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AMD Phenom II X4 B99 | AMD Ryzen Threadripper PRO 5955WX | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 B99 and the AMD Ryzen Threadripper PRO 5955WX and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 B99 4 core processor released in Q2/2010 with the AMD Ryzen Threadripper PRO 5955WX which has 16 CPU cores and was introduced in Q1/2022. |
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AMD Phenom II (52) | Family | AMD Ryzen Threadripper PRO (15) |
AMD Phenom II - 800/900 (23) | CPU group | AMD Ryzen Threadripper PRO 5000 (5) |
4 | Generation | 4 |
Deneb (K10) | Architecture | Chagall (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen Threadripper PRO 3955WX |
-- | Successor | AMD Ryzen Threadripper PRO 7955WX |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 B99 is a 4 core processor with a clock frequency of 3.30 GHz. The processor can compute 4 threads at the same time. The AMD Ryzen Threadripper PRO 5955WX clocks with 4.00 GHz (4.50 GHz), has 16 CPU cores and can calculate 32 threads in parallel. |
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AMD Phenom II X4 B99 | Characteristic | AMD Ryzen Threadripper PRO 5955WX |
4 | Cores | 16 |
4 | Threads | 32 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.30 GHz | Frequency | 4.00 GHz |
-- | Turbo Frequency (1 Core) | 4.50 GHz |
-- | Turbo Frequency (All Cores) | 4.20 GHz |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 B99, while the AMD Ryzen Threadripper PRO 5955WX supports a maximum of 2048 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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AMD Phenom II X4 B99 | Characteristic | AMD Ryzen Threadripper PRO 5955WX |
DDR3-1333, DDR2-1066 | Memory | DDR4-3200 |
Max. Memory | 2048 GB | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
21.3 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | 8.00 MB |
6.00 MB | L3 Cache | 64.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe AMD Phenom II X4 B99 has a TDP of 95 W. The TDP of the AMD Ryzen Threadripper PRO 5955WX is 280 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X4 B99 | Characteristic | AMD Ryzen Threadripper PRO 5955WX |
95 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe AMD Phenom II X4 B99 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Ryzen Threadripper PRO 5955WX is at 72.00 MB. The processor is manufactured in 7 nm. |
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AMD Phenom II X4 B99 | Characteristic | AMD Ryzen Threadripper PRO 5955WX |
45 nm | Technology | 7 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
AM3 | Socket | WRX8 (sWRX8) |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2010 | Release date | Q1/2022 |
-- | Release price | -- |
show more data | show more data | |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.20 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.20 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.20 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.50 GHz |
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AMD Phenom II X4 B99
4C 4T @ 3.30 GHz |
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AMD Ryzen Threadripper PRO 5955WX
16C 32T @ 4.20 GHz |
Devices using this processor |
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AMD Phenom II X4 B99 | AMD Ryzen Threadripper PRO 5955WX |
Unknown | Unknown |