Core 2 Extreme QX6850 vs Opteron 6220
Aggregate performance score
Opteron 6220 outperforms Core 2 Extreme QX6850 by a whopping 108% 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 | 1949 | 2506 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.21 | no data |
| Market segment | Server | Desktop processor |
| Series | no data | Core 2 Extreme (Desktop) |
| Power efficiency | 1.00 | 0.43 |
| Designer | AMD | Intel |
| Manufacturer | GlobalFoundries | no data |
| Architecture codename | Interlagos (2011−2012) | Kentsfield (2007) |
| Release date | 14 November 2011 (14 years ago) | no data |
| Launch price (MSRP) | $523 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Opteron 6220 and Core 2 Extreme (Desktop) QX6850 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3.6 GHz | 3 GHz |
| Bus rate | no data | 1333 MHz |
| L1 cache | 768 KB | 64K (per core) |
| L2 cache | 2 MB (per module) | 8 MB (shared) |
| L3 cache | 8 MB (per die) | 0 KB |
| Chip lithography | 32 nm | 65 nm |
| Die size | 2x 315 mm2 | 2x 143 mm2 |
| Maximum case temperature (TCase) | 69 °C | 64 °C |
| Number of transistors | 2,400 million | 582 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Opteron 6220 and Core 2 Extreme (Desktop) QX6850 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 | 4 | 1 |
| Socket | G34 | 775 |
| Power consumption (TDP) | 115 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6220 and Core 2 Extreme (Desktop) QX6850. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 6220 and Core 2 Extreme (Desktop) QX6850 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 6220 and Core 2 Extreme (Desktop) QX6850. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Opteron 6220 and Core 2 Extreme (Desktop) QX6850.
| PCIe version | 2.0 | 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 | 2.72 | 1.31 |
| Physical cores | 8 | 4 |
| Threads | 8 | 4 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 115 Watt | 130 Watt |
Opteron 6220 has a 108% higher aggregate performance score, 100% more physical cores and 100% more threads, a 103% more advanced lithography process, and 13% lower power consumption.
The AMD Opteron 6220 is our recommended choice as it beats the Intel Core 2 Extreme QX6850 in performance tests.
Be aware that Opteron 6220 is a server/workstation processor while Core 2 Extreme QX6850 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
