Intel Core i7-3970X vs AMD Phenom II X2 B55
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CPU comparison with benchmarks
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| Intel Core i7-3970X | AMD Phenom II X2 B55 | |
CPU comparisonIntel Core i7-3970X or AMD Phenom II X2 B55 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core i7-3970X has 6 cores with 12 threads and clocks with a maximum frequency of 4.00 GHz. Up to 64 GB of memory is supported in 4 memory channels. The Intel Core i7-3970X was released in Q4/2012. The AMD Phenom II X2 B55 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X2 B55 was released in Q4/2009. |
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| Intel Core i7 Extreme Edition (24) | Family | AMD Phenom II (52) |
| Intel Core i 3000X (4) | CPU group | AMD Phenom II - 545 (9) |
| 3 | Generation | 2 |
| Sandy Bridge E | Architecture | Callisto (K10) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-3970X has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i7-3970X is 3.50 GHz (4.00 GHz) while the AMD Phenom II X2 B55 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X2 B55 is at 3.00 GHz. |
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| Intel Core i7-3970X | Characteristic | AMD Phenom II X2 B55 |
| 6 | Cores | 2 |
| 12 | Threads | 2 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| Yes | Overclocking ? | Yes |
| 3.50 GHz | Frequency | 3.00 GHz |
| 4.00 GHz | Turbo Frequency (1 Core) | -- |
| 4.00 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core i7-3970X can use up to 64 GB of memory in 4 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD Phenom II X2 B55 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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| Intel Core i7-3970X | Characteristic | AMD Phenom II X2 B55 |
| DDR3-1600 | Memory | DDR3-1333, DDR2-1066 |
| 64 GB | Max. Memory | |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 51.2 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 15.00 MB | L3 Cache | 6.00 MB |
| 2.0 | PCIe version | -- |
| 40 | PCIe lanes | -- |
| 20.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-3970X is 150 W, while the AMD Phenom II X2 B55 has a TDP of 80 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i7-3970X | Characteristic | AMD Phenom II X2 B55 |
| 150 W | TDP (PL1 / PBP) | 80 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-3970X is manufactured in 32 nm and has 15.00 MB cache. The AMD Phenom II X2 B55 is manufactured in 45 nm and has a 6.00 MB cache. |
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| Intel Core i7-3970X | Characteristic | AMD Phenom II X2 B55 |
| 32 nm | Technology | 45 nm |
| Monolithic | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX | ISA extensions | SSE3, SSE4a |
| LGA 2011 | Socket | AM3 |
| VT-x, VT-x EPT, VT-d (C2 Stepping) | Virtualization | AMD-V |
| Yes | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q4/2012 | Release date | Q4/2009 |
| 820 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks
Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core i7-3970X
6C 12T @ 3.50 GHz |
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AMD Phenom II X2 B55
2C 2T @ 3.00 GHz |
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Devices using this processor |
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| Intel Core i7-3970X | AMD Phenom II X2 B55 |
| Unknown | Unknown |
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