CPU comparison with benchmarks
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CPU lineage |
AMD Ryzen 5 7645HX or AMD Ryzen 5 7645HX – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes. The AMD Ryzen 5 7645HX features 6 processor cores and has the capability to manage 12 threads concurrently. It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 5 series. To use the AMD Ryzen 5 7645HX, you'll need a motherboard with a FL1 socket. The AMD Ryzen 7 6800H features 8 processor cores and has the capability to manage 16 threads concurrently. It was released in Q1/2022 and belongs to the 5 generation of the AMD Ryzen 7 series. To use the AMD Ryzen 7 6800H, you'll need a motherboard with a FP7 socket.
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6 |
Generation |
5 |
AMD Ryzen 5 7645HX |
Name |
AMD Ryzen 7 6800H |
AMD Ryzen 5 |
Family |
AMD Ryzen 7 |
Mobile |
Segment |
Mobile |
AMD Ryzen 7045 |
Group |
AMD Ryzen 6000H/7035H |
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CPU Cores and Base Frequency |
The AMD Ryzen 5 7645HX has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 7645HX is 4.0 GHz and turbo frequency for one core is 5.0 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator. The AMD Ryzen 7 6800H has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 6800H is 3.2 GHz and turbo frequency for one core is 4.7 GHz.
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12 |
Threads |
16 |
Yes |
Hyperthreading |
Yes |
None |
None |
3.8 GHz |
4.0 GHz |
Frequency |
3.2 GHz |
6 |
CPU Cores |
8 |
normal |
Core architecture |
normal |
5.0 GHz |
Turbo Frequency (1 core) |
4.7 GHz |
6x Zen 4 |
Cores |
8x Zen 3+ |
Yes |
Overclocking |
No |
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Internal Graphics |
The AMD Ryzen 5 7645HX has integrated graphics, called iGPU for short. Specifically, the AMD Ryzen 5 7645HX uses the AMD Radeon 610M Graphics, which has 128 texture shaders and 2 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. The AMD Ryzen 7 6800H has integrated graphics, called iGPU for short. Specifically, the AMD Ryzen 7 6800H uses the AMD Radeon RX 680M, which has 768 texture shaders and 12 execution units.
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AMD Radeon 610M Graphics |
GPU name |
AMD Radeon RX 680M |
128 |
Shaders |
768 |
6 nm |
Technology |
6 nm |
0.4 GHz |
GPU frequency |
2.0 GHz |
2 |
Execution units |
12 |
2.2 GHz |
GPU (Turbo) |
2.2 GHz |
12 |
Direct X |
12 |
9 |
Generation |
9 |
8.0 GB |
Max. GPU Memory |
8.0 GB |
Q3/2022 |
Release date |
Q1/2022 |
-- |
Max. displays |
-- |
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Artificial Intelligence and Machine Learning |
-- |
AI hardware |
-- |
-- |
AI specifications |
-- |
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Hardware codec support |
A 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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Decode / Encode |
JPEG |
Decode / Encode |
Decode |
AV1 |
Decode |
Decode |
VC-1 |
Decode |
Decode / Encode |
h265 / HEVC (10 bit) |
Decode / Encode |
Decode / Encode |
h265 / HEVC (8 bit) |
Decode / Encode |
Decode / Encode |
h264 |
Decode / Encode |
Decode / Encode |
VP8 |
Decode / Encode |
Decode / Encode |
AVC |
Decode / Encode |
Decode / Encode |
VP9 |
Decode / Encode |
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Memory & PCIe |
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 83.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance. The processor supports a maximum memory capacity of 64.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
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Yes |
AES-NI |
Yes |
Yes |
ECC |
No |
pci |
PCIe |
pci |
DDR5-5200 |
Memory type |
DDR5-4800, LPDDR5-6400 |
2 |
Memory channels |
4 |
128.0 GB |
Max. Memory |
64.0 GB |
83.2 GB/s |
Bandwidth |
76.8 GB/s |
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Thermal Management |
The processor has a thermal design power (TDP) of 55 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself. The processor has a thermal design power (TDP) of 45 W watts.
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100 °C |
Tjunction max |
95 °C |
45 W |
TDP down |
None |
55 W |
TDP (PL1 / PBP) |
45 W |
75 W |
TDP up |
54 W |
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Technical details |
The AMD Ryzen 5 7645HX is manufactured using a 5 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 32.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The AMD Ryzen 7 6800H is manufactured using a 6 nm process. In total, this processor boasts a generous 16.0 MB cache.
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-- |
Release price |
-- |
5 nm |
Technology |
6 nm |
x86-64 (64 bit) |
Instruction set (ISA) |
x86-64 (64 bit) |
Technical data sheet |
Documents |
Technical data sheet |
6.0 MB |
L2-Cache |
4.0 MB |
32.0 MB |
L3-Cache |
16.0 MB |
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512 |
ISA extensions |
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 |
AMD-V, SVM |
Virtualization |
AMD-V, SVM |
100-000000872 |
Part Number |
-- |
Chiplet |
Chip design |
Chiplet |
FL1 |
Socket |
FP7 |
Dragon Range (Zen 4) |
Architecture |
Rembrandt (Zen 3+) |
Q1/2023 |
Release date |
Q1/2022 |
Windows 10, Linux, Windows 11 |
Operating systems |
Windows 10, Linux, Windows 11 |
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