AMD EPYC 9454 | AMD Phenom II X3 B77 | |
CPU comparisonAMD EPYC 9454 or AMD Phenom II X3 B77 - 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 EPYC 9454 has 48 cores with 96 threads and clocks with a maximum frequency of 3.80 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9454 was released in Q4/2022. The AMD Phenom II X3 B77 has 3 cores with 3 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X3 B77 was released in Q2/2010. |
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AMD EPYC (129) | Family | AMD Phenom II (52) |
AMD EPYC 9004 (21) | CPU group | AMD Phenom II - 700 (9) |
4 | Generation | 3 |
Genoa / Genoa-X (Zen 4) | Architecture | Heka (K10) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 9454 has 48 CPU cores and can calculate 96 threads in parallel. The clock frequency of the AMD EPYC 9454 is 2.75 GHz (3.80 GHz) while the AMD Phenom II X3 B77 has 3 CPU cores and 3 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X3 B77 is at 3.20 GHz. |
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AMD EPYC 9454 | Characteristic | AMD Phenom II X3 B77 |
48 | Cores | 3 |
96 | Threads | 3 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
2.75 GHz | Frequency | 3.20 GHz |
3.80 GHz | Turbo Frequency (1 Core) | -- |
3.65 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD EPYC 9454 can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 460.8 GB/s. The AMD Phenom II X3 B77 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 EPYC 9454 | Characteristic | AMD Phenom II X3 B77 |
DDR5-4800 | Memory | DDR3-1333, DDR2-1066 |
6144 GB | Max. Memory | |
12 | Memory channels | 2 (Dual Channel) |
460.8 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
48.00 MB | L2 Cache | -- |
256.00 MB | L3 Cache | 6.00 MB |
5.0 | PCIe version | -- |
128 | PCIe lanes | -- |
504.1 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 9454 is 290 W, while the AMD Phenom II X3 B77 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 9454 | Characteristic | AMD Phenom II X3 B77 |
290 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
300 W | TDP up | -- |
240 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD EPYC 9454 is manufactured in 5 nm and has 304.00 MB cache. The AMD Phenom II X3 B77 is manufactured in 45 nm and has a 6.00 MB cache. |
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AMD EPYC 9454 | Characteristic | AMD Phenom II X3 B77 |
5 nm | Technology | 45 nm |
Chiplet | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI | ISA extensions | SSE3, SSE4a |
SP5 | Socket | AM3 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows Server 2022, Linux, Windows 11 | Operating systems | Windows 10, Linux |
Q4/2022 | Release date | Q2/2010 |
5225 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 9454
48C 96T @ 3.65 GHz |
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AMD Phenom II X3 B77
3C 3T @ 3.20 GHz |
AMD EPYC 9454
48C 96T @ 3.80 GHz |
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AMD Phenom II X3 B77
3C 3T @ 3.20 GHz |
AMD EPYC 9454
48C 96T @ 3.65 GHz |
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AMD Phenom II X3 B77
3C 3T @ 3.20 GHz |
Devices using this processor |
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AMD EPYC 9454 | AMD Phenom II X3 B77 |
Unknown | Unknown |