Phenom II X4 820 vs Ryzen Threadripper PRO 7995WX
Aggregate performance score
Ryzen Threadripper PRO 7995WX outperforms Phenom II X4 820 by a whopping 7282% based on our aggregate benchmark results.
Primary details
Comparing Ryzen Threadripper PRO 7995WX and Phenom II X4 820 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2 | 2271 |
| Place by popularity | 3 | not in top-100 |
| Cost-effectiveness evaluation | 3.30 | 2.10 |
| Market segment | Server | Desktop processor |
| Power efficiency | 26.01 | 1.30 |
| Architecture codename | Storm Peak (2023) | Deneb (2009−2011) |
| Release date | 19 October 2023 (1 year ago) | 1 September 2009 (15 years ago) |
| Launch price (MSRP) | $9,999 | $90 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Ryzen Threadripper PRO 7995WX has 57% better value for money than Phenom II X4 820.
Detailed specifications
Ryzen Threadripper PRO 7995WX and Phenom II X4 820 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 | 96 | 4 (Quad-Core) |
| Threads | 192 | 4 |
| Base clock speed | 2.5 GHz | 2.8 GHz |
| Boost clock speed | 5.1 GHz | 2.8 GHz |
| L1 cache | 64 KB (per core) | 128 KB (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 384 MB (shared) | 4 MB (shared) |
| Chip lithography | 5 nm | 45 nm |
| Die size | Compute Die (CCD) Size 71 mm2, I/O Die (IOD) Size 388 mm2 mm2 | 258 mm2 |
| Maximum core temperature | 95 °C | no data |
| Number of transistors | 78,840 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen Threadripper PRO 7995WX and Phenom II X4 820 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 | 1 | 1 |
| Socket | sTR5 | AM3 |
| Power consumption (TDP) | 350 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper PRO 7995WX and Phenom II X4 820. 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, AES, AVX, AVX2, AVX-512, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2 | no data |
| AES-NI | + | - |
| AVX | + | - |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 7995WX and Phenom II X4 820 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 7995WX and Phenom II X4 820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper PRO 7995WX and Phenom II X4 820.
| PCIe version | 5.0 | 2.0 |
| PCI Express lanes | 128 | no data |
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.
Pros & cons summary
| Performance score | 96.70 | 1.31 |
| Recency | 19 October 2023 | 1 September 2009 |
| Physical cores | 96 | 4 |
| Threads | 192 | 4 |
| Chip lithography | 5 nm | 45 nm |
| Power consumption (TDP) | 350 Watt | 95 Watt |
Ryzen Threadripper PRO 7995WX has a 7281.7% higher aggregate performance score, an age advantage of 14 years, 2300% more physical cores and 4700% more threads, and a 800% more advanced lithography process.
Phenom II X4 820, on the other hand, has 268.4% lower power consumption.
The Ryzen Threadripper PRO 7995WX is our recommended choice as it beats the Phenom II X4 820 in performance tests.
Be aware that Ryzen Threadripper PRO 7995WX is a server/workstation processor while Phenom II X4 820 is a desktop one.
Should you still have questions on choice between Ryzen Threadripper PRO 7995WX and Phenom II X4 820, 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.
