AMD E-450 | AMD EPYC 7551 | |
CPU comparisonAMD E-450 or AMD EPYC 7551 - 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 E-450 has 2 cores with 2 threads and clocks with a maximum frequency of 1.65 GHz. Up to 8 GB of memory is supported in 1 memory channels. The AMD E-450 was released in Q3/2011. The AMD EPYC 7551 has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7551 was released in Q3/2017. |
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AMD E (23) | Family | AMD EPYC (129) |
AMD E/E1/E2-1000 (5) | CPU group | AMD EPYC 7001 (12) |
1 | Generation | 1 |
Zacate (Bobcat) | Architecture | Naples (Zen) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD EPYC 7552 |
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CPU Cores and Base FrequencyThe AMD E-450 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD E-450 is 1.65 GHz while the AMD EPYC 7551 has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7551 is at 2.00 GHz (3.00 GHz). |
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AMD E-450 | Characteristic | AMD EPYC 7551 |
2 | Cores | 32 |
2 | Threads | 64 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
1.65 GHz | Frequency | 2.00 GHz |
-- | Turbo Frequency (1 Core) | 3.00 GHz |
-- | Turbo Frequency (All Cores) | 2.55 GHz |
Internal GraphicsThe AMD E-450 or AMD EPYC 7551 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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AMD Radeon HD 6320 | GPU | no iGPU |
0.51 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
3 | GPU Generation | -- |
40 nm | Technology | |
2 | Max. displays | |
1 | Compute units | -- |
80 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
1 GB | Max. GPU Memory | -- |
11 | DirectX Version | -- |
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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AMD Radeon HD 6320 | GPU | no iGPU |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode | Codec h264 | No |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD E-450 can use up to 8 GB of memory in 1 memory channels. The maximum memory bandwidth is 10.7 GB/s. The AMD EPYC 7551 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 170.6 GB/s. |
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AMD E-450 | Characteristic | AMD EPYC 7551 |
DDR3-1333 | Memory | DDR4-2666 |
8 GB | Max. Memory | |
1 (Single Channel) | Memory channels | 8 (Octa Channel) |
10.7 GB/s | Max. Bandwidth | 170.6 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
1.00 MB | L3 Cache | 64.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD E-450 is 18 W, while the AMD EPYC 7551 has a TDP of 180 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD E-450 | Characteristic | AMD EPYC 7551 |
18 W | TDP (PL1 / PBP) | 180 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD E-450 is manufactured in 32 nm and has 1.00 MB cache. The AMD EPYC 7551 is manufactured in 14 nm and has a 64.00 MB cache. |
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AMD E-450 | Characteristic | AMD EPYC 7551 |
32 nm | Technology | 14 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
BGA 413 | Socket | SP3 |
AMD-V | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Linux | |
Q3/2011 | Release date | Q3/2017 |
-- | Release price | 3200 $ |
show more data | show more data | |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
AMD E-450
AMD Radeon HD 6320 @ 0.51 GHz |
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AMD EPYC 7551
@ 0.00 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 2.00 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 3.00 GHz |
AMD E-450
2C 2T @ 1.65 GHz |
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AMD EPYC 7551
32C 64T @ 2.55 GHz |
Devices using this processor |
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AMD E-450 | AMD EPYC 7551 |
Unknown | Unknown |