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Note: The information shown below is based on rumors and unoffical information. Technical details or benchmark results may be different in the final version of this processor. |
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AMD EPYC 9845 | AMD Ryzen 5 PRO 7645 | |
CPU comparisonAMD EPYC 9845 or AMD Ryzen 5 PRO 7645 - 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 9845 has 160 cores with 320 threads and clocks with a maximum frequency of 2.00 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9845 was released in Q4/2024. The AMD Ryzen 5 PRO 7645 has 6 cores with 12 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 5 PRO 7645 was released in Q2/2023. |
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AMD EPYC (129) | Family | AMD Ryzen 5 PRO (28) |
AMD EPYC 9005 (21) | CPU group | AMD Ryzen 7000 (14) |
5 | Generation | 6 |
Turin (Zen 5 / Zen 5c) | Architecture | Raphael (Zen 4) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 9845 has 160 CPU cores and can calculate 320 threads in parallel. The clock frequency of the AMD EPYC 9845 is 2.00 GHz while the AMD Ryzen 5 PRO 7645 has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 PRO 7645 is at 3.80 GHz (5.10 GHz). |
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AMD EPYC 9845 | Characteristic | AMD Ryzen 5 PRO 7645 |
160 | Cores | 6 |
320 | Threads | 12 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
2.00 GHz | Frequency | 3.80 GHz |
-- | Turbo Frequency (1 Core) | 5.10 GHz |
-- | Turbo Frequency (All Cores) | 4.50 GHz |
Integrated graphics (iGPU)The AMD EPYC 9845 or AMD Ryzen 5 PRO 7645 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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no iGPU | GPU | AMD Radeon Graphics (Raphael) |
GPU frequency | 0.40 GHz | |
-- | GPU (Turbo) | 2.20 GHz |
-- | GPU Generation | 9 |
Technology | 5 nm | |
Max. displays | 3 | |
-- | Compute units | 2 |
-- | Shader | 128 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 8 GB |
-- | DirectX Version | 12 |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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no iGPU | GPU | AMD Radeon Graphics (Raphael) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 9845 can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 480.0 GB/s. The AMD Ryzen 5 PRO 7645 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s. |
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AMD EPYC 9845 | Characteristic | AMD Ryzen 5 PRO 7645 |
DDR5-6000 | Memory | DDR5-5200 |
6144 GB | Max. Memory | 128 GB |
12 | Memory channels | 2 (Dual Channel) |
480.0 GB/s | Max. Bandwidth | 83.2 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 6.00 MB |
320.00 MB | L3 Cache | 32.00 MB |
5.0 | PCIe version | 5.0 |
128 | PCIe lanes | 24 |
504.1 GB/s | PCIe Bandwidth | 94.5 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 9845 is 400 W, while the AMD Ryzen 5 PRO 7645 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 9845 | Characteristic | AMD Ryzen 5 PRO 7645 |
400 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | 88 W |
-- | TDP up | 142 W |
-- | TDP down | -- |
100 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD EPYC 9845 is manufactured in 4 nm and has 320.00 MB cache. The AMD Ryzen 5 PRO 7645 is manufactured in 5 nm and has a 38.00 MB cache. |
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AMD EPYC 9845 | Characteristic | AMD Ryzen 5 PRO 7645 |
4 nm | Technology | 5 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,FMA3, AVX2, AVX512 |
SP5 | Socket | AM5 (LGA 1718) |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows Server 2022, Linux, Windows 11 | Operating systems | Windows 10, Windows 11, Linux |
Q4/2024 | Release date | Q2/2023 |
-- | Release price | -- |
show more data | show more data | |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 5.10 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
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AMD EPYC 9845
@ 0.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
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AMD EPYC 9845
160C 320T @ 2.00 GHzNot verified |
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AMD Ryzen 5 PRO 7645
6C 12T @ 4.50 GHz |
Devices using this processor |
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AMD EPYC 9845 | AMD Ryzen 5 PRO 7645 |
Unknown | Unknown |