth | 204.763 GB/s | 51.196 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | - |
Peripherals
Specifications and connection of peripherals supported by EPYC 7282 and Ryzen 9 3900XT.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 128 | no data |
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 17.31 | 18.57 |
| Recency | 7 August 2019 | 7 July 2020 |
| Physical cores | 16 | 12 |
| Threads | 32 | 24 |
| Power consumption (TDP) | 120 Watt | 105 Watt |
EPYC 7282 has 33% more physical cores and 33% more threads.
Ryzen 9 3900XT, on the other hand, has a 7% higher aggregate performance score, an age advantage of 11 months, and 14% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between AMD EPYC 7282 and AMD Ryzen 9 3900XT.
Be aware that EPYC 7282 is a server/workstation processor while Ryzen 9 3900XT is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
