AMD EPYC Embedded 3451 vs AMD Ryzen 7 8840U
Last updated:
CPU comparison with benchmarks
|
 |
|
| AMD EPYC Embedded 3451 | AMD Ryzen 7 8840U | |
CPU comparisonAMD EPYC Embedded 3451 or AMD Ryzen 7 8840U - 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 Embedded 3451 has 16 cores with 32 threads and clocks with a maximum frequency of 3.00 GHz. Up to 1024 GB of memory is supported in 4 memory channels. The AMD EPYC Embedded 3451 was released in Q1/2018. The AMD Ryzen 7 8840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 7 8840U was released in Q1/2024. |
||
| AMD EPYC (129) | Family | AMD Ryzen 7 (70) |
| AMD EPYC Embedded 3000 (7) | CPU group | AMD Ryzen 8040 (20) |
| 1 | Generation | 7 |
| Snowy Owl (Zen) | Architecture | Hawk Point (Zen 4) |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | AMD Ryzen 7 7840U |
| -- | Successor | -- |
|
|
||
CPU Cores and Base FrequencyThe AMD EPYC Embedded 3451 has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD EPYC Embedded 3451 is 2.14 GHz (3.00 GHz) while the AMD Ryzen 7 8840U has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 7 8840U is at 3.30 GHz (5.10 GHz). |
||
| AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 8840U |
| 16 | Cores | 8 |
| 32 | Threads | 16 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 2.14 GHz | Frequency | 3.30 GHz |
| 3.00 GHz | Turbo Frequency (1 Core) | 5.10 GHz |
| -- | Turbo Frequency (All Cores) | -- |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
||
| AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 8840U |
| -- | AI hardware | AMD Ryzen™ AI |
| -- | AI specifications | AMD Ryzen™ AI (XDNA) @ 16 TOPS |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD EPYC Embedded 3451 or AMD Ryzen 7 8840U 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. |
||
| no iGPU | GPU | AMD Radeon 780M |
| GPU frequency | 0.80 GHz | |
| -- | GPU (Turbo) | 2.70 GHz |
| -- | GPU Generation | 3 |
| Technology | 4 nm | |
| Max. displays | 4 | |
| -- | Compute units | 12 |
| -- | Shader | 768 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | AMD FSR |
| -- | Max. GPU Memory | 32 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. |
||
| no iGPU | GPU | AMD Radeon 780M |
| 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 |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode / Encode |
| No | Codec AVC | Decode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC Embedded 3451 can use up to 1024 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.3 GB/s. The AMD Ryzen 7 8840U supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
||
| AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 8840U |
| DDR4-2666 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
| 1024 GB | Max. Memory | 256 GB |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 85.3 GB/s | Max. Bandwidth | 120.0 GB/s |
| Yes | ECC | Yes |
| 8.00 MB | L2 Cache | 8.00 MB |
| 32.00 MB | L3 Cache | 16.00 MB |
| 3.0 | PCIe version | 4.0 |
| 64 | PCIe lanes | 20 |
| 63.0 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC Embedded 3451 is 100 W, while the AMD Ryzen 7 8840U has a TDP of 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
||
| AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 8840U |
| 100 W | TDP (PL1 / PBP) | 28 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | 30 W |
| 80 W | TDP down | 15 W |
| 105 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD EPYC Embedded 3451 is manufactured in 14 nm and has 40.00 MB cache. The AMD Ryzen 7 8840U is manufactured in 4 nm and has a 24.00 MB cache. |
||
| AMD EPYC Embedded 3451 | Characteristic | AMD Ryzen 7 8840U |
| 14 nm | Technology | 4 nm |
| Chiplet | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
| SP4 | Socket | FP8 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q1/2018 | Release date | Q1/2024 |
| -- | Release price | -- |
| show more data | show more data | |
16C 32T @ 2.14 GHz (3.00 GHz) buy now on Amazon and save!
8C 16T @ 3.30 GHz (5.10 GHz) buy now on Amazon and save!
|
||
Rate these processors
Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
|
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
||
|
AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz |
||
Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
|
|
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
||
|
|
AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz |
||
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
|
|
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
||
|
|
AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz |
||
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
|
|
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
||
|
|
AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz |
||
Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
|
|
AMD EPYC Embedded 3451
16C 32T @ 3.00 GHz |
||
|
|
AMD Ryzen 7 8840U
8C 16T @ 5.10 GHz |
||
Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
|
|
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
||
|
|
AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz |
||
iGPU - FP32 Performance (Single-precision GFLOPS)
The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
|
|
AMD EPYC Embedded 3451
@ 0.00 GHz |
||
|
|
AMD Ryzen 7 8840U
AMD Radeon 780M @ 2.70 GHz |
||
Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
|
|
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
||
|
|
AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz |
||
CPU performance per watt (efficiency)
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
|
|
AMD EPYC Embedded 3451
2.14 GHz |
||
|
|
AMD Ryzen 7 8840U
13,450 CB R23 MC @ 30 W |
||
AI performance (NPU)
The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.
Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
|
|
AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
||
|
|
AMD Ryzen 7 8840U
8C 16T @ 3.30 GHz |
||
Devices using this processor |
|
| AMD EPYC Embedded 3451 | AMD Ryzen 7 8840U |
| Unknown | Unknown |
Popular comparisons containing this CPUs
back to index
