AMD EPYC 9334 | AMD EPYC 7773X | |
CPU comparisonAMD EPYC 9334 or AMD EPYC 7773X - 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 9334 has 32 cores with 64 threads and clocks with a maximum frequency of 3.90 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9334 was released in Q4/2022. The AMD EPYC 7773X has 64 cores with 128 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7773X was released in Q2/2022. |
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AMD EPYC (129) | Family | AMD EPYC (129) |
AMD EPYC 9004 (21) | CPU group | AMD EPYC 7003 (29) |
4 | Generation | 3 |
Genoa / Genoa-X (Zen 4) | Architecture | Milan (Zen 3) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 9334 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 9334 is 2.70 GHz (3.90 GHz) while the AMD EPYC 7773X has 64 CPU cores and 128 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7773X is at 2.20 GHz (3.50 GHz). |
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AMD EPYC 9334 | Characteristic | AMD EPYC 7773X |
32 | Cores | 64 |
64 | Threads | 128 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.70 GHz | Frequency | 2.20 GHz |
3.90 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
3.85 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD EPYC 9334 can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 460.8 GB/s. The AMD EPYC 7773X supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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AMD EPYC 9334 | Characteristic | AMD EPYC 7773X |
DDR5-4800 | Memory | DDR4-3200 |
6144 GB | Max. Memory | 4096 GB |
12 | Memory channels | 8 (Octa Channel) |
460.8 GB/s | Max. Bandwidth | 204.8 GB/s |
Yes | ECC | Yes |
32.00 MB | L2 Cache | 32.00 MB |
128.00 MB | L3 Cache | 768.00 MB |
5.0 | PCIe version | 4.0 |
128 | PCIe lanes | 128 |
504.1 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 9334 is 210 W, while the AMD EPYC 7773X has a TDP of 280 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 9334 | Characteristic | AMD EPYC 7773X |
210 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
240 W | TDP up | -- |
200 W | TDP down | 225 W |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD EPYC 9334 is manufactured in 5 nm and has 160.00 MB cache. The AMD EPYC 7773X is manufactured in 7 nm and has a 800.00 MB cache. |
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AMD EPYC 9334 | Characteristic | AMD EPYC 7773X |
5 nm | Technology | 7 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
SP5 | Socket | SP3 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows Server 2022, Linux, Windows 11 | Operating systems | Windows 10, Linux |
Q4/2022 | Release date | Q2/2022 |
2990 $ | Release price | 8800 $ |
show more data | show more data | |
AMD EPYC 9334
32C 64T @ 3.90 GHz |
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
AMD EPYC 9334
32C 64T @ 3.90 GHz |
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
AMD EPYC 9334
32C 64T @ 3.90 GHz |
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
AMD EPYC 9334
32C 64T @ 3.90 GHz |
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AMD EPYC 7773X
64C 128T @ 3.50 GHz |
AMD EPYC 9334
32C 64T @ 3.85 GHz |
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AMD EPYC 7773X
64C 128T @ 2.20 GHz |
AMD EPYC 9334
32C 64T @ 3.85 GHz |
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AMD EPYC 7773X
64C 128T @ 2.20 GHz |
Devices using this processor |
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AMD EPYC 9334 | AMD EPYC 7773X |
Unknown | Unknown |