Ryzen 9 7840HX vs EPYC 9734
Primary details
Comparing EPYC 9734 and Ryzen 9 7840HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Architecture codename | Bergamo (2023) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 13 June 2023 (1 year ago) | 17 January 2024 (less than a year ago) |
| Launch price (MSRP) | $9,600 | no data |
Detailed specifications
EPYC 9734 and Ryzen 9 7840HX 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 | 112 | 12 (Dodeca-Core) |
| Threads | 224 | 24 |
| Base clock speed | 2.2 GHz | 2.9 GHz |
| Boost clock speed | 3 GHz | 5.1 GHz |
| L1 cache | 64 KB (per core) | 768 KB |
| L2 cache | 1 MB (per core) | 12 MB |
| L3 cache | 256 MB (shared) | 64 MB |
| Chip lithography | 5 nm | 5 nm |
| Die size | 8x 73 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 71,000 million | 9900 Million |
| 64 bit support | + | + |
Compatibility
Information on EPYC 9734 and Ryzen 9 7840HX 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 | no data |
| Socket | SP5 | FL1 |
| Power consumption (TDP) | 340 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9734 and Ryzen 9 7840HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9734 and Ryzen 9 7840HX are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9734 and Ryzen 9 7840HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by EPYC 9734 and Ryzen 9 7840HX.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 128 | no data |
Pros & cons summary
| Recency | 13 June 2023 | 17 January 2024 |
| Physical cores | 112 | 12 |
| Threads | 224 | 24 |
| Power consumption (TDP) | 340 Watt | 55 Watt |
EPYC 9734 has 833.3% more physical cores and 833.3% more threads.
Ryzen 9 7840HX, on the other hand, has an age advantage of 7 months, and 518.2% lower power consumption.
We couldn't decide between EPYC 9734 and Ryzen 9 7840HX. We've got no test results to judge.
Be aware that EPYC 9734 is a server/workstation processor while Ryzen 9 7840HX is a notebook one.
Should you still have questions on choice between EPYC 9734 and Ryzen 9 7840HX, ask them in Comments section, and we shall answer.
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