AMD Athlon II X4 635 vs Intel Core i7-3970X
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CPU comparison with benchmarks
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| AMD Athlon II X4 635 | Intel Core i7-3970X | |
CPU comparisonAMD Athlon II X4 635 or Intel Core i7-3970X - 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 AMD Athlon II X4 635 has 4 cores with 4 threads and clocks with a maximum frequency of 2.90 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X4 635 was released in Q1/2010. The Intel Core i7-3970X has 6 cores with 12 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 64 GB of memory in 4 memory channels. The Intel Core i7-3970X was released in Q4/2012. |
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| AMD Athlon II (52) | Family | Intel Core i7 Extreme Edition (24) |
| AMD Athlon II X4 (Propus) (10) | CPU group | Intel Core i 3000X (4) |
| 1 | Generation | 3 |
| Propus | Architecture | Sandy Bridge E |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 635 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Athlon II X4 635 is 2.90 GHz while the Intel Core i7-3970X has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i7-3970X is at 3.50 GHz (4.00 GHz). |
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| AMD Athlon II X4 635 | Characteristic | Intel Core i7-3970X |
| 4 | Cores | 6 |
| 4 | Threads | 12 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | Yes |
| 2.90 GHz | Frequency | 3.50 GHz |
| -- | Turbo Frequency (1 Core) | 4.00 GHz |
| -- | Turbo Frequency (All Cores) | 4.00 GHz |
Memory & PCIeThe AMD Athlon II X4 635 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core i7-3970X supports up to 64 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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| AMD Athlon II X4 635 | Characteristic | Intel Core i7-3970X |
| DDR3-1333 | Memory | DDR3-1600 |
| 16 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 21.3 GB/s | Max. Bandwidth | 51.2 GB/s |
| No | ECC | No |
| 2.00 MB | L2 Cache | -- |
| -- | L3 Cache | 15.00 MB |
| 2.0 | PCIe version | 2.0 |
| -- | PCIe lanes | 40 |
| -- | PCIe Bandwidth | 20.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Athlon II X4 635 is 95 W, while the Intel Core i7-3970X has a TDP of 150 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Athlon II X4 635 | Characteristic | Intel Core i7-3970X |
| 95 W | TDP (PL1 / PBP) | 150 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 635 is manufactured in 45 nm and has 2.00 MB cache. The Intel Core i7-3970X is manufactured in 32 nm and has a 15.00 MB cache. |
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| AMD Athlon II X4 635 | Characteristic | Intel Core i7-3970X |
| 45 nm | Technology | 32 nm |
| Unknown | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| MMX, 3DNow!, SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX |
| AM3 | Socket | LGA 2011 |
| AMD-V | Virtualization | VT-x, VT-x EPT, VT-d (C2 Stepping) |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2010 | Release date | Q4/2012 |
| -- | Release price | 820 $ |
| show more data | show more data | |
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6C 12T @ 3.50 GHz (4.00 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 4.00 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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AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Intel Core i7-3970X
6C 12T @ 3.50 GHz |
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Devices using this processor |
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| AMD Athlon II X4 635 | Intel Core i7-3970X |
| Unknown | Unknown |
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