AMD Ryzen Threadripper PRO 5995WX | AMD Phenom II X4 945 | |
CPU comparisonAMD Ryzen Threadripper PRO 5995WX or AMD Phenom II X4 945 - 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 5995WX has 64 cores with 128 threads and clocks with a maximum frequency of 4.50 GHz. Up to 2048 GB of memory is supported in 8 memory channels. The AMD Ryzen Threadripper PRO 5995WX was released in Q1/2022. The AMD Phenom II X4 945 has 4 cores with 4 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 X4 945 was released in Q2/2009. |
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AMD Ryzen Threadripper PRO (15) | Family | AMD Phenom II (52) |
AMD Ryzen Threadripper PRO 5000 (5) | CPU group | AMD Phenom II - 800/900 (23) |
4 | Generation | 4 |
Chagall (Zen 3) | Architecture | Deneb (K10) |
Desktop / Server | Segment | Desktop / Server |
AMD Ryzen Threadripper PRO 3995WX | Predecessor | -- |
AMD Ryzen Threadripper PRO 7995WX | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen Threadripper PRO 5995WX has 64 CPU cores and can calculate 128 threads in parallel. The clock frequency of the AMD Ryzen Threadripper PRO 5995WX is 2.70 GHz (4.50 GHz) while the AMD Phenom II X4 945 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X4 945 is at 3.00 GHz. |
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AMD Ryzen Threadripper PRO 5995WX | Characteristic | AMD Phenom II X4 945 |
64 | Cores | 4 |
128 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
2.70 GHz | Frequency | 3.00 GHz |
4.50 GHz | Turbo Frequency (1 Core) | -- |
3.20 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD Ryzen Threadripper PRO 5995WX can use up to 2048 GB of memory in 8 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD Phenom II X4 945 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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AMD Ryzen Threadripper PRO 5995WX | Characteristic | AMD Phenom II X4 945 |
DDR4-3200 | Memory | DDR3-1333, DDR2-1066 |
2048 GB | Max. Memory | |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
32.00 MB | L2 Cache | -- |
256.00 MB | L3 Cache | 6.00 MB |
4.0 | PCIe version | -- |
128 | PCIe lanes | -- |
252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen Threadripper PRO 5995WX is 280 W, while the AMD Phenom II X4 945 has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen Threadripper PRO 5995WX | Characteristic | AMD Phenom II X4 945 |
280 W | TDP (PL1 / PBP) | 125 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen Threadripper PRO 5995WX is manufactured in 7 nm and has 288.00 MB cache. The AMD Phenom II X4 945 is manufactured in 45 nm and has a 6.00 MB cache. |
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AMD Ryzen Threadripper PRO 5995WX | Characteristic | AMD Phenom II X4 945 |
7 nm | Technology | 45 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 | SSE3, SSE4a |
WRX8 (sWRX8) | Socket | AM3 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q1/2022 | Release date | Q2/2009 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 4.50 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 3.20 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 4.50 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 3.20 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 3.20 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 4.50 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 3.20 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 4.50 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 3.20 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 2.70 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 4.50 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
AMD Ryzen Threadripper PRO 5995WX
64C 128T @ 3.20 GHz |
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AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
Devices using this processor |
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AMD Ryzen Threadripper PRO 5995WX | AMD Phenom II X4 945 |
Unknown | Unknown |