Ryzen 9 5900HX vs Core 2 Extreme X6800
Aggregate performance score
Ryzen 9 5900HX outperforms Core 2 Extreme X6800 by a whopping 1944% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Extreme (Desktop) X6800 and Ryzen 9 5900HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2705 | 508 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Core 2 Extreme (Desktop) | AMD Cezanne (Zen 3, Ryzen 5000) |
| Power efficiency | 0.88 | 29.83 |
| Architecture codename | Conroe (2006−2007) | Cezanne-H (Zen 3) (2021) |
| Release date | no data (2024 years ago) | 12 January 2021 (3 years ago) |
Detailed specifications
Core 2 Extreme (Desktop) X6800 and Ryzen 9 5900HX 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 2.93 GHz | 4.6 GHz |
| Bus rate | 1066 MHz | no data |
| Multiplier | no data | 33 |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 512K (per core) |
| L3 cache | no data | 16 MB (shared) |
| Chip lithography | 65 nm | 7 nm |
| Die size | no data | 156 mm2 |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | no data | 9,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Core 2 Extreme (Desktop) X6800 and Ryzen 9 5900HX 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 | no data | FP6 |
| Power consumption (TDP) | 75 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) X6800 and Ryzen 9 5900HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA |
| AES-NI | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme (Desktop) X6800 and Ryzen 9 5900HX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme (Desktop) X6800 and Ryzen 9 5900HX. 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 | AMD Radeon RX Vega 8 (Ryzen 4000/5000) |
Peripherals
Specifications and connection of peripherals supported by Core 2 Extreme (Desktop) X6800 and Ryzen 9 5900HX.
| PCIe version | no data | 3.0 |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Pros & cons summary
| Performance score | 0.72 | 14.72 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 65 nm | 7 nm |
| Power consumption (TDP) | 75 Watt | 45 Watt |
Ryzen 9 5900HX has a 1944.4% higher aggregate performance score, 300% more physical cores and 700% more threads, a 828.6% more advanced lithography process, and 66.7% lower power consumption.
The Ryzen 9 5900HX is our recommended choice as it beats the Core 2 Extreme X6800 in performance tests.
Note that Core 2 Extreme X6800 is a desktop processor while Ryzen 9 5900HX is a notebook one.
Should you still have questions on choice between Core 2 Extreme X6800 and Ryzen 9 5900HX, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
