AMD Ryzen Threadripper PRO 3975WX | AMD Athlon II X4 740 | |
CPU comparisonAMD Ryzen Threadripper PRO 3975WX or AMD Athlon II X4 740 - 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 Ryzen Threadripper PRO 3975WX has 32 cores with 64 threads and clocks with a maximum frequency of 4.20 GHz. Up to 2048 GB of memory is supported in 8 memory channels. The AMD Ryzen Threadripper PRO 3975WX was released in Q3/2020. The AMD Athlon II X4 740 has 4 cores with 4 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 740 was released in Q4/2012. |
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AMD Ryzen Threadripper PRO (15) | Family | AMD Athlon II (52) |
AMD Ryzen Threadripper PRO 3000 (4) | CPU group | AMD Athlon II X4 (Trinity) (2) |
3 | Generation | 3 |
Castle Peak (Zen 2) | Architecture | Trinity |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Athlon II X4 640 |
AMD Ryzen Threadripper PRO 5975WX | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen Threadripper PRO 3975WX is a 32 core processor with a clock frequency of 3.50 GHz (4.20 GHz). The AMD Athlon II X4 740 has 4 CPU cores with a clock frequency of 3.20 GHz (3.70 GHz). |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD Athlon II X4 740 |
32 | Cores | 4 |
64 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | No |
3.50 GHz | Frequency | 3.20 GHz |
4.20 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
3.75 GHz | Turbo Frequency (All Cores) | 3.70 GHz |
Memory & PCIeThe AMD Ryzen Threadripper PRO 3975WX supports a maximum of 2048 GB of memory in 8 memory channels. The AMD Athlon II X4 740 can connect up to 16 GB of memory in 2 memory channels. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD Athlon II X4 740 |
DDR4-3200 | Memory | DDR3-1866 |
2048 GB | Max. Memory | 16 GB |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 29.9 GB/s |
Yes | ECC | No |
16.00 MB | L2 Cache | 4.00 MB |
128.00 MB | L3 Cache | -- |
4.0 | PCIe version | -- |
128 | PCIe lanes | -- |
252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen Threadripper PRO 3975WX has a TDP of 280 W, that of the AMD Athlon II X4 740 is 65 W. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD Athlon II X4 740 |
280 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen Threadripper PRO 3975WX has a 144.00 MB cache, while the AMD Athlon II X4 740 cache has a total of 4.00 MB. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD Athlon II X4 740 |
7 nm | Technology | 32 nm |
Chiplet | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
WRX8 (sWRX8) | Socket | FM2 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q3/2020 | Release date | Q4/2012 |
2749 $ | Release price | 60 $ |
show more data | show more data | |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.50 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.20 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD Athlon II X4 740
4C 4T @ 3.70 GHz |
Devices using this processor |
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AMD Ryzen Threadripper PRO 3975WX | AMD Athlon II X4 740 |
Unknown | Unknown |