EPYC 7662 vs Ryzen 5 3450U
Aggregate performance score
EPYC 7662 outperforms Ryzen 5 3450U by a whopping 1005% 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 | 1622 | 79 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Picasso (Ryzen 3000 APU) | AMD EPYC |
| Power efficiency | 10.51 | 7.74 |
| Designer | AMD | AMD |
| Architecture codename | Picasso-U (Zen+) (2019−2020) | Zen 2 (2017−2020) |
| Release date | 1 May 2020 (5 years ago) | 19 February 2020 (5 years ago) |
Detailed specifications
Ryzen 5 3450U and EPYC 7662 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 | 4 (Quad-Core) | 64 (Tetrahexaconta-Core) |
| Threads | 8 | 128 |
| Base clock speed | 2.1 GHz | 2 GHz |
| Boost clock speed | 3.5 GHz | 3.3 GHz |
| Multiplier | no data | 20 |
| L1 cache | 384 KB | 4 MB |
| L2 cache | 2 MB | 32 MB |
| L3 cache | 4 MB | 256 MB |
| Chip lithography | 12 nm | 7 nm, 14 nm |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 4500 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Ryzen 5 3450U and EPYC 7662 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.
| Socket | FP5 | Socket SP3 |
| Power consumption (TDP) | 15 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 3450U and EPYC 7662. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 3450U and EPYC 7662 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 3450U and EPYC 7662. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4-3200 |
| Maximum memory size | no data | 4 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 204.763 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 2000/3000) ( - 1200 MHz) | 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.
Pros & cons summary
| Performance score | 3.71 | 41.00 |
| Recency | 1 May 2020 | 19 February 2020 |
| Physical cores | 4 | 64 |
| Threads | 8 | 128 |
| Chip lithography | 12 nm | 7 nm |
| Power consumption (TDP) | 15 Watt | 225 Watt |
Ryzen 5 3450U has an age advantage of 2 months, and 1400% lower power consumption.
EPYC 7662, on the other hand, has a 1005.1% higher aggregate performance score, 1500% more physical cores and 1500% more threads, and a 71.4% more advanced lithography process.
The AMD EPYC 7662 is our recommended choice as it beats the AMD Ryzen 5 3450U in performance tests.
Be aware that Ryzen 5 3450U is a notebook processor while EPYC 7662 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
