AMD Phenom II X2 521 | Intel Core i7-5960X | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X2 521 and the Intel Core i7-5960X and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X2 521 2 core processor released in Q2/2011 with the Intel Core i7-5960X which has 8 CPU cores and was introduced in Q3/2014. |
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AMD Phenom II (52) | Family | Intel Core i7 Extreme Edition (24) |
AMD Phenom II - 500 (2) | CPU group | Intel Core i 5000X (3) |
1 | Generation | 5 |
Regor (K10) | Architecture | Haswell E |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | Intel Core i7-4960X |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X2 521 is a 2 core processor with a clock frequency of 3.50 GHz. The processor can compute 2 threads at the same time. The Intel Core i7-5960X clocks with 3.00 GHz (3.50 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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AMD Phenom II X2 521 | Characteristic | Intel Core i7-5960X |
2 | Cores | 8 |
2 | Threads | 16 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.50 GHz | Frequency | 3.00 GHz |
-- | Turbo Frequency (1 Core) | 3.50 GHz |
-- | Turbo Frequency (All Cores) | 3.20 GHz |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 521, while the Intel Core i7-5960X supports a maximum of 64 GB of memory with a maximum memory bandwidth of 68.2 GB/s enabled. |
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AMD Phenom II X2 521 | Characteristic | Intel Core i7-5960X |
DDR3-1333, DDR2-1066 | Memory | DDR4-2133 |
Max. Memory | 64 GB | |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
21.3 GB/s | Max. Bandwidth | 68.2 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | 20.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 40 |
-- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe AMD Phenom II X2 521 has a TDP of 65 W. The TDP of the Intel Core i7-5960X is 140 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X2 521 | Characteristic | Intel Core i7-5960X |
65 W | TDP (PL1 / PBP) | 140 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X2 521 has 2.00 MB cache and is manufactured in 45 nm. The cache of Intel Core i7-5960X is at 20.00 MB. The processor is manufactured in 22 nm. |
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AMD Phenom II X2 521 | Characteristic | Intel Core i7-5960X |
45 nm | Technology | 22 nm |
Unknown | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX2 |
AM3 | Socket | LGA 2011-3 |
AMD-V | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2011 | Release date | Q3/2014 |
35 $ | Release price | 829 $ |
show more data | show more data | |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.50 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.50 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.50 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.50 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.50 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.20 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Core i7-5960X
8C 16T @ 3.00 GHz |
Devices using this processor |
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AMD Phenom II X2 521 | Intel Core i7-5960X |
Unknown | Unknown |