AMD Athlon II X4 645 | AMD Ryzen 7 7700X | |
CPU comparisonAMD Athlon II X4 645 or AMD Ryzen 7 7700X - 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 Athlon II X4 645 has 4 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X4 645 was released in Q3/2010. The AMD Ryzen 7 7700X has 8 cores with 16 threads and clocks with a maximum frequency of 5.40 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 7 7700X was released in Q4/2022. |
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AMD Athlon II (52) | Family | AMD Ryzen 7 (68) |
AMD Athlon II X4 (Propus) (10) | CPU group | AMD Ryzen 7000 (14) |
1 | Generation | 6 |
Propus | Architecture | Raphael (Zen 4) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen 7 5700X |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 645 is a 4 core processor with a clock frequency of 3.10 GHz. The AMD Ryzen 7 7700X has 8 CPU cores with a clock frequency of 4.50 GHz (5.40 GHz). |
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AMD Athlon II X4 645 | Characteristic | AMD Ryzen 7 7700X |
4 | Cores | 8 |
4 | Threads | 16 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
3.10 GHz | Frequency | 4.50 GHz |
-- | Turbo Frequency (1 Core) | 5.40 GHz |
-- | Turbo Frequency (All Cores) | 5.20 GHz |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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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 Athlon II X4 645 supports a maximum of 16 GB of memory in 2 memory channels. The AMD Ryzen 7 7700X can connect up to 128 GB of memory in 2 memory channels. |
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AMD Athlon II X4 645 | Characteristic | AMD Ryzen 7 7700X |
DDR3-1333 | Memory | DDR5-5200 |
16 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 83.2 GB/s |
No | ECC | Yes |
2.00 MB | L2 Cache | 8.00 MB |
-- | L3 Cache | 32.00 MB |
2.0 | PCIe version | 5.0 |
-- | PCIe lanes | 24 |
-- | PCIe Bandwidth | 94.5 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Athlon II X4 645 has a TDP of 95 W, that of the AMD Ryzen 7 7700X is 105 W. |
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AMD Athlon II X4 645 | Characteristic | AMD Ryzen 7 7700X |
95 W | TDP (PL1 / PBP) | 105 W |
-- | TDP (PL2) | 142 W |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 95 °C |
Technical detailsThe AMD Athlon II X4 645 has a 2.00 MB cache, while the AMD Ryzen 7 7700X cache has a total of 40.00 MB. |
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AMD Athlon II X4 645 | Characteristic | AMD Ryzen 7 7700X |
45 nm | Technology | 5 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, 3DNow!, SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
AM3 | Socket | AM5 (LGA 1718) |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q3/2010 | Release date | Q4/2022 |
-- | Release price | 399 $ |
show more data | show more data | |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 4.50 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
@ 0.00 GHz |
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AMD Ryzen 7 7700X
AMD Radeon Graphics (Raphael) @ 2.20 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.40 GHz |
AMD Athlon II X4 645
4C 4T @ 3.10 GHz |
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AMD Ryzen 7 7700X
8C 16T @ 5.20 GHz |
AMD Athlon II X4 645
3.10 GHz |
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AMD Ryzen 7 7700X
20,399 CB R23 MC @ 104 W |
Devices using this processor |
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AMD Athlon II X4 645 | AMD Ryzen 7 7700X |
Unknown | Unknown |