Xeon Platinum 8280 vs Phenom II X4 840
Aggregate performance score
Xeon Platinum 8280 outperforms Phenom II X4 840 by a whopping 1267% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X4 840 and Xeon Platinum 8280 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2030 | 235 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.08 | 5.15 |
| Market segment | Desktop processor | Server |
| Series | no data | Intel Xeon Platinum |
| Architecture codename | Propus (2009−2011) | Cascade Lake-SP (2019) |
| Release date | 4 January 2011 (13 years ago) | 11 December 2018 (5 years ago) |
| Launch price (MSRP) | $90 | $10,009 |
| Current price | $40 (0.4x MSRP) | $4715 (0.5x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Platinum 8280 has 67% better value for money than Phenom II X4 840.
Detailed specifications
Phenom II X4 840 and Xeon Platinum 8280 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) | 28 (Octacosa-Core) |
| Threads | 4 | 56 |
| Base clock speed | 3.2 GHz | 2.7 GHz |
| Boost clock speed | 3.2 GHz | 4 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 38.5 MB (shared) |
| Chip lithography | 45 nm | 14 nm |
| Die size | 169 mm2 | no data |
| Maximum core temperature | no data | 84 °C |
| Number of transistors | 300 million | 8,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Phenom II X4 840 and Xeon Platinum 8280 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 | 8 (Multiprocessor) |
| Socket | AM3 | FCLGA3647 |
| Power consumption (TDP) | 95 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 840 and Xeon Platinum 8280. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | no data | + |
| AVX | no data | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | no data | + |
| Turbo Boost Max 3.0 | no data | - |
| Status | no data | Launched |
Security technologies
Phenom II X4 840 and Xeon Platinum 8280 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 840 and Xeon Platinum 8280 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 840 and Xeon Platinum 8280. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-2933 |
| Maximum memory size | no data | 1 TB |
| Max memory channels | no data | 6 |
| Maximum memory bandwidth | no data | 140.8 GB/s |
| ECC memory support | no data | + |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 840 and Xeon Platinum 8280.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | no data | 48 |
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.
Xeon Platinum 8280 outperforms Phenom II X4 840 by 1267% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Xeon Platinum 8280 outperforms Phenom II X4 840 by 1264% in Passmark.
Pros & cons summary
| Performance score | 1.55 | 21.19 |
| Recency | 4 January 2011 | 11 December 2018 |
| Physical cores | 4 | 28 |
| Threads | 4 | 56 |
| Cost | $90 | $10009 |
| Chip lithography | 45 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 205 Watt |
The Xeon Platinum 8280 is our recommended choice as it beats the Phenom II X4 840 in performance tests.
Note that Phenom II X4 840 is a desktop processor while Xeon Platinum 8280 is a server/workstation one.
Should you still have questions on choice between Phenom II X4 840 and Xeon Platinum 8280, ask them in Comments section, and we shall answer.
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