Raspberry Pi 4 B (Broadcom BCM2711) vs AMD Athlon II X4 645
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CPU comparison with benchmarks
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| Raspberry Pi 4 B (Broadcom BCM2711) | AMD Athlon II X4 645 | |
CPU comparisonRaspberry Pi 4 B (Broadcom BCM2711) or AMD Athlon II X4 645 - 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 Raspberry Pi 4 B (Broadcom BCM2711) has 4 cores with 4 threads and clocks with a maximum frequency of 1.50 GHz. Up to 8 GB of memory is supported in 1 memory channels. The Raspberry Pi 4 B (Broadcom BCM2711) was released in 06/2019. The AMD Athlon II X4 645 has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 645 was released in Q3/2010. |
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| Broadcom BCM (3) | Family | AMD Athlon II (52) |
| Broadcom BCM2711 (1) | CPU group | AMD Athlon II X4 (Propus) (10) |
| 4 | Generation | 1 |
| Cortex-A72 | Architecture | Propus |
| Desktop / Server | Segment | Desktop / Server |
| Raspberry Pi 3 B+ (Broadcom BCM2837B0) | Predecessor | -- |
| Raspberry Pi 5 B (Broadcom BCM2712) | Successor | -- |
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CPU Cores and Base FrequencyThe Raspberry Pi 4 B (Broadcom BCM2711) has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Raspberry Pi 4 B (Broadcom BCM2711) is 1.50 GHz while the AMD Athlon II X4 645 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X4 645 is at 3.10 GHz. |
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| Raspberry Pi 4 B (Broadcom BCM2711) | Characteristic | AMD Athlon II X4 645 |
| 4 | Cores | 4 |
| 4 | Threads | 4 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| Yes | Overclocking ? | No |
| 1.50 GHz | Frequency | 3.10 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The Raspberry Pi 4 B (Broadcom BCM2711) or AMD Athlon II X4 645 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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| Broadcom VideoCore VI | GPU | no iGPU |
| 0.50 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 6 | GPU Generation | -- |
| 28 nm | Technology | |
| 2 | Max. displays | |
| 4 | Compute units | -- |
| 64 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| -- | 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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| Broadcom VideoCore VI | GPU | no iGPU |
| Decode | Codec h265 / HEVC (8 bit) | No |
| Decode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Raspberry Pi 4 B (Broadcom BCM2711) can use up to 8 GB of memory in 1 memory channels. The maximum memory bandwidth is 12.8 GB/s. The AMD Athlon II X4 645 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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| Raspberry Pi 4 B (Broadcom BCM2711) | Characteristic | AMD Athlon II X4 645 |
| LPDDR4-3200 | Memory | DDR3-1333 |
| 8 GB | Max. Memory | 16 GB |
| 1 (Single Channel) | Memory channels | 2 (Dual Channel) |
| 12.8 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| 1.00 MB | L2 Cache | 2.00 MB |
| -- | L3 Cache | -- |
| -- | PCIe version | 2.0 |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Raspberry Pi 4 B (Broadcom BCM2711) is 7.5 W, while the AMD Athlon II X4 645 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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| Raspberry Pi 4 B (Broadcom BCM2711) | Characteristic | AMD Athlon II X4 645 |
| 7.5 W | TDP (PL1 / PBP) | 95 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 3 W | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Raspberry Pi 4 B (Broadcom BCM2711) is manufactured in 28 nm and has 1.00 MB cache. The AMD Athlon II X4 645 is manufactured in 45 nm and has a 2.00 MB cache. |
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| Raspberry Pi 4 B (Broadcom BCM2711) | Characteristic | AMD Athlon II X4 645 |
| 28 nm | Technology | 45 nm |
| Monolithic | Chip design | Unknown |
| Armv8-A (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
| -- | Socket | AM3 |
| None | Virtualization | AMD-V |
| No | AES-NI | No |
| Windows 11 (ARM), Linux | Operating systems | Windows 10, Linux |
| 06/2019 | Release date | Q3/2010 |
| 35 $ | Release price | -- |
| show more data | show more data | |
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4C 4T @ 3.10 GHz buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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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.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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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.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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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.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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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.
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Raspberry Pi 4 B (Broadcom BCM2711)
Broadcom VideoCore VI @ 0.50 GHz |
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AMD Athlon II X4 645
@ 0.00 GHz |
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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.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz |
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AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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Devices using this processor |
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| Raspberry Pi 4 B (Broadcom BCM2711) | AMD Athlon II X4 645 |
| Raspberry Pi 4 B | Unknown |
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